03/12/22
Can the double-angle formula change a positive cosine to a negative result?
Find sin 2(u), cos 2(u), and tan 2(u) given the coordinate point (2, -5). Why is my answer resulting in a negative value for cos 2(u)?
03/12/22
What's the answer?? Please help
A bike shop owner rents out bikes and scooters. The cost to rent a bike is $16 plus $9 per hour for each hour the bike is rented. The cost to rent a scooter is $30 plus $4 per hour for each hour...
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03/12/22
Plssssssss helppppppp
A balloon rises at a rate of 10 feet per second from a point on the ground 100 feet from an observer.A.) Find the distance from the observer to the balloon when the balloon is 50 feet off the...
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03/11/22
Calculate the expected rate of return for the investment described
You play a gambling game with your friend in which you win 70% of the time and lose 30% of the time. When you lose, you lose $1. What profit should you earn when you win in order for the game to be...
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03/11/22
can someone answer this question
the length of a rectangle is the sum of the width and 3. the area of the rectangle is 54. would a linear, quadratic or exponential function be the best type of equation to model this...
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03/11/22
I need help bad
The quotient of two numbers is 5, and their sum is 12. What are the two numbers?
How do I find the value of a letter in algebra? if it doesn't come with the result.
For example, my math problem comes like:a + 4b - 3cHow do I solve this? How do I know what the letters' value is? It's so confusing, and I can't get any help online or so, and it's not possible for...
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03/11/22
The length of a rectangle is five times greater than the width, w. What is the ratio of the area of the rectangle to the perimeter of the rectangle in simplest form?
The length of a rectangle is five times greater than the width, w. What is the ratio of the area of the rectangle to the perimeter of the rectangle in simplest form?
A rectangular poster has an...
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03/11/22
Joanna earns $12 per hour at her job. Last week, Joanna earned a total of $432.
she gets 12$ per hour but last week she earned a total of 432$
03/11/22
MATH PROBABILITY
According to the Department of Education 80% of students take a mathematics course while in college. Suppose 5 recent college students are selected at random. What is the probability at least one...
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Consider the following function.
Find the critical numbers of f. (Enter your answers as a comma-separated list.)f(x) = (5 − x)(x + 1)2X=
03/11/22
calculusssssssss
A 14-foot ladder is leaning against a wall. If the top of the ladder slips down the wall at a rate of 2 ft/s., how fast will the end be moving away from the wall when the top is 6 ft. above the...
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03/11/22
calculusssssssss
A 14-foot ladder is leaning against a wall. If the top of the ladder slips down the wall at a rate of 2 ft/s., how fast will the end be moving away from the wall when the top is 6 ft. above the...
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03/11/22
Find the speed of each train if they are 270 miles apart 3 hours after the second train leaves chicago
Two trains leave Chicago, Illinois, traveling in the same direction along parallel tracks. The first train leaves 3 hours before the second, and its speed is 15 miles per hour faster than the...
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03/11/22
How do we calculate the triangle?
How do we calculate the triangle? is that 1/2x5x4 or I am wrong?
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