3 years ago

Insert parentheses to make each statement true

1 answer:

7 0

For the first one you would insert the parantheses next to 2x6. For the second one you would do it in 3x2 and you did the third one right.

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One of the parking lot lights at a hospital has a motion detector on it, and the equation (x+10)2+(y−8)2=16 describes the bounda

Pani-rosa [81]

We are given an equation:
$(x+10)^{2} + (y-8)^{2} = 16$

This is an equation of a circle. General form of a circle equation is:
$(x-a)^{2} + (y-b)^{2} = r^{2}$
Where:
a = x coordinate of a center
b = y coordinate of a center
r = radius of a circle

Motion detector can detect person anywhere within a boundary. The greatest distance at which detector can detect is at the edge of a circle. That distance, between detector and edge of circle, is equal to radius.

From the equation we have:
$r^{2} =16 \\ r=4$
The greatest distance at which person can be detected is 4ft.

7 0

3 years ago

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For every $20 that Danika saves, her grandmother gives her $30. If Danika saves $150, how much money will her grandmother give h

Colt1911 [192]

The answer is 225 dollars because you divide 150/20=7.5 then multiply 7.5(30) and you get 225

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2 years ago

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Insert a digit to make the number divisible by 24 if possible:<br> 44_8<br> pls help

Nat2105 [25]

Answer: