04/13/19

Modeling question
Outside temperature over a day can be modeled as a sinusoidal function. Suppose you know the temperature varies between 78 and 92 degrees during the day and the average daily temperature first... more
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04/13/19

read description long question also in numbers not words please

panchito and johnny live 83 miles apart and travel towards each other, but johnny leaves 15 minutes later if panchito drives at 45 mph and johnny drives at 60 mph how long (in minutes) after johnny... more
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04/08/19

Find a polynomial function that has the given zeros. (There are many correct answers.) 6,4+√7,4-√7
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04/07/19

Find a polynomial function that has the given zeros. (There are many correct answers.) (0,1,3
f(x) =
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04/07/19

PRECALC HELP PLEASEEE
find the 4th roots of 81(cos 160+isin 160)
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04/07/19

How do you convert a shifted parametric circle equation to rectangular form?
x=-2cos((1/2)t-(π/2))+23y=2sin((1/2)t-(π/2))+6specifically, how do you separate the stuff inside the cos/sin parenthesis to eliminate a parameter? I find all kinds of solved simple circle... more
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04/07/19

Raidus of a Circle With Given Information
A chord is 48cm and another chord is 40cm. The 48cm chord is 8cm closer to the center of the circle than the 40cm chord. What is the radius of the circle?
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04/07/19

Applied Optimization-4.6 Calculus
A store rents movies. If the rental fee is $2 ​each, the store knows they can rent 120 movies per week. For each additional​ $1 increase in the rental​ fee, the store loses 12 rentals per week.... more
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04/02/19

On Monday the theater program sold 14 tickets. On Tuesday they sold 10 tickets. That's 32% of the total number of tickets. How many tickets were sold in all?
This is my math homework. I need help.
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04/02/19

The point D(-1, -6) is translated 1 unit right. What are the coordinates of the resulting point, D′?
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04/02/19

Trigonometry question
A Ferris wheel at the Circus has a diameter of 100 feet. The wheel completes a full rotation in 40 minutes at a speed which allows passengers to enter a capsule at the base of the Ferris wheel ... more
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04/02/19

How many five-character code words are there if the first character is always a letter and the other characters are letters and/or digits?
I am pretty sure this has something to do with combination or permutation but I am not sure. please help!
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04/02/19

Kathy and Brian drove a total of 750 miles in 12 hours. Kathy drove the first part of the trip at 65 miles per hour and Brian drove the remaining part of the trip at 55 miles per hour.
This is what you should solve: For what length of time did Kathy and Brian drive?
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04/02/19

A group of 48 senior citizens attended a baseball game. The number of women in attendance was 12 more than the number of men. How many men and women attended the baseball game?
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04/02/19

Panchito has two solutions available in the lab, one with 5% alcohol and another with 13% alcohol. How much of each should he mix together to obtain 6 gallons of a solution that contains 8% alcohol?

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04/02/19

Panchito has two solutions available in the lab, one with 5% alcohol and another with 13% alcohol. How much of each should he mix together to obtain 6 gallons of a solution that contains 8% alcohol?

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04/01/19

An actuary studied the likelihood that different types of drivers have at least one collision during any one-year period. The results of the study appear below.
TypePercentageCollision % teen 13 15 young adult 15 5 middle aged adult 43 2 senior 29 9 Find the probability that a driver with at least one collision in the past year is a middle aged... more
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04/01/19

A drug test is accurate 96% of the time. If the test is given to 1500 people who have not taken drugs, what is the probability that at least 61 will test positive?
A drug test is accurate 96% of the time. If the test is given to 1500 people who have not taken drugs, what is the probability that at least 61 will test positive?
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04/01/19

What is the difference between mathematics and statistics?
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04/01/19

A triangle with vertices A(2, -2), B(-1, -1) and C(0, 2) is reflected across the y-axis and then dilated by a factor of 3 with the origin as the center of dilation. What is the x-coordinate of the A'?
A: -4B: -6C: -2D: 2
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03/31/19

Probability: Escaping Prisoner Question?
**Question**: A prisoner in a dark dungeon discovers three tunnels leading from his cell. Unbeknownst to him, the first tunnel reaches a dead end after 50 feet and the second tunnel reaches a dead... more
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03/28/19

Solve the system of equations using row operations. Write your answer in the form (x, y).
{4y = 2x + 4{-x = -2 - y
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03/28/19

Write a polynomial function of least degree with integral coefficients that has the given zeros. 1/3, 2/5, 0
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03/28/19

Find an equation on the line. Write the equation using function notation

Points (3,1) perpendicular to f(x)=-2+2
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03/28/19

how do i explain to my child how to solve l Squared = 1296 is the same as l=36
other than trial and error - how do you solve for l from that point?
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