Answers
The volume of the toy is 35cm^3. The solution has been obtained using the formula of triangular pyramid.
What is a triangular pyramid?
A triangular pyramid has a triangle-shaped base, and its apex is where the three triangular faces converge. There is a unique type of triangular pyramid called a tetrahedron, which features equilateral triangles on each face. The formula for a triangular pyramid consists of the volume and surface area of the pyramid, which are used to determine the height and slant height as well as the three triangular-shaped sides.
In the given figure, x represents the base(b), y represents the base height(h) and z represents the height(H).
Let's first find the pyramid's base area(B) which is given by;
⇒B = 1/2 * b * h
⇒B = 1/2 * 3 * 7
⇒B = 10.5cm^2
The volume of the toy is given by:
⇒V = 1/3 * B * H
⇒V = 1/3 * 10.5 * 10
⇒V = 35cm^3
Hence, the volume of the toy is 35cm^3.
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Related Questions
K
Given the following sets, find the set (A UBUC)'.
U= {1, 2, 3, ... ,6}
A = {1, 3, 4, 6}
B={1, 2, 3)
C = {2, 3, 4, 5, 6}
Select the correct choice below and, if necessary, fill in the answer box to complete your choice.
OA. (AUBUC)' = {}
(Use a comma to separate answers as needed. Use ascending order.)
B. (A UBUC)' is the empty set.
Answers
Answer:
Step-by-step explanation:
A. (AUBUC)' = {}
B. (A UBUC)' is the empty set.
Both options A and B express that the complement of the union of the sets A, B, and C is the empty set. The complement of a set is the set of all elements that are not in that set. The union of sets is the set of all elements that are in at least one of the sets.
When taking the union of A, B, and C all the elements in U are included, so there is no element that is not in the set, making the complement of the union of A,B,C is an empty set.
What is the answer to this?
The distance across a circle through its center
Answers
The base radius and height of a circular cone are measured as 10cm
and 25cm respectively, with a possible error in measurement of as much as 0.1cm in
each. Using linear approximation, estimate the magnitude of maximum error in the
calculated volume of the cone.
Answers
The maximum error in the volume of the cone is approximately 20π cubic centimeters.
How to determine the magnitude of maximum error in the volume of the cone
In this problem we must estimate the maximum error in the volume of the cone, based on uncertainties in radius and height of a circular cone. The volume formula for a circular cone is:
V = (π / 3) · R² · h
Where:
R - Base radius, in centimeters. h - Height, in centimeters.V - Volume, in cubic centimeters.And the maximum error formula (ΔV), in cubic centimeters, is found by total differentials:
ΔV = (dV / dR) · ΔR + (dV / dh) · Δh
Where:
(dV / dR) - First derivative of function volume respect radius, in square centimeters.(dV / dh) - First derivative of function volume respect height, in square centimeters.ΔR - Maximum uncertainty for radius, in centimeters. Δh - Maximum uncertainty for height, in centimeters.All first derivatives are shown below:
dV / dR = (2π / 3) · R · h
dV / dh = (π / 3) · R²
If we know that R = 10 cm, h = 25 cm, ΔR = 0.1 cm and Δh = 0.1 cm, then the maximum error in volume of circular cylinder is:
dV / dR = (2π / 3) · (10 cm) · (25 cm)
dV / dR = 500π / 3 cm²
dV / dh = (π / 3) · (10 cm)²
dV / dh = 100π / 3 cm²
ΔV = (500π / 3 cm²) · (0.1 cm) + (100π / 3 cm²) · (0.1 cm)
ΔV = 20π cm³
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Need help with question (3)
Answers
Answer:
all
Step-by-step explanation:
all of them
I need help solving answer
Answers
The probability hat 1st winner lives in Guston and the 2nd living in Pikes = 3/25
What is Probability ?The area of mathematics known as probability deals with numerical representations of the likelihood that an event will occur or that a statement is true. An event's probability is a number between 0 and 1, where, broadly speaking, 0 denotes the event's impossibility and 1 denotes certainty.
1. P(E) = [Number of favorable outcomes of E]/[Total number of potential outcomes of E] is the formula for calculating an event's probability.
2. The likelihood of a given occurrence or a sure thing happening is 1.
3. There is no chance that an impossible occurrence will occur.
4. A number P(E) that has the formula 0 P(E) 1) represents the probability of an occurrence E. The probability scale is always positive.
5. If events A and B are two occurrences that can never occur together, then P(AB) = P(A) + P (B).
6. An basic event is one that has just one result. The total likelihood of such outcomes in an experiment is 1, or 1.
7. The probability of an event plus the probability of its complementary occurrence equals one. P(A) + P(A').
Total number of Customers = 10
Customers lives in Guston = 6
Customers living in Pikes = 2
Customers living in Wells = 2
Probability that 1st winner lives in Guston and the 2nd living in Pikes = 6/10 * 2/10 = 3/25
The probability hat 1st winner lives in Guston and the 2nd living in Pikes = 3/25
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A pen in the shape of an isosceles right triangle with legs of length x feet and hypotenuse of length h feet is to be built. If fencing costs $5 per feet for the legs and $10 per feet for the hypotenuse, write the total cost C of construction as a function of h.
Answers
The total cost C of construction as a function of h is:
[tex]C = \frac{10 + 5\sqrt{2}~ h^2}{h}[/tex]
As the pen is in the shape of an isosceles right angle, one of the
angle must be 90 degrees.
Also, the two sides of the triangle are equal and the base angles
are equal.
Here, x represents the length of legs of isosceles right triangle
and h be the length of hypotenuse of isosceles right triangle
Using Pythagoras theorem,
x² + x² = h²
2x² = h²
x² = h² / 2
x = [tex]\sqrt{\frac{h^2}{2} }[/tex]
So, x = [tex]\frac{h}{\sqrt{2} }[/tex]
The fencing costs $5 per feet for the legs and $10 per feet for the hypotenuse.
So, the fencing cost for the legs would be,
= 5 × (2x)
= 10x
= [tex]10\times \frac{h}{\sqrt{2} }[/tex]
= [tex]5\sqrt{2}~ h[/tex]
And the fencing cost for the hypotenuse would be,
= 10/ h
So, the total cost of fencing C would be,
[tex]C = \frac{10}{h} + 5\sqrt{2}~ h\\\\C = \frac{10 + 5\sqrt{2}~ h^2}{h}[/tex]
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1. What’s the percentile of someone who earns $78 thousand dollars ?
2. How did you find the percentile ?
3. What does this value mean in the context of the problem ?
Answers
To find the percentile, we need to calculate what percentage of the data falls below the $78 thousand dollars wage.
What is percentile?
A percentile is a value that separates a data set into 100 equal parts.It represents the value below which a certain percentage of observations in a data set falls.For example, if a person's wage is in the 80th percentile, it means that 80% of the people in the data set earn less than that person, and 20% earn more.Percentiles can be used to summarize and describe the distribution of a set of data.They are often used in statistics and data analysis to compare values and measure the spread of data.
To find the percentile, we sort the data in ascending order and find the percentage of the data that falls below $78 thousand dollars. Here's one way to do this:
69 58 43 43 43 51 57 57 62 68 69 75 76 78 78 80 91 97 102 124 130 135 144 157 185 217
Out of 28 observations, 22 of them are below $78 thousand dollars. So, the percentile for someone who earns $78 thousand dollars is 22/28 * 100 = 78.5714.
In this context, the value of the percentile represents the percentage of the population of full-time employed people who hold at least a Bachelor's degree and earn less than $78 thousand dollars. So, someone who earns $78 thousand dollars is in the 78.5714th percentile of this population.
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report error suppose the ratio of lev's age to mina's age is $1 : 2$ and the ratio of mina's age to naomi's age is $3 : 4$. if the sum of all three ages is between $30$ and $50$, then how old is mina? note: all ages are calculated to the nearest whole year.
Answers
As per the given ratio Mina's age is 12 years old.
Ratio in math is defined as shows how many times one number contains another.
Here we have given ratio information as written as
=> Lev's age : Mina's age = 1 : 2
And the ratio between is written as
=> Mina's age : Naomi's age = 3 : 4
Here we have given the condition that the sum of all three ages is written as,
=> Lev + Mina + Naomi = 30 to 50
Here let us consider Lev's age as L, Mina's age as M and Naomi's age as N
Then the ratio is calculated as,
=> L = 1/2M
=> N = 4/3M
And the sum of all value is written as
=> L + M + N = 30 to 50
When we apply the values on it, then we get,
1/2M + M + 4/3M = 30 to 50
When we simplify it by multiply all by 6, then we get
=> 3M + 6M + 8M = 180 to 300
=> 17M = 180 to 300
Therefore, here we have to find a number between 180 and 300 that divisible by 17 and 6.
So let us consider that that number is 204.
Then the value of M is calculated as,
=> 17M = 204
=> M = 12
Complete question:
Let us consider that suppose the ratio of lev's age to mina's age is 1 : 2 and the ratio of mina's age to Naomi's age is 3 : 4. if the sum of all three ages is between 30 and 50, then how old is mina?
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If y varies inversely as x^2, and y=11/9 when x=9, what is y when x=3
Answers
The value of y is 11/3 when the value of x = 3
What is inverse function?
A function that returns the initial value for which a function has produced output is called an inverse function. If f(x) is a function that produces the value y, then f-1(y), which is the inverse function of y, will produce the value x. Inverse and reciprocal functions should not be confused. The output's original value is returned by the function's inverse, which is represented by the symbol f-1 (x). While the reciprocal of a function is represented by 1/f(x) or f(x)-1
Those that do are referred to as invertible. For a function f: X Y to have an inverse, it must possess the characteristic that there is exactly one x in X such that f(x) = y for every y in Y. This characteristic guarantees the existence of a function g: Y X that has the required connection to f.
If y varies inversely as x^2, and y=11/9 when x=9
when x =3,
y = 11/9 *x²
y = 11/3
Hence, the value of y is 11/3 when the value of x = 3
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Order the correlation coefficients from least to greatest -0.50,0.60, .98,-0.10,0.68
Answers
Answer:
-0.50, -0.10, 0.60, 0.68, 0.98
the graphs of f and g are given. use them to evaluate each limit, if it exists. (if an answer does not exist, enter dne.)
Answers
The limit will be ,lim x→2 [f(x) + g(x)] = 2 + 0 = 2
In Mathematics, a limit is defined as a value that a function approaches the output for the given input values. Limits are important in calculus and mathematical analysis and used to define integrals, derivatives, and continuity. It is used in the analysis process, and it always concerns about the behaviour of the function at a particular point. The limit of a sequence is further generalized in the concept of the limit of a topological net and related to the limit and direct limit in theory category. Generally, the integrals are classified into two types namely, definite and indefinite integrals. For definite integrals, the upper limit and lower limits are defined properly. Whereas in indefinite the integrals are expressed without limits, and it will have an arbitrary constant while integrating the function.
lim x→2 means what is the value of y as x approaches 2 from the left side and the right side - they must be the same value for the limit to exist. "Approaches" is the operative word - it does not have to exist at that y-value, as in example a. lim x→1 [g(x)] = DNE because (left side of 1) lim x→1- [g(x)] = 2 and (right side of 1) lim x→1+ [g(x)] = 1
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A student traveled a distance of 68 miles in 136 minutes. Which graph has a slope that best represents this rate?
Answers
The given circumstance is represented by the linear equation 2y = x, and the graph is included below.
What is a Linear equation?A linear equation is an algebraic equation of the form y=mx+b, where m is the slope and b is the y-intercept, and only a constant and a first-order (linear) term are included. Sometimes, the aforementioned is referred to as a "linear equation of two variables," with y and x serving as the variables.
Given, A student traveled a distance of 68 miles in 136 minutes.
From the general formula of a linear equation:
y = mx + c
where,
m = slope
c = y-intercept
Since At 0 minutes, he started traveling so at 0 minutes total distance he traveled is 0. So the graph will pass through origin.
Thus, the y-intercept will be zero
And Slope of the graph that passes through the origin is always the ratio of the y and x values at any point of the line.
Thu, m = 68/136
m = 1/2
Therefore, a linear equation that represents the given situation is 2y = x, and the graph is attached below.
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Complete question:
What is the length of the missing side?
Answers
The length of missing side is 39.
What is define by Pythagoras theorem?Pythagoras theorem is a mathematical statement that states that in a right triangle, the square of the hypotenuse (the side opposite the right angle) is equal to the sum of the squares of the two other sides (the legs).
It can be expressed as a2 + b2 = c2, where a and b are the two legs of the triangle and c is the hypotenuse. The theorem is named after the ancient Greek mathematician Pythagoras, who is believed to have discovered it.
Pythagoras theorem is an important concept in geometry, and is used to calculate the length of the hypotenuse in a right triangle when the lengths of the other two sides are known.
It can also be used to determine the lengths of the other two sides when the length of the hypotenuse is known. In addition, it can be used to find the angles of a right triangle when the lengths of the sides are known.
Pythagoras theorem has many applications in everyday life. For example, it can be used to calculate the height of a building, or the distance between two points.
It can also be used in carpentry, engineering, and architecture to measure distances and angles. In addition, it can be used in trigonometry to find the values of trigonometric functions.
Finally, it can be used in navigation to calculate distances and angles.
Let c be the length of missing side,
According to Pythagoras theorem,
a² + b² = c²
36² + 15² = c²
c = √1521
c = 39
So, the length of missing side is 39.
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7) +9 –
+16 = N
8) +85 –
+12 = N
9) –6 –
–2 = N
10) +13 –
+12 = N sorry
Answers
Hey there!
Is this all one complex equation or it this representing multiple? Reason I ask is it's a little hard to understand above.
Which of the following charts would be best to justify focusing on a few large problems and ignoring many smaller ones?
Answers
A Pareto diagram assists a team in focusing its efforts on the variables that have the biggest influence by separating the important few from the unimportant many. Additionally, it facilitates the team's ability to explain why specific areas are important.
The following situations call for the use of scatter plots.
In the case of paired numerical data
when more than one value of the dependent variable is associated with a particular value of the independent variable
When determining the relationships between variables, it might be helpful to look for potential problem-solving causes, see if two products that seem connected both have the same root cause, and so on.
A histogram is a graphic depiction of a frequency distribution with continuous classes that has been grouped. A series of rectangles with bases equal to the distances between class boundaries and areas proportional to frequencies in the associated classes make up the area diagram. Since the base in such representations spans the spaces between class boundaries, every rectangle is neighbouring. Rectangle heights are inversely correlated with comparable frequencies for similar classes, and inversely correlated with frequency densities for other class.
A run chart, also known as a run-sequence plot is a graph that displays observed data in a time sequence. Often, the data displayed represent some aspect of the output or performance of a manufacturing or other business process. It is therefore a form of line chart.
The complete question is :-
Which of the following charts would be best to justify focusing on a few large problems and ignoring many smaller ones?
1) run chart (2) pareto diagram
(3) histogram (4) scatter plot
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When given two points and asked to find the equation of the line in slope-intercept form, what are the correct steps? Place a number next to the step to put them in order.
Answers
When given two points and asked to find the equation of the line in slope-intercept form, the correct steps, the correct order is 2 , 1 , 4 , 3.
What is a straight line?A straight line is an endless one-dimensional figure that has no width. It is a combination of endless points joined both sides of a point and has no curve.
here, we have,
Given that,
given two points and asked to find the equation of the line in slope-intercept form.
Find that,
what are the correct steps? Place a number next to the step to put them in order.
Explanation:
to find the equation of the line in slope intercept form form given two points.
step 1 :
find the slope.
step 2
write equation in point slope form
step 3.
pick a point form the given points , substitue it into the point slope form
step 4.
write the equation in slope intercept form by simplifying
Final Answer.
Hence , the correct order is 2 , 1 , 4 , 3.
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A study in the state of Georgia was conducted to determine the percentage of all community college students who have taken at least one online class. 1500 community college students were contacted and asked if they had taken at least one online class during their time at their community college. These responses were then used to estimate the percentage of all community college students who have taken at least one online class. Identify the population of interest in this study.
the response (Yes/No) to the question, "Have you taken at least one online class?"
the 1500 community college students contacted
the number of online classes a student has taken
all community college students in the state of Georgia
Answers
The correct answer is qualitative data, quantitative data.
Qualitative data is a type of data that describes the characteristics or attributes of a phenomenon but does not involve numbers or measurements. It is used to describe or understand the characteristics of a particular group or phenomenon.
This type of data is often used in the social sciences, such as sociology, anthropology, and psychology, but can also be used in other fields such as marketing and advertising.
Qualitative data can be analyzed in different ways, such as content analysis, thematic analysis, discourse analysis, and interpretive analysis.
Quantitative data is a type of data that involves numbers or measurements. It is used to describe or understand the characteristics of a particular group or phenomenon using numerical values or statistics.
This type of data is often used in the natural sciences, such as physics, chemistry, and biology, but can also be used in other fields such as economics, business, and engineering.
Therefore, The correct answer is qualitative data, quantitative data.
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the lengths of two sides XYZ are 23 and 48 inches which could not be the length of the third side
Answers
The length of the side should be 45 inches.
What is Algebra?Algebra is the study of abstract symbols, while logic is the manipulation of all those ideas.
The acronym PEMDAS stands for Parenthesis, Exponent, Multiplication, Division, Addition, and Subtraction. This approach is used to answer the problem correctly and completely.
In triangle XYZ,
As lengths of two sides XYZ are 23 and 48 inches
The range of the third side can be computed when we already know the two sides of the triangle.
If subtracting 48 - 23, the 3rd side would have to be more than 25. Else 3rd side can not be made as two smaller legs will not meet.
and If adding 48 + 23 , the 3rd side would have to be less than 61. Else 3rd side will reach further than the other two sides could reach.
Therefore, the length of side XZ should be greater than 25 and lesser than 61.
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Is g = 100 a solution to the inequality below? g 5 < 12
Answers
Answer:
no solution
Step-by-step explanation:
5(100)<12
500<12 false
has no solution
If Darell is going to take music lessons, then he needs a trumpet. If Darell is not going to take music lessons, then he does not need a trumpet. Is the second conditional the contrapositive, converse, or inverse of the first conditional?
Answers
The statement given is showing a condition for a contrapositive statement.
What are conditional statements?Conditional statements are those statements where a hypothesis is followed by a conclusion.
Given that, If Darell is going to take music lessons, then he needs a trumpet. If Darell is not going to take music lessons, then he does not need a trumpet.
So, this is a structure of, If A then B ⇒ If not A then not B.
Which is a structure for contrapositive conditional statements.
Hence, the statement given is showing a condition for a contrapositive statement.
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(Please help)Beth loves to ride her bike to go to the grocery store and go shopping. The graph below shows Beth
and her distance away from home as she does her shopping.
Choose the correct statement regarding the graph below.
Answers
Between 5:15 pm to 6:30 pm, Beth is decreasing her distance from home. Hence option c is the correct answer.
What is Distance?Distance between two points or objects can sometimes be measured qualitatively and sometimes quantitatively.
In physics, the concept of distance can refer to a physical length or, more commonly, to an approximation based on several other considerations.
The term is frequently used metaphorically to denote a measure of the degree of separation or statistical distance between two similar objects (such as edit distance between strings of text or distance between probability distributions), given that spatial cognition is a rich source of probability metaphors in human thought (as exemplified by distance between people in a social network).
Most of these literal and figurative concepts of distance are defined in terms of a mathematical idea called a metric space.
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1) What are the three most important concepts to remember for the test?
2) What mistake(s) did you make, and what was your misunderstanding?
Submit a pdf for each annotated response template.
Answers
The evaluation of the velocity function, v(t) = cos((π/6)·t) for the interval 0 ≤ t ≤ 12, th obtain the position and acceleration is as follows;
(a) The particle is moving to the left when 3 < t < 9
(b) The total distance is; [tex]\int\limits^6_0 {cos(\frac{\pi}{6}\cdot t) } \, dt[/tex]
(c) a(t) ≈ -0.453
(d) x(4) ≈ -0.346
What is the acceleration of an object?Acceleration is the rate at which the velocity of the object changes.
The function for the velocity of the particle is presented as follows;
v(t) = cos((π/6)·t)
The position of the particle at time, t = 0 is x = -2
(a) When the particle is moving to the left, the velocity is negative
The value of cos(θ) is negative for π/2 < θ < 1.5·π
The range of values of θ = ((π/6)·t), for 0 ≤ t ≤ 2, are;
((π/6) × 0) ≤ θ ≤ ((π/6) × 12), from which we get;
0 ≤ θ ≤ (2·π)
When π/2 = (π/6)·t, we get;
t = (π/2)/(π/6) = 3
When 1.5·π = (π/6)·t, we get;
t = (1.5·π)/(π/6) = 9
The particle is moving to the left between time t = 3 and time t = 9, which can be expressed as follows;
The particle is moving to the left in the interval; 3 < t < 9(b) The total distance traveled by the particle from time t = 0 to time t = 6 is presented using the definite integral as follows;
Distance traveled = [tex]\int\limits^6_0 {cos(\frac{\pi}{6}\cdot t) } \, dt[/tex](c) Acceleration, a, is the rate of change of the velocity, therefore, the acceleration is the derivative of the velocity function, which can be obtained as follows;
[tex]a(t) =\frac{d}{dt} {cos(\frac{\pi}{6}\cdot t) } = -\frac{\pi}{6} \cdot sin(\frac{\pi}{6} \cdot t)[/tex]
[tex]a(t) = -\frac{\pi}{6} \cdot sin(\frac{\pi}{6} \cdot t)[/tex]
At time t = 4, we get;
[tex]a(4) = -\frac{\pi}{6} \cdot sin(\frac{\pi}{6} \times 4) = -\frac{\sqrt{3} \cdot \pi}{12}[/tex]
The acceleration of the particle at time t = 4 is; -(√3)·π/(12) ≈ -0.453(d) The position of the particle at time t = 4, can be obtained by adding the the position of the particle at time t = 4 to the total distance covered between time t = 0 and time t = 4 as follows;
[tex]\int\limits^4_0 {cos(\frac{\pi}{6}\cdot t) } \, dt =[ \frac{6}{\pi}\cdot {sin(\frac{\pi}{6}\cdot t) }]^4_0[/tex]
[tex][ \frac{6}{\pi}\cdot {sin(\frac{\pi}{6}\cdot t) }]^4_0 = [ \frac{6}{\pi}\cdot {sin(\frac{\pi}{6}\times 4) }] - [ \frac{6}{\pi}\cdot {sin(\frac{\pi}{6}\times 0) }]=\frac{3\cdot \sqrt{3} }{\pi}[/tex]
[tex]\int\limits^4_0 {cos(\frac{\pi}{6}\cdot t) } \, dt = \frac{3\cdot \sqrt{3} }{\pi}[/tex]
The position of the particle at t = 4 is therefore;
[tex]x = -2 + \frac{3\cdot \sqrt{3} }{\pi} \approx -0.346[/tex]Learn more about definite integrals here: https://brainly.com/question/8388817
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a survey was conducted of 130 purchasers of new bmw 3 series cars, 130 purchasers of new bmw 5 series cars, and 130 purchasers of new bmw 7 series cars. in it, people were asked the age they were when they purchased their car. the following box plots display the results. which group is most likely to have an outlier?
Answers
a) The bigger the value, each box plot is spread out. The ages of the top 50% of customers are more varied than 50% of lower consumers. Hence, each plot is slanted to the right.
b) The BMW 3 series is likely to have an outlier. It has the longest whisker.
c) When comparing median age, younger people are likely to purchase the BMW 3 series and while older people are more likely to purchase the BMW 7 series. However, because each data set is so dissimilar, this is not a rule.
d) The spread is the smallest in the second quarter of the box. The difference between the first quartile and the median seems to be barely three years.
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The complete question is:
A survey was conducted of 130 purchasers of new BMW 3 series cars, 130 purchasers of new BMW 5 series cars, and 130 purchasers of new BMW 7 series cars. In it, people were asked the age they were when they purchased their car. The following box plots display the results.
a. In complete sentences, describe what the shape of each box plot implies about the distribution of the data collected for that car series.
b. Which group is most likely to have an outlier? Explain how you determined that.
c. Compare the three box plots. What do they imply about the age of purchasing a BMW from the series when compared to each other?
d. Look at the BMW 5 series. Which quarter has the smallest spread of data? What is the spread?
im completely lost on this
Answers
The domain is: a = -4, and b = 1 and the y = mx + b rule that makes the left (red) piece of the graph is given by y = -0.5x - 2.
What is domain and range?The range of values that can be plugged into a function is known as its domain. In a function like f, this set represents the x values (x).
The collection of values that a function can take on is known as its range. The values that the function outputs when we enter an x value are in this set. They are the values for y.
The domain of the left (red) graph is determined using the x-coordinates of the line. The x-coordinates give the input of the function of the graph, which forms the domain.
The domain is:
a = -4, and
b = 1
Hence, the domain of the function of the graph is: -4 < x <1.
The y = mx + b is the equation of the linear function where, m is the slope and b is the point where the line intersects the y-axis.
The value of m - slope is given by:
m = (y2 - y1) / (x2 - x1)
m = (-2.5 - 0) / (1 - (-4))
m = -2.5/ 5
m = - 0.5
The value of b from the graph is:
b= -2
Substituting the values of m and b in the equation we have:
y = mx + b
y = -0.5x - 2
Hence, the y = mx + b rule that makes the left (red) piece of the graph is given by y = -0.5x - 2.
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The eight grade class is planning a trip to Washington, D.C. this spring. They need a minimum of 75 people to attend in order to reserve busses. If 1/3 of the 8th grade class plus 17 parent chaperones have signed up and this is enough to satisfy the requirement, how many students must be in the 8th grade class. You will need to set up an inequality and solve the inequality
Answers
174 number of students must be in the 8th grade class.
What is Inequality?A relationship between two expressions or values that are not equal to each other is called 'inequality.
Given that The eight grade class is planning a trip to Washington, D.C. this spring.
They need a minimum of 75 people to attend in order to reserve busses.
1/3 of the 8th grade class plus 17 parent chaperones have signed up and this is enough to satisfy the requirement,
We need to find the number of students must be in the 8th grade class
1/3x+17≤75
Subtract 17 on both sides
1/3x≤58
x≤174
Hence, 174 number of students must be in the 8th grade class.
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Solve for value of e (3e-7) 101
Answers
Answer:
E = 36
Step-by-step explanation:
1. Add 7 to both sides of the equation
3e - 7 = 101
+7 +7
------------------
3e = 108
2. Isolate the variable e by dividing by 3 on both sides
[tex]\frac{3e}{3} = \frac{108}{3}[/tex]
3. Simipfy the equation
[tex]e = 36[/tex]
the quotient of -100 and twice 10 is equal to -5. what is the equation
Answers
The equation that represents the quotient of -100 and twice 10 equal to -5 is; -100 ÷ 2(10) = -5
How to solve algebra expressions?The quotient of an algebraic operation is defined as a result that is obtained by dividing one quantity by another.
We are told that the quotient of -100 and twice 10 is equal to -5. Thus, we can express the given expression as;
-100 ÷ 2(10) = -5
This is because quotient means answer that is produced from dividing 2 numbers and since the product is a whole number and not a proper fraction, then it means that the larger number will be the numerator while the smaller number will be the denominator.
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I need help with this question please
Answers
The probability that the mean height of a random sample of 56 ten-year-old males will be greater than 53 inches is approximately 0.9991, or 99.91% when rounded to three decimal places.
What is the central limit theorem?
The central limit theorem, which states that the sample means of large samples (n > 30) from a population with any distribution approaches a normal distribution with a mean equal to the population mean and a standard deviation equal to the population standard deviation divided by the square root of the sample size.
We can solve this problem by using the central limit theorem,
In this case, the sample size is n = 56, which is larger than 30, so we can assume that the sample means are normally distributed. The mean of the sample means is equal to the population mean, which is 55.5 inches, and the standard deviation of the sample means is equal to the population standard deviation divided by the square root of the sample size:
standard deviation = 6 / √(56) = 0.801
To find the probability that the mean height of the sample will be greater than 53 inches, we can standardize the sample mean using the standard deviation calculated above:
z = (sample mean - population mean) / (standard deviation)
= (53 - 55.5) / 0.801
= -3.12
Using a standard normal distribution table or calculator, we can find the probability that a standard normal random variable is greater than -3.12:
P(Z > -3.12) = 0.9991 (rounded to four decimal places)
Therefore, the probability that the mean height of a random sample of 56 ten-year-old males will be greater than 53 inches is approximately 0.9991, or 99.91% when rounded to three decimal places.
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Diya earned a 36 out of a possible 80 on a test. Her teacher offered extra credit that would allow Diya to double her score. What score could she earn if she completes the extra credit?
Answers
57.6%
QUESTION:
Diya earned a 36 out of a possible 80 on a test. Her teacher offered extra credit that would allow Diya to double her score. What score could she earn if she completes the extra credit?
Inez finds that the area of this
figure is 9 square units. Draw unit squares to
cover this figure.
Answers
The unit square that covers the figure is attached
What is unit square?The quantity of unit squares necessary to completely cover a shape is its area.
Consequently, area is represented and measured in square units.
The attached figure shows the 9 squares that makes up the figure
Each side has 3 squares and hence
= 3 squares * 3 squares
= 9 squares
The image is attached
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