03/25/22

PLEASE help with statistical probability questions!
In a math class with 19 students, a test was given the same day that an assignment was due. There were 11 students who passed the test and 14 students who completed the assignment. There were 3... more
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03/25/22

In March, a family starts saving for a vacation they are planning for the end of August. The family expects the vacation to cost $1544.

In March, a family starts saving for a vacation they are planning for the end of August. The family expects the vacation to cost $1544. They start with $125 at the start of each month they plan to... more
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03/24/22

please help with these maht statistical probabilty questions
Plays an instrument Does not play an instrument Plays a sport 5 2 Does not play a sport 4 12 In a class of students, the following data table summarizes how many students play an instrument... more
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03/24/22

How many gallons of water and how many gallons of the premium antifreeze solution must be mixed?

A chemical company mixes pure water with their premium antifreeze solution to create an inexpensive antifreeze mixture. The premium antifreeze solution contains 90% pure antifreeze. The... more
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03/24/22

Polygon ABCDE is reflected to produce polygon A′B′C′D′E′. What is the equation for the line of reflection?
A. y = 0B. x = 0C. x = 2 D. y = 1
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03/23/22

If you need $30,000 four years from now, what is the minimum amount of money you need to deposit into a bank account that pays 3% annual interest, compounded (give your answers to the nearest cent):
 If you need $30,000 four years from now, what is the minimum amount of money you need to deposit into a bank account that pays 3% annual interest, compounded (give your answers to the nearest... more
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03/22/22

In an arithmetic sequence with a1=-24 and d=8​, which term is ​32?
In an arithmetic sequence with a1=-24 and d=8​, which term is ​32?
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03/22/22

Mean Value Theorem and Average Slope help?
Let 𝑓(𝑥)=2𝑥2+5𝑥−81) Find the average slope of the function 𝑓 on the interval [−1,1]2) Verify the Mean Value Theorem by finding a number 𝑐 in (−1,1) such that 𝑓′(𝑐)=𝑚I got 3 for the average slope is... more
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03/22/22

Formative Test Prep

Nola is an electrician. She charges her customers $85 and $35 for each hour of labor. While doing work for a local business, the total charges for the work was $226. Which equation could be used to... more
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03/22/22

Formative Test prep

A cell phone company calculate gordon's monthly bill using the equation 0.10(x-500)+30=50, where x represents the number of text messages above 500 text messages. The total amount of the bill was... more
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03/22/22

how to find the first and second derivatives of

x2(4X+1)4f'(x)= f''(x)=
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03/22/22

Find an equation for the tangent line of 𝑦=𝑒^4𝑥 that is parallel to the linear equation 𝑦=5𝑥+15.

Provide your answer in slope–intercept form of a linear equation, 𝑦=𝑚𝑥+𝑏, where 𝑚 is the slope and 𝑏 is the 𝑦- intercept. Express 𝑚 and 𝑏 as exact numbers.
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03/22/22

Third-degree, with zeros of −3, −2, and 1, and passes through the point (2,6)
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03/22/22

Arithmetic reasoning lawnmowers

Suppose mark can mow the entire lawn in 47 minutes, and marks dad can mow the entire lawn in 53 minutes. If mark and his dad work together ( each mower) , how long will it take them to mow the... more
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03/21/22

Which of the statements are true?
If cos(θ) = 1/2, then which of the following statements must be true? Choose all that apply.1.) cos(-θ)=1/22.) sin(pi/2 -θ)= 1/23.) sec(θ) = 24.) tan^2(θ) =3
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03/21/22

Simplify and write the trigonometric expression in terms of sine and cosine: 
Simplify and write the trigonometric expression in terms of sine and cosine: sinx + cotx cosx=1/ f(x) 
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03/21/22

Simplify and write the trigonometric expression in terms of sine and cosine
Simplify and write the trigonometric expression in terms of sine and cosine:tan x csc x=1/f(x)find f(x)
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03/21/22

Find the answer

If sinx=−3/5,x in quadrant III, thensin2x=   ?cos2x=   ?tan2x=? 
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03/21/22

Find all solutions of the equation
Find all solutions of the equation tan5 x−9tanx=0.The answer is Akπ where k is any integer,the constant A = ?
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03/20/22

Consider a pizzeria that sell pizzas for a revenue of R(X)=ax and costs C(X)=b+cx+dx^2,where x represents the number of pizzas.
Assume that R(x) = 16x and C(x) = 2x + x2. How many pizzas sold maximizes the profit?
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03/20/22

Set up and evaluate the optimization problems. (Enter your answers as comma-separated lists.)
Find two positive integers such that their sum is 12, and the sum of their squares is minimized.________________Find two positive integers such that their sum is 12, and the sum of their squares is... more
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03/20/22

Set up and evaluate the optimization problem.

You are constructing a cardboard box from a piece of cardboard with the dimensions 2 m by 4 m. You then cut equal-size squares from each corner so you may fold the edges. What are the dimensions... more
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03/20/22

Set up and evaluate the optimization problem.
To carry a suitcase on an airplane, the length + width + height of the box must be less than or equal to 74 in. Assuming the height is fixed, verify that the maximum volume is V = h(37-(1/2)h)^2.... more
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03/20/22

Solve for y...?
Solve for y:x = 7yx + y + z = 802x - y + z = 105(A) - 7(B) 15(C) - 175 / 13(D) 35(E) none of these
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03/20/22

Finding the solution
Solve: - 5x^2 + 5 = - 2x The solution contains a reduced fraction ± another reduced fraction with a radical numerator. What is this fraction with a radical numerator?(A) ± 2 √6 i / 5(B) ± 2 √26 /... more
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