Answer:
B
because if yiy multiple all those you get somewhere around 390 and then you round the number it is 390
If I bought a computer for $420. It had been reduced by 25%.
What was the original price of the computer before the reduction?
(If I could get an answer asap that would be great!)
Answer:
$560
Step-by-step explanation:
if 25% is the discount than the total of the item after the discount is .75x. So to find the original total we need the equation 420=.75x
first we need to isolate x so we divide both sides by .75, doing this will give us 560= x
to check our answer you need to multiply 560 by .75 (which I got by subtracting the discount, .25, from 1) which gives us our discounted total of $420
generally, all stakeholders agree that there is a problem and on what the problem is before beginning the dmaic process. state of true of false.1. true2. false
The given statement about the stake holders of DMAIC is false.
The term DMAIC stands for Define, Measure, Analyze, Improve, and Control and it represents the five phases that make the process,
Here we have given that generally, all stakeholders agree that there is a problem and on what the problem is before beginning the DMAIC process.
And we need to check whether the statement is true or not.
Here we know that in DMAIC process we have to follow the following steps they are listed as,
=> Define the problem
=> Improve activity
=> To determine opportunities for improvement
=> Identify the project goals
=> To analyze project goals and customer requirements.
Hence through this we have identified that the main purpose of DMAIC is to improve the effectiveness and efficiency of an organization's existing processes.
And here we have also know that DMAIC is a core data-driven improvement methodology of Six Sigma.
So, here the given statement is false.
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A model of Seattle, Washington space Needle is 20 inches tall The actual Space Needle is approximately 600 feet tall
what is the scale factor
The scale factor of a model is, 30 feet in a inch.
What is Division method?Division method is used to distributing a group of things into equal parts. Division is just opposite of multiplications. For example, dividing 20 by 2 means splitting 20 into 2 equal groups of 10.
We have to given that;
A model of Seattle, Washington space Needle is 20 inches tall The actual Space Needle is approximately 600 feet tall.
Hence, The scale factor of a model is,
⇒ 600 feet / 20 inches
⇒ 30 feet per inches
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Question content area left
Part 1
Find the measure of one interior angle in the regular polygon.
Question content area right
Part 1
The measure of each interior angle is
enter your response here
(Type an integer. )
The measure of one interior angle in the regular polygon is 180° degrees.
Polygon:
A polygon is a shape that is made of straight line segments that are connected to each other.
The polygons are named according to their properties and the number of sides they have which have a minimum of three sides.
A polygon cannot have curved sides they are all straight line segments and can measure each side equal to one other.
The formula to find the interior angles of a regular polygon is required.
The required formula is [tex]\frac{(n-2)*180}{n}[/tex]
where n = Number of sides of the polygon.
given to measure one interior angle n=1
Substitute the n value in the above formula, and we get
[tex]A=\frac{(2-1)*180}{1}[/tex]
A=180°
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A red balloon costs $0.80. How much do 9 red balloons cost?
If a red balloon costs $0.80, then 9 red balloons costs would be $7.20.
What is an algebraic manipulation?
Algebraic manipulation is the process of rearranging mathematical expressions in order to solve equations or to make them easier to understand. It involves the use of mathematical operations and properties such as addition, subtraction, multiplication, division, and the commutative, associative, and distributive properties.
To find out how much 9 red balloons cost, you need to multiply the cost of one red balloon by the number of red balloons.
So 9 red balloons cost $0.80 * 9 = $7.20
Hence, If a red balloon costs $0.80, then 9 red balloon costs would be $7.20.
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Solve using substitution. Y=1 -3x+4y=-20
Answer: We can start by solving for one variable in one of the equations and then substituting that value into the other equation.
Solve for y in the first equation: y = 1 - 3x
Substitute this value of y into the second equation: 4(1 - 3x) + 4x = -20
Solve for x: -4x = -24
x = 6
Substitute this value of x into the first equation to find the value of y: y = 1 - 3(6) = -17
So the solution is x = 6 and y = -17.
Step-by-step explanation:
suppose that someone made a graph of sat scores from 100 randomly selected students from the state of florida. standardized test scores like those for the sat are derived from the students' raw scores (number of questions answered correctly) and adjusted for slight differences in difficulties between versions. what shape would you expect the histogram of this data to be?
The shape of the histogram is expected to be symmetric.
A histogram is a graphical representation of the distribution of a dataset. It is an estimate of the probability distribution of a continuous variable. The histogram is plotted with bin ranges on the x-axis and the frequency (count) of data points that fall within each bin on the y-axis.
The shape of the histogram can give you a sense of the underlying distribution of the data, such as whether it is symmetric or skewed.
Standardized test scores, like the SAT, are typically designed to have a normal distribution, meaning that the majority of scores fall in the middle range, with fewer scores at the extremely high or low ends.
Additionally, because the data is being collected from a large and diverse population of students from one state, it is unlikely that there would be a significant skew in one direction or another.
However, some factors such as socioeconomic status, family background, school district, and student ethnicity may affect the distribution.
Therefore, The shape of the histogram is expected to be symmetric.
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HELP ASAP!!!
Which relation is not a function?
The correct option is C. ((6, 5), (3,2), (2, 4), (6, 3), (1, 0))
Reason: This relation has two y-values of 6 which violates the vertical line test and therefore is not a function.
What is relation of function?A relation of a function is a set of ordered pairs that satisfy the function's equation. A function is a special type of relation, one in which each input has exactly one output. For example, the function y = x + 2 defines a relation of pairs such as (1,3), (2,4), and (3,5). The relation of a function is also known as its graph. The graph of a function is a visual representation of the relationship between the input and output values. It is a common way to visualize functions and can help to identify patterns and trends. The set of all possible input and output values, as determined by the equation, is called the relation of the function.The relation of a function is useful in understanding the behavior of the function. For example, from the graph of a function, one can determine the domain and range of the function, as well as any maximum or minimum points. Furthermore, the graph of a function can help to identify any symmetries or properties of the function.To learn more about relation of function refer to:
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Given that 3.5y = 1.4x, determine the ratio of
x:y in simplest form.
The ratio of x:y in simplest form is 5 : 2
How to determine the ratio of x:y in simplest form.From the question, we have the following parameters that can be used in our computation:
3.5y = 1.4x
Divide both sides of the equation by 1.4
So, we have
3.5y/1.4 = x
Divide both sides of the equation by y
So, we have
3.5/1.4 = x/y
Express as ratio
x : y = 3.5 : 1.4
Divide by 0.7
x : y = 5 : 2
Hence, the ratio is 5 : 2
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45% as a fraction or a mixed number in simplest form
Answer:
[tex]\frac{9}{20}[/tex]
Step-by-step explanation:
45% = [tex]\frac{45}{100}[/tex]
[tex]\frac{45}{100}[/tex] ÷ [tex]\frac{5}{5}[/tex] = [tex]\frac{9}{20}[/tex]
Answer:45%=9/20 I hope this helps
Step-by-step explanation:
45%
By definition p%=p/100 which something like this
45/100
then you Cancel out the common factor 5
45/100 cancel these numbers out by 5
Then you will get your answer which is something like this
9/20
So 45%=9/20 as a fraction
solve for side h with the given side and angle
Answer: 33.93 in
Step-by-step explanation:
we can see it is a right angle there. h is oppsite line of the right triangle and 70in is Hypotenuse. So, we can use the formula sin29 = h/70. Then sin29*70=h. h=33.93 in.
Point d is the center of the inscribed circle of abc. which step can you use to draw the inscribed circle of abc? a. draw arcs of equal lengths intersecting , , and in two points each. b. draw the perpendicular bisectors of , , and that pass through point d. c. label a point e on and draw a line joining e with d. d. draw a line through d that is perpendicular to one of the sides, , , or . e. draw one arc each on and , and find their point of intersection.
The step that can be used to draw an Inscribed Circle of A ABC is to draw the perpendicular bisectors of AB, BC, and AC that pass through point D
Inscribed Circle is a circle that touches each of the three sides of the triangle at exactly one point. Inscribed Circle is the largest circle that can be made in a triangle. The center of the Inscribed Circle is also the center of the triangle, that is, the point where the angle bisectors of the triangle meet.
Steps to draw an Inscribed Circle:
a. construct an angle bisector of each vertex (<ABC, <BAC, <ACB) of the triangle to determine the center of the triangle.
b. draw a line perpendicular to one side of the triangle that passes through its center.
c. draw an Inscribed Circle that passes through the point where the sides of the triangle intersect and the perpendicular from above.
As in the question, it was stated that the center of the Inscribed Circle is point D, so the step that can be used to draw an Inscribed Circle of A ABC is to draw the perpendicular bisectors of AB, BC, and AC that pass through point D
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Please only give answers
The y-intercept of the line 11x + 10y = 2 is equal to 1/5.
What is the slope-intercept form?In Mathematics, the slope-intercept form of a line can be calculated by using this linear equation:
y = mx + c
Where:
x and y represents the data points.m represents the slope of a line.c represents the y-intercept of a line.Based on the information provided about the line, it is represented by this equation;
11x + 10y = 2
By making "y" the subject of formula in the above equation, we have the following:
10y = -11x + 2
By dividing both sides of the equation by 10, we have the following:
y = -11x/10 + 2/10
y = -11x/10 + 1/5.
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Cann Electronics has all of their electronics on sale for 20% off. If a computer originally cost $1,050, what is the new price?
Answer: $840
If it's 20% off, it's 80% of it's original price.
80% = 0.8
$1,050 x 0.8 = $840
Write the slope-intercept form of the equation of the line through the given points.
7) through: (0, -4) and (2, 0)
If the hypotenuse of a 30°-60°-90° triangle is 8 cm, what is the measure of the longer leg of the triangle?
The measure of the longer leg of the triangle is given as follows:
6.93 cm.
What are the trigonometric ratios?The three trigonometric ratios are defined as follows:
Sine of angle = length of opposite side divided by the length of the hypotenuse.Cosine of angle = length of adjacent side divided by the length of the hypotenuse.Tangent of angle = length of opposite side divided by the length of the opposite side.The longer leg is opposite to the angle of 60º, hence the sine relation is used to find the length, as follows:
sin(60º) = x/8
x = 8 x sine of 60 degrees
x = 6.93 cm.
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Given a real number x and a positive integer k, determine the number of multiplications used to find k x 2 starting with x and successively squaring (to find x2 , x4 , and so on). Is this a more efficient way to find k x 2 than by multiplying x by itself the appropriate number of times?
The use of x^2^k is a more efficient way to multiplying than starting with x and successively squaring.
according to question,
real number = x
positive integer = k
x^2^k
Starting with x and squaring to find x², x⁴, xⁿ
The efficient way of multiplying is
x^2^k
where, k = 1, 2, 3, 4,.....…
check:
when k = 1
x^2^1
= x²
when k = 2
x^2^2
= x⁴
when k = 3
x^2^3
= x^2*2*2
= x^8
Therefore,
x^2^k
is a more efficient way to multiplying.
Integer
An integer is a number with no decimal or fractional part and it includes negative and positive numbers, including zero.
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For the translation below, give the vertices of ABC
A' = (-1, 3)
B' = (-4, 0)
C' = (1, 6)
=======================================================
Reason:
The notation [tex]T_{ < -3, 5 > }[/tex] means "translate 3 units left, 5 units up".
Another way to write out this rule is [tex](\text{x},\text{y}) \to (\text{x}-3,\text{y}+5)[/tex]
-------------------
Let's apply that rule to the coordinates of point A.
[tex](\text{x},\text{y}) \to (\text{x}-3,\text{y}+5)\\\\(2,-2) \to (2-3,-2+5)\\\\(2,-2) \to (-1,3)\\\\[/tex]
Point A' is located at (-1, 3)
-------------------
Repeat for the coordinates of point B.
[tex](\text{x},\text{y})\to(\text{x}-3,\text{y}+5)\\\\(-1,-5)\to(-1-3,-5+5)\\\\(-1,-5)\to(-4,0)\\\\[/tex]
Point B' is located at (-4, 0)
-------------------
Lastly do the same for point C.
[tex](\text{x},\text{y})\to(\text{x}-3,\text{y}+5)\\\\(4,1)\to(4-3,1+5)\\\\(4,1)\to(1,6)\\\\[/tex]
Point C' is located at (1, 6)
The coldest temperature recorded in a city in Texas was −22.3°F. The coldest temperature recorded at Vostok Station in Antarctica was 4 times as cold. What equation can be used to represent the coldest temperature recorded at Vostok Station in °F?
The equation to represent the coldest temperature recorded at Vostok Station in °F is 4*(−22.3)°F = 89.2°F.
The solution is obtained by using the arithmetic operations.
What are arithmetic operations?
In mathematics, mainly there are four basic operations upon which all the calculations are done. The operations are:
1. Addition(‘+’) wherein the sum of the numbers is obtained.
2. Subtraction(‘-’) wherein the difference of the numbers is obtained.
3. Multiplication(‘×’) wherein the product of the numbers is obtained.
4. Division(‘÷’) wherein the quotient of the numbers is obtained.
We are given that the coldest temperature recorded in a city in Texas was −22.3°F and the coldest temperature recorded at Vostok Station in Antarctica was 4 times as cold.
This means that the coldest temperature recorded at Vostok Station in Antarctica was
4*(−22.3)°F = 89.2°F
Hence, the equation to represent the coldest temperature recorded at Vostok Station in °F is 4*(−22.3)°F = 89.2°F.
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Copy the figure and point P . Draw the image of the figure for a 180 rotation about P. Use prime notation to label the vertices of the image.
The solution is Option B.
The rotation of the line JK around the point P by 180° will be J'K'
What is Rotation?The measure of the amount a figure is rotated about the center of rotation is called the angle of rotation. The angle of rotation is usually measured in degrees. We specify the degree measure and direction of a rotation.
90° clockwise rotation: (x,y) becomes (y,-x)
90° counterclockwise rotation: (x,y) becomes (-y,x)
180° clockwise and counterclockwise rotation: (x, y) becomes (-x,-y)
270° clockwise rotation: (x,y) becomes (-y,x)
270° counterclockwise rotation: (x,y) becomes (y,-x)
Given data ,
Let the rotation angle be represented as A
Now , the value of A is 180°
Let the points be represented as J and K
Let the rotated point be represented as J'K'
And , when a point is rotated by and angle 180° , the x and y coordinates of the point will become their additive inverse
For a 180° clockwise and counterclockwise rotation: (x, y) becomes (-x,-y)
And , the figure which represents the coordinates of the point J' and K' is when K' is below and J' is above
Hence , the solution is Option B.
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A bicycle that is worth $500, decreases in value v by 7. 8% per year t. Set up a function to model this situation. Use the model to show how much the bike will be worth after 5 years
If a bicycle is of worth $500 and decreases in value by 7.8% per year , then the function to model this situation is P(n) = 500(0.922)ⁿ and the value of bicycle after 5 years is $333.14 .
The price of bicycle is = $500 ;
the percent decrease in the value per year is = 7.8% = 0.078 ;
let number of years be = "n" years ;
So , the Price of bicycle after "n" years is written as :
⇒ P(n) = 500(1 - 0.078)ⁿ ;
⇒ P(n) = 500(0.922)ⁿ ;
to find the value of bike after 5 years , we substitute n = 5 ;
⇒ P(5) = 500(0.922)⁵ ;
⇒ P(5) = 500 × 0.66627
⇒ P(5) = 333.138334052816
⇒P(5) ≈ $333.14
Therefore , the value of bike after 5 years is $333.14 .
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Please help meeee !,,,
Answer:
0.02
Step-by-step explanation:
hope it helped
Answer:
0.0266666667 or 0.02
Step-by-step explanation:
Samantha stores all of her important paperwork in the file cabinet shown below.
A locker measurement at the bottom as 2 one by 6 ft 2, side as 1 and a half ft, and length as 2 2 by 3 ft.
*Picture not drawn to scale
What is the volume of the file cabinet?
The volume of the cabinet where Samantha stores all her important documents would be given as = 7.2 ft
What is a cabinet?A cabinet is defined as an equipment usually located in offices or laboratory which is used for the storage of documents that are of high importance to an organisation.
The shape of the cabinet is the shape of a cube and the volume of a cube is the product of all the sides given
That is = 2⅙ × 1¼ × 2⅔ ( change to single fraction)
= 13/6 × 5/4 × 8/3
= 520/72
= 7.2 ft
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HELP I CANT FIGURE THIS OUT. Which math expression means "the difference of 150 and 99"?
• A. 150 • 99
• B. 150 - 99
O C. 150 - 99
• D. 150 + 99
Answer: C 150-99
Step-by-step explanation:
Your mother is very fond of collecting rare philodendron (an ornamental and
indoor plant). If she has a garden which measures 100 m2 (10 m by 10 m)
and each philodendron will occupy an estimated area of 0. 6 by 0. 6 m of the
garden, what is the maximum number of philodendron plants that will occupy
the whole area?
help me please
The maximum number of philodendron plants that will occupy the whole area is 256.
The term area in math is defined as the region bounded by the shape of an object
Here we have given that your mother is very fond of collecting rare philodendron and here we have know that If she has a garden which measures 100 m² and each philodendron will occupy an estimated area of 0. 6 x 0. 6 m of the garden.
Here we have to 10 meters divided by 0.6 of a meter gives 16 philodendrons in one direction and the same number in the other direction.
Then the maximum number of plants is calculated as,
=> 16 x 16 = 256
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Answer Choices:
A: y=2x+4
B:
A cube shaped fish tank holds 10 ft.³ of water. How much gravel is needed to cover the floor of the tank to a depth of 1 inch
The amount of gravel needed to cover the floor of the cube shaped tank to a depth of 1 inch is 0.38 ft^3.
What is volume?The area that any three-dimensional solid occupies is known as its volume. These solids can take the form of a cube, cuboid, cone, cylinder, or sphere. Various forms have various volumes.
Given that the fish tank is a cube that holds 10 ft^3 of water.
The volume of the cube is given by:
V = a³
Substituting the value of 10 in V we have:
a³ = 10
a = 2.15
Now, to gravel at the bottom of the tank will have the following dimensions as height will be 1 inch.
1 inch = 0.083
V = (a)(a)(a)
V = (2.15) (2.15) (0.083)
V = 0.38 ft^3
Hence, the amount of gravel needed to cover the floor of the tank to a depth of 1 inch is 0.38 ft^3.
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HURRY PLEASE A fifth-degree polynomial function has a zero at z = -3 with a multiplicity of 2. It also has a zero at z = 2 with a multiplicity of 3. The value of the
function is negative when z = -4
Which graph could model this polynomial function?
The graph of the polynomial function is given by the following option:
Not C or D.
How to obtain the graph of the polynomial function?At z = -3, the function has a zero with an even multiplicity of 2, meaning that the graph of the function turns at z = -3, due to the even multiplicity.
At z = 2, the function has a zero with an odd multiplicity of 3, meaning that the graph of the function crosses the x-axis at z = 2, due to the odd multiplicity.
At z= -4, the function is negative, hence it becomes positive at z = 2 and goes towards infinity.
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please help with this question;)
Answer:
6931.73
Step-by-step explanation:
π =3
cone base diameter = 6 so r=3
it's given height is 11
so use formula given V = π/3*3²*11 =99
sphere r =3
so use formula given V = 4/3*π*3³ = 4*81 = 324
total 99+324 =423 cubic INCHES!!!
1" = 2.54 cm
so you'll have to multiply 2.54³ to covert it to
cubic CMS = 6931.73 cubic CMS
an unfair/biased die is considered as an even number is twice as likely to occur as an odd number, phenomena is called
The probability of an even number is twice as likely to occur as an odd number is 2/9 and 1/9 respectively.
Probability in math term is defined as a number that reflects the chance or likelihood that a particular event will occur.
Here we have given that an unfair/biased die is considered as an even number is twice as likely to occur as an odd number.
And here we need to find the probability of the event.
Here let us consider that probability of getting an even number = x and let probability of getting odd number = y
Then it can be written as
=> 3x+3y=1
Here we write it as because probability of getting even number or odd number = 1 since those two are the only possibilities.
Then we have to apply the value of x=2y (given)
Now, we have to solve these two, then we get,
=> x=2/9 and y=1/9
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