10/07/19

How many formulas are there for slope?
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10/07/19

When 16 is subtracted from a number, the result is 14 more than 11 times the number. What's the number?
Homework question, and I needed help.
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10/07/19

Solve the quadratic equation. List your solutions. Simply if necessary. x^2−6x+9=−8
I couldn't solve this, please help!
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10/06/19

Writing an equation that models exponential growth or decay
In 2000, a forest covered an area of 1500km^2. Since then this area has decreased by 5.25% each year. Let t be the number of years since 2000. Let y be the area that the forest covers in km^2.... more
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10/06/19

linear and nonlinear inequalities

wrote an equation in slope intercept form for the line that passes through (0,1) and is perpendicular to the line whos equation is y=2x
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10/06/19

Given 2x + 3y = 8 and 4x – Ky = 12, find the value for K so that 6. the lines will be parallel 7. the lines will be perpendicular

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10/06/19

what is the difference i length between a 1 1/4 inch button and a 3/8 inch button ?
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10/06/19

After 1 hour, a vehicle traveled 44 miles, after 4 hours, it traveled 152 miles.
If they maintain the same average rate of change, which is 36 miles an hour, how many hours will it take to go 487 miles? How would I find this?
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10/06/19

After 1 hour, a vehicle traveled 44 miles, after 4 hours, it traveled 152 miles.
If they maintain the same average rate of change, which is 36 miles an hour, how many hours will it take to go 487 miles? How would I find this?
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Expert Answers •5

10/06/19

After 1 hour, a vehicle traveled 44 miles, after 4 hours, it traveled 152 miles.
If they maintain the same average rate of change, which is 36 miles an hour, how many hours will it take to go 487 miles? How would I find this?
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10/06/19

Two complementary angles are in the ratio of 4:5. Find the measure of the smaller angle.
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10/06/19

The measures of two supplementary angles are in the ratio of 7:2. Find the measure of the larger angle.
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10/06/19

how would i solve y= -3x -13 and 9x-2y = -4 by substitution?

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10/06/19

What is a function of time
Jane has 40 wind up toys in her collection, she plans to buy 7 every month to increase the number in her collection. Write a formula for the number of toys,T, in her collection as a function of... more
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10/06/19

Find the doubling time for a city whose population is growing by 17% per year

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10/06/19

given that r varies directly as the square of d, and r=48 when d=4, what is the value of r when d=20?
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10/06/19

A scientist has two solution
A scientist has two solutions, which she has labeled Solution A and Solution B. Each contains salt. She knows that Solution A is 60% salt and Solution B is 85% salt. She wants to obtain 130 ounces... more
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10/06/19

Amy has $10 less than Sarah. Sarah has x dollars. Amy wants to buy new clothes, but only has enough money to buy sweater that cost $40. She does not have enough money to buy an $85 jacket.
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10/05/19

Find an equation of the circle and sketch it: e Center on line x–y = 6, tangent to both axes
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10/05/19

Need help with this word problem
The top running speed of a cheetah is twice the top running speed of a Jackal. The top running speed of an Elk is 10mph faster than of a Jackal. If each of these animals could run for an hour... more
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10/04/19

Find the equation of the line that passes through (-3,5) and (4,2).

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10/04/19

If an object is dropped from a height of 200 feet, the function h(t) = -16t^2 + 200 gives the height of the object after t seconds. Approximately, when will the object hit the ground?
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10/04/19

The local sports stadium is 10 miles from the hotel. If a car is traveling 40 mph, then how long will it take for the car to reach the sports stadium? *
The local sports stadium is 10 miles from the hotel. If a car is traveling 40 mph, then how long will it take for the car to reach the sports stadium? *
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10/04/19

PQ=6x+25 and QR=16-3x; Find PR.
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10/04/19

Determine if the two given lines are parallel. Explain. -8x-y=-7 and y=8x+10
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