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2 years ago

12

A swimmer is looking for a fish, he dives down below 14

1 answer:

tensa zangetsu [6.8K]2 years ago

4 0

Answer:

-5 feet below

Step-by-step explanation:

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A hot air balloon descends 215 feet each minute. How far will it descend in 11 minutes

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Answer:

2365 ft.

Step-by-step explanation:

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2 years ago

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A square has an area of 81x square cm. What is the perimeter of the square ?

Fudgin [204]

Answer:

The perimeter of the square is $36\sqrt{x}\ cm$

Step-by-step explanation:

step 1

Find the length side of the square

we know that

The area of a square is equal to

$A=b^{2}$

where

b is the length side of the square

we have

$A=81x\ cm^{2}$

substitute and solve for b

$81x=b^{2}$

square root both sides

$b=9\sqrt{x}\ cm$

step 2

Find the perimeter of the square

we know that

The perimeter of the square is equal to

$P=4b$

we have

$b=9\sqrt{x}\ cm$

substitute

$P=(4)9\sqrt{x}$

$P=36\sqrt{x}\ cm$

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3 years ago

What is the slope of y = -1+ 3.x?

zysi [14]

Answer:

The slope is 3.

Step-by-step explanation:

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y=3x-1

y=mx+b where m=slope and b=y-intercept

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3 years ago

Rearrange 3x - 6y = -2 to the form y=mx + c

wel

3x - 6y = -2

-6y = -3x - 2, divide through by -1

6y = 3x + 2, divide through by 6

y = 3x/6 + 2/6

y = x/2 + 1/3

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3 years ago

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Step-by-step explanation:

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