The equation to model the fish population y in a fishery with a linear growth rate of 40 new fish each season and an initial population of 1250 fish can be written as:
y = 40x + 1250What is the equation about?The equation to model the fish population y in a fishery with a linear growth rate of 40 new fish each season and an initial population of 1250 fish can be written as:
y = 40x + 1250
where x is the number of seasons.
To find out how many seasons it will take for the population to reach 1690 fish, we can substitute y = 1690 into the equation and solve for x:
1690 = 40x + 1250
440 = 40x
x = 11
So it will take 11 seasons for the population to reach 1690 fish.
For the second fish population that grows by 60 new fish each season with an initial population of 1100 fish, the equation to model the population can be written as:
y = 60x + 1100
To find out after how many seasons they will have the same population, we can set the two equations equal to each other and solve for x:
40x + 1250 = 60x + 1100
20x = 150
x = 7.5
So it will take 7.5 seasons for the two populations to have the same population.
To graph the equations, we can plot points on the coordinate plane using values of x and y. For the first equation, we can plot the points (0, 1250) and (11, 1690). For the second equation, we can plot the points (0, 1100) and (7.5, 1500). Then we can connect the points with a straight line for each equation. The resulting graph will show how the populations of the two fish populations change over time.(Note: In the question, A season is not defined and as such, we assume it to be one year for simplicity.)
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It is observed that 3 out of every 5 drills made at an oil-drilling site strike oil. The results from 50-simulation trials of the model showed 1 out of 5 drills
are guaranteed to strike oil. What is the hypothesis, and based on the results from the simulation trials, what should be concluded about the
hypothesis?
A. The hypothesis is that at least 1 out of 5 drills will strike oil. Based on the results from the simulation trials, the hypothesis should be rejected.
B. The hypothesis is that at least 1 out of 5 drills will strike oil. Based on the results from the simulation trials, it can be concluded that the hypothesis is
correct.
C. The hypothesis is that at least 3 out of 5 drills will strike oil. Based on the results from the simulation trials, the hypothesis should be rejected.
D. The hypothesis is that at least 3 out of 5 drills will strike oil. Based on the results from the simulation trials, it can be concluded that the hypothesis is
correct.
The hypothesis is that at least 1 out of 5 drills will strike oil. Based on the results from the simulation trials, the hypothesis should be rejected.
4.4 ×10 with the power of 3=
After answering the presented question, we can conclude that The answer for the following expression will be as follows [tex]4.4 X 10^3 = 4400[/tex]
what is expression ?In mathematics, you can double, divide, add, or subtract something. The following is an expression: Expression, numerical value, and math operator A mathematical expression is made up of numbers, parameters, and functions. Opposing sentences and expressions are possible. An expression, often known as an algebraic expression, is any mathematical statement that contains variables, numbers, and a mathematical action between them. For example, the phrase 4m + 5 is made up of the phrases 4m and 5, as well as the variable m from the above equation, which are all separated by the mathematical sign +.
The answer for the following expression will be as follows
[tex]4.4 X 10^3 = 4400[/tex]
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Identify the discriminant value of the quadratic equation m² + 18m + 17 = 0.
Answer:
Step-by-step explanation:
The discriminant value (denoted by Δ) of a quadratic equation in the form of ax² + bx + c = 0 is given by the expression b² - 4ac.
For the quadratic equation m² + 18m + 17 = 0, a = 1, b = 18, and c = 17. Substituting these values into the expression for the discriminant, we get:
Δ = b² - 4ac
Δ = (18)² - 4(1)(17)
Δ = 324 - 68
Δ = 256
Therefore, the discriminant value of the quadratic equation m² + 18m + 17 = 0 is 256.
What are the x- and y-intercepts of f(x) - 3x - 4?
The x- and y-intercepts as required to be determined in the task content are; (-4/3, 0) and (0, -4).
Which points represent the x- and y-intercepts of the function?As evident in the task content; the given function is; f(x) = - 3x - 4.
The x-intercept represents the value of x when f(x) = 0.
0 = -3x - 4
3x = -4
x = -4 / 3.
The y-intercept represents the value of f(0); hence, we have that;
f (x) = -3(0) - 4
f(0) = -4.
Ultimately, the points which correctly represents the x- and y-intercepts are; (-4/3, 0) and (0, -4).
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6 of 8
? Work out the area of the shaded shape.
5m
3m
T
6m
2m
2m
HELP ASAP WILL GIVE 100 POINTS AND BRAINLYEST IF YOU DON"T ANSWER WITH THE INTENT TO ANSWER CORRECTLY I WILL REPORT YOU
Two step equations that equal 23
You are conducting a study testing whether depression symptoms are lower after participating in therapy compared to before. Given this information, complete the hypotheses in symbols:
H o: [tex]\mu_{post[/tex] - [tex]\mu_{pre[/tex] = 0 This is the null hypothesis, which states that there is no difference in the mean depression symptoms before and after therapy.
What is hypothesis?A hypothesis is a proposed explanation for a phenomenon. It is a testable statement about the relationship between two or more variables that can be used to generate further investigation and research. Hypotheses are developed from research questions and provide a basis for predicting outcomes and testing theories. Hypotheses are not guesses or hunches; rather, they are educated statements that are backed up by evidence.
Ha: [tex]\mu_{post[/tex] - [tex]\mu_{pre[/tex] ≠ 0 This is the alternative hypothesis, which states that there is a difference in the mean depression symptoms before and after therapy.
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Please answer this for me quick i have another one
The value of the fraction x/y is 3/25 and option b is the correct answer.
What are fractions?An expression for a portion of a whole is a fraction. In general, the whole can be any particular object or value, and the fraction might be a piece of any quantity out of it.
The top and bottom numbers of a fraction are explained by the fundamentals of fractions. The bottom number reflects the entire number of components, while the top number represents the number of chosen or coloured portions of the whole.
The given equation is:
5x + y / y = 8/5
Divide the terms individually at the left side of the equation:
5x/y + y/y = 8/5
5 (x/y) + 1 = 8/5
5 (x/y) = 8/5 - 1
5 (x/y) = 3/5
x/y = 3/25
Hence, the value of the fraction x/y is 3/25 and option b is the correct answer.
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PLEASE HELP!!!
Aidan is 5.5 ft tall and casts a shadow that is 9 ft long. He notices that a nearby tower casts a shadow that is 305 ft long.
What is the height of the tower (h)?
The height of the tower (h) is approximately 186.4 feet.
What is the height (h) of the tower?A ratio is simply the relation between two amounts showing how many times a value is contained within another value.
Given the data in the quesion;
Aidan's height = 5.5ftlength of Aidan's shadow = 9ft height of the tower = ?length of the tower's shadow = 305ftWe can set up a proportion to solve for the height of the tower:
Aidan's height / length of Aidan's shadow = height of the tower / length of the tower's shadow
Plugging in the values we know, we get:
5.5 / 9 = h / 305
To solve for h, we can cross-multiply and simplify:
9h = 5.5 × 305
9h = 1667.5
h = 1667.5 / 9
h = 186.4 ft
Therefore, the value of h is 186.4 feet.
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2. Big Money Bank has an offer for new customers: if you deposit
$5,000 in a savings account, you will earn 6.5% simple interest
over the first 10 years.
C. At the town savings bank a new customer earns $2950 in simple interest on a $5000 deposit over the first 10 years what rate of interest does that bank pay
Answer:
We can use the simple interest formula to find the rate of interest that the town savings bank pays:
Simple Interest = Principal x Rate x Time
where Principal is the initial deposit, Rate is the interest rate, and Time is the time period.
We know that the Principal is $5000, the Simple Interest earned over the first 10 years is $2950, and the Time is 10 years. Substituting these values into the formula, we get:
$2950 = $5000 x Rate x 10
Simplifying the equation, we get:
Rate = $2950 / ($5000 x 10)
Rate = 0.059 or 5.9%
Therefore, the town savings bank pays an interest rate of 5.9% on its savings accounts.
Confidence intervals are constructed to estimate the population parameter (like the mean) a specified proportion of the time. The upper and lower interval estimates are often described as the
The upper and lower interval estimate are often describe as associated with a specific level of confidence.
What is Interval Estimate?In statistics, interval estimate is the process of determining the interval, or range of values, within which a parameter—such as the mean (average) of a population—is most likely to fall.
The interval encompassing a population parameter is determined by computing the statistic from values obtained from a random sample chosen from the population and by using the understanding (derived from probability theory) of how accurately sample properties reflect those of the full population.
The possibility that the estimated confidence interval estimate will include the genuine population parameter is frequently referred to as the confidence level.
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What is the surface area of the rectangular prism below?
Answer:
72 cm^2
Step-by-step explanation:
2(3 x 2) + 2(6 x 3) + 2(6 x 2) = 2(6) + 2(18) + 2(12)
= 12 + 36 + 24 = 72 cm^2
HELP!!
show you're work please...
The height of the trapezoid with an area of 21 square centimeters is equal to 3 cm.
How to evaluate for the height of the trapezoidarea of a trapezoid is calculated using the formula: 1/2 × (A + B) × height where A is and B are the parallel bases.
we shall represent the height of the trapezoid with the letter h so that:
21 cm² = 1/2 × (5 + 9) cm × h
21 cm² = 1/2 × 14 cm × h
21 cm² = 7 cm × h
divide through by 7 cm
h = 21 cm²/7 cm
h = 3 cm
Therefore, the height of the trapezoid with an area of 21 square centimeters is equal to 3 cm.
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In Accounting if the balance in the Allowance for Doubtful accounts account is $2,000, and im adding $500 to the Allowance for doubtful Accounts account and im ONLY DOING A GENERAL JOURNAL ENTRY does the previous Allowance for doubtfull accounts come in play at all?
Answer: The journal entry to record the addition of $500 to the Allowance for Doubtful Accounts account would be:
Debit Allowance for Doubtful Accounts account: $500
Credit Bad Debt Expense account: $500
The resulting balance in the Allowance for Doubtful Accounts account would be $2,500.
Step-by-step explanation:
Yes, the previous balance in the Allowance for Doubtful Accounts account does come into play when you add $500 to the account. The Allowance for Doubtful Accounts account is a contra asset account that is used to offset the Accounts Receivable account. It represents an estimate of the amount of accounts receivable that are expected to be uncollectible.
The balance in the Allowance for Doubtful Accounts account is based on the estimated amount of uncollectible accounts, which is typically a percentage of the total accounts receivable balance. When you add $500 to the account, you are increasing the estimated amount of uncollectible accounts.
To record this journal entry, you would debit the Allowance for Doubtful Accounts account for $500 and credit an expense account (such as Bad Debt Expense) for the same amount. The previous balance of $2,000 would also be included in the account balance and would be reflected in the new balance of $2,500.
The journal entry to record the addition of $500 to the Allowance for Doubtful Accounts account would be:
Debit Allowance for Doubtful Accounts account: $500
Credit Bad Debt Expense account: $500
The resulting balance in the Allowance for Doubtful Accounts account would be $2,500.
The figure consists of a right triangle and an eighth of a circle. Find the area of the shaded region. 22/7 for pie.
The area of the shaded region of the composite shape is: 21.03 cm²
How to find the area of the shaded region?The formula for the area of a triangle is:
Area = ¹/₂ * base * height
Thus:
Area of given triangle = ¹/₂ * 14 * 14 = 98 cm²
Area of sector is given by the formula:
θ/360 * πr²
Area of sector = 45/360 * π * 14 * 14
= 76.97 cm²
Thus:
Area of shaded portion = 98 cm² - 76.97 cm² = 21.03 cm²
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A ball that is thrown upward follows the path h(t)=-t^2+8t+32, where h(t) represents the height of the ball above the ground at time t, and t represents the time since the ball was thrown. How high above the ground did the ball reach? show work
Answer:
Step-by-step explanation:
To find the maximum height of the ball, we need to find the vertex of the parabolic function h(t) = -t^2 + 8t + 32. The vertex represents the highest point of the parabolic curve.
The x-coordinate of the vertex is given by the formula x = -b/2a, where a and b are the coefficients of the quadratic equation. In this case, a = -1 and b = 8, so we have:
x = -b/2a = -8/(2(-1)) = 4
Therefore, the vertex occurs at time t = 4.
To find the y-coordinate of the vertex, we evaluate the function at t = 4:
h(4) = -4^2 + 8(4) + 32 = 16 + 32 = 48
Therefore, the ball reaches a maximum height of 48 feet above the ground.
I WILL GIVE BRANLIST ONLYNOF YOUR RIGHT
Determine the scale factor used to create the image
A 1/2
B 2
C 1/4
D 4
Answer:
Step-by-step explanation:
b
Will mark brainliest answer!
What's the best place to eat at? (Restaruant, Fast Food, Buffet, Cafe, etc.)
Answer:
Step-by-step explanation:
Me personally, I think buffets are the best because you can take as music food as you much, without being charged for much! But thats only for some buffets. If you go to a chinese buffet, they might lower the price allowing you to get as much food as you please!
Gwen owes a total of $4,522.50 on revolving credit accounts that have total limits of $7,950.00. Calculate the amount she needs to pay on her debt to reduce her revolving credit accounts to reach a 25% debt-to-credit ratio.
The amount that she needs to pay on her debt to reach a 25% debt-to-credit ratio is given as follows:
$2,535.
How to obtain the amount that she needs to pay?The amount that she needs to pay on her debt reach a 25% debt-to-credit ratio is obtained applying the proportions in the context of the problem.
She has a credit limit of $7,950.00, hence 25% of her credit limit is obtained as follows:
0.25 x 7950 = $1987.5.
She current has $4,522.50 on debts, hence the amount that she needs to pay for the debts to be reduced to $1987.5 is given as follows:
4522.5 - 1987.5 = $2,535.
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Suppose a recent government report indicates that 6% of the labor force is Asian. Of the individuals in the labor force who are Asian, 5% are unemployed. Among the individuals in the labor force who are not Asian, 6% are unemployed. Let be the event that a randomly selected member of the labor force is Asian and let be the event that a randomly selected member of the labor force is unemployed. Determine (∣) , the probability that a randomly selected member of the labor force is Asian given that he or she is unemployed. Express your answer as a percentage with no decimal places.
Answer:
The probability that a randomly selected member of the labor force is Asian given that he or she is unemployed is 4.98%
Step-by-step explanation:
We want to find the probability that a randomly selected member of the labor force is Asian given that he or she is unemployed, which can be written as P(A|U). Using Bayes' theorem, we have:
P(A|U) = P(U|A) * P(A) / P(U)
We are given P(A) = 0.06 (6% of the labor force is Asian), P(U|A) = 0.05 (among Asians in the labor force, 5% are unemployed), and P(U|not A) = 0.06 (among non-Asians in the labor force, 6% are unemployed).
To find P(U), we can use the law of total probability:
P(U) = P(U|A) * P(A) + P(U|not A) * P(not A)
We know P(A) = 0.06, so P(not A) = 1 - P(A) = 0.94.
Therefore,
P(U) = 0.05 * 0.06 + 0.06 * 0.94 = 0.0602
Now we can substitute all the values into Bayes' theorem:
P(A|U) = 0.05 * 0.06 / 0.0602 = 0.0498
So the probability that a randomly selected member of the labor force is Asian given that he or she is unemployed is 4.98% (rounded to the nearest percentage with no decimal places).
Consider the following function.
p(x)=2−29x
Step 1 of 2 : Find the slope and the y-intercept. Express the intercept as an ordered pair. Simplify your answer.
The slope of the function is -29 and the y-intercept is the point (0, 2).
What is function ?
In mathematics, a function is a relation between a set of inputs and a set of possible outputs with the property that each input is related to exactly one output. It is a rule that assigns to each element of a set (called the domain) exactly one element of another set (called the range).
To find the slope and y-intercept of the function p(x) = 2 - 29x, we can write it in the slope-intercept form, y = mx + b, where m is the slope and b is the y-intercept.
So, by comparing p(x) = 2 - 29x with y = mx + b, we can see that:
m = -29 (the coefficient of x)
b = 2 (the constant term)
Therefore, the slope of the function is -29 and the y-intercept is the point (0, 2).
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how to complete borrowings in a cash budget
How do I find the lengths of sides that are cut by an altitude? (right triangle, the sides that the arrows are pointing at)
The length of line JC is 20 miles.
What is Pythagorean theorem?
The Pythagorean theorem is a fundamental concept in geometry that states that in a right triangle, the square of the length of the hypotenuse is equal to the sum of the squares of sides of triangle.
To find the length of line JC, which is the hypotenuse of the right triangle JSC, we can use the Pythagorean theorem, which states that in a right triangle, the sum of the squares of the two shorter sides (the legs) is equal to the square of the length of the longest side (the hypotenuse).
In this case, we have:
JS² + SC² = JC²
Substituting the given values, we get:
12² + 16² = JC²
144 + 256 = JC²
400 = JC²
Taking square root both sides, we get:
JC = √400
JC = 20
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Please help will get max points + brainliest!
Answer:
a) Area of inner square = 58 cm²
b) Area of inner square = (2x² - 2xy + y²) cm²
Step-by-step explanation:
To calculate the area of a square, multiply the length of one of its sides by itself. This can be expressed as A = s², where A is the area and s is the side length of the square.
To calculate the area of a triangle, halve the product of its base and height. This can be expressed as A = (1/2)bh, where A is the area, b is the base and h is the height of the triangle.
The easiest way to calculate the area of the inner square is to subtract the areas of the 4 congruent triangles from the area of the outer square.
[tex]\hrulefill[/tex]
Part a)The outer square has a side length of 10 cm. Therefore its area is:
[tex]\implies \sf A_{outer\;square} = 10^2 = 100 \; cm^2[/tex]
Each corner triangle has a height of 3 cm and a length of (10 - 3) cm.
Therefore, the area of one triangle is:
[tex]\implies \sf A_{triangle}=\dfrac{1}{2} \cdot 7 \cdot 3=10.5\;cm^2[/tex]
Therefore, the area of the inner square is:
[tex]\begin{aligned} \implies \sf Area\;of\;inner\;square&=\sf 100-(4 \cdot 10.5)\\&=\sf 100-42\\&=\sf 58\; cm^2\end{aligned}[/tex]
[tex]\hrulefill[/tex]
Part b)The outer square has a side length of y cm. Therefore its area is:
[tex]\implies \textsf{A$_{\sf outer\;square}$} = y^2 \; \sf cm^2[/tex]
Each corner triangle has a height of x cm and a length of (y - x) cm.
Therefore, the area of one triangle is:
[tex]\begin{aligned}\implies \sf A_{triangle}&=\dfrac{1}{2} \cdot (y-x) \cdot x\\\\&=\dfrac{1}{2}x(y-x)\;\sf cm^2\end{aligned}[/tex]
Therefore, the area of the inner square is:
[tex]\begin{aligned} \implies \sf Area\;of\;inner\;square&=y^2-4\left(\dfrac{1}{2}x(y-x)\right)\\\\&=y^2-2x(y-x)\\\\&=y^2-2xy+2x^2\\\\&=(2x^2-2xy+y^2)\; \sf cm^2\end{aligned}[/tex]
Solve the system
y=2x-2
y=2x+9
Answer:
y=2 x=-13
Step-by-step explanation:
The graph below shows line A and point P.
The linear equation on the graph can be written as:
y = (3/4)*x - 1
How to write the linear equation?Here we have the graph of a linear equation, these are written as:
y = mx + c
Where m is the slope and c is the y-intercept.
On the graph we can see that the line intercepts the y-axis at y = -1, then we can write:
c = -1
So the linear equation is:
y = mx - 1
Looking at the graph we can see that the line also passes through the point (4, 2).
Replacing that in the linear equation we will get:
2 = m*4 - 1
2 + 1 = m*4
3 = m*4
3/4 = m
Then the linear equation on the graph is:
y = (3/4)*x - 1
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Please Help ASAP - 100 pts + Brainliest if the answer is correct!
Answer:
a. aₙ=(aₙ₋₁ x 0.98) + 1150
What is the answer of this p³+10+m-m if m=8 and p=3 equal
Given:-
p=3m=8Solution:-
p³+10+m-m
put the value of p nd m in eqⁿ :
( 3 )³ + 10 + 8 - 827 + 10 + 8 - 827 + 1037━━━━━━━━━━━
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The value of expression at m = 8 and p = 3 is,
⇒ 37
What is an expression?Mathematical expression is defined as the collection of the numbers variables and functions by using operations like addition, subtraction, multiplication, and division.
We have to given that;
The expression is,
⇒ p³ + 10 + m - m
Now,
Put m = 8 and p = 3 in above expression, we get;
⇒ p³ + 10 + m - m
⇒ 3³ + 10 + 8 - 8
⇒ 27 + 10
⇒ 37
Thus, The value of expression at m = 8 and p = 3 is,
⇒ 37
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Which is the following not true?