05/04/22
john can finish the job in 5 hours. Steve can finish the same job in 4 hours. How many hours do they need to finish the jobs if they work together?
beginning algebra
05/04/22
Calculate the area enclosed by this arch.
An arch is to be constructed 16 meters high and 4 meters across at the base. The shape of the arch is given by the function f(x)=16-x^4Calculate the area enclosed by this arch.
05/04/22
Calculate how high the rocket will go before it begins to fall.
A rocket is launched straight up into the sky. When it runs out of fuel it is 425 ft above the ground and traveling at a velocity of 75 feet per second. At that instant it begins to act as an...
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05/04/22
How fast is the area growing after three days of spreading?
An oil spill in the gulf of Mexico is spreading out in a circular shape. The radius is spreading at 5 miles per day. How fast is the area growing after three days of spreading?
05/04/22
A ball is dropped...
Two identical rubber balls are dropped from different heights. Ball 1 is dropped from a height of 16 feet, and ball 2 is dropped from a height of 64 feet. Write and graph a function for the height...
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05/04/22
He got 51 problems correct and 49 problems incorrect. What percentage did Brennan get correct?
05/04/22
How long it will take to double an investment if rate of return is 10% compounded monthly?
How long it will take to double an investment if rate of return is 10% compounded monthly?
05/04/22
Find the Principal Value of an Investment
An investment sum up to $10,000 in 6 months, which pays 5% compounded semi-annually. What is the principal value?
05/04/22
Let f (a function on an interval)
Let f be a function such that f(4) = –1 and f(6) = 1. Which of the following statements must be true?I. f has a root on the interval [4, 6].II. f has an absolute maximum on the interval [4,...
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Write the compound inequality as an absolute value inequality.
Write the compound inequality as an absolute value inequality.1.7≤h≤1.9
Suppose the stadium takes in $1,448,500 from each sold-out event. How many seats does each section hold?
A stadium has 55,000 seats. Seats sell for $35 in Section A, $20 in Section B, and $15 in Section C. The number of seats in Section A equals the total number of seats in Sections B and C....
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05/04/22
A ball is projected into the air. Its height at time, t, is given by the equation: h = -16t2 + 50t + 2. When will the height be 6 feet the first time?
the answers are: A. 0.5 secB. 3.125 secC. 0.08 secD. 6.2 sec
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