3 years ago

Which of the following are perfect squares? Check all that apply.

Mathematics

1 answer:

Doss [256]3 years ago

3 0

Answer:

The answers are A, B and D

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You are riding a roller coaster when a shoe falls off your foot. The function y=300−16t2 represents the height y (in feet) of th

Juli2301 [7.4K]

Answer:

Time to land on 11ft is 4.25 seconds

Step-by-step explanation:

Given

$y = 300 - 16t^2$

Required

Solve for t when height is 11ft

This implies that $y = 11$

So: substitute 11 for y in $y = 300 - 16t^2$

$11 = 300 - 16t^2$

Collect Like Terms

$16t^2 = 300 - 11$

$16t^2 = 289$

Express both sides as squares

$4^2 * t^2 = 17^2$

$(4t)^2 = 17^2$

Take square roots of both sides (ignore negative)

$4t = 17$

Solve for t

$t = \frac{17}{4}$

$t = 4.25$

Hence, time to land on 11ft is 4.25 seconds

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3 years ago

Convert the improper fraction 35/8 into a mixed number

kondor19780726 [428]

35/8 = (4 * 8 = 32) and 3 left over so answer is 4 3/8

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3 years ago

Laurie throws a tennis ball toward her dog from a height of 4.5 ft. The initial vertical velocity of the ball is 18 ft/s. At the

kap26 [50]

Which system models the height of the tennis ball and the height of the dog's mouth over time?

Answer: D

What does the t-coordinate of the solution h = -16t2 + 18t + 4.5 and h = -16t2 + 21t + 1.5 to this system represent?

Answer: C

Your Welcome :)

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3 years ago

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What is 2x-6 = 3x+1-X-7 and you have to regroup/ divide by number next to x?

Elena L [17]

Answer:

infinite solutions

Step-by-step explanation:

2x-6 = 3x+1-X-7

Combine like terms

2x-6 = 3x-x +1-7

2x-6 = 2x -6

subtract 2x from each side

-6 = -6

Since this is a true statement, x can be any real number

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3 years ago

You spend $25 on a meal including tax and want to leave a tip that is 20% of the $25. What is the total cost, with the tip?

Tems11 [23]

You mulitply 25 by .2 to get 5 and you add that to 25 to get $30

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4 years ago

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