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Setler79 [48]
2 years ago
10

Cory makes a map of his favorite park, using a coordinate system with units of yards. The old oak tree is at position (3, 7) and

the granite boulder is at position (-2, 6). How far apart are the old oak tree and the granite boulder? Round to the nearest tenth if necessary
Mathematics
1 answer:
Zinaida [17]2 years ago
6 0

Step-by-step explanation:

.....................

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Solve for the value of r. (8r+6)° (9r-7)​
lukranit [14]

Answer:

r = 13

Step-by-step explanation:

these angles are vertical and are congruent

8r + 6 = 9r - 7

6 = r - 7

13 = r

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Serena is trying to become more environmentally conscious by making her own cleaning products. She researches different cleaners
astra-53 [7]
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2 years ago
The length of a rectangle is four times its width. If the area of the rectangle is 324m^2, find its perimeter.
Anuta_ua [19.1K]

Answer:

perimeter=90

Step-by-step explanation:

We know that the length is four times the width, so:

l=4w

We also know the area, which is 324 m². The formula for area:

A=l*w

Insert the known values:

324=(4w)*w

Solve for w. Simplify by removing parentheses:

324=4w*w\\324=4w^2

Divide 4 from both sides to isolate the variable:

\frac{324}{4}=\frac{4w^2}{4}  \\\\81=w^2

Find the square root of both sides:

\sqrt{81} =\sqrt{w^2} \\\\w=9

The width is 9 m.

We know the width. Now find the length by using the area formula and inserting known values:

324=l*9

Solve for l. Divide both sides by 9:

\frac{324}{9}=\frac{l*9}{9}\\\\  l=36

The length of the rectangle is 36. (You can check: 4 times 9 is 36)

Now find the perimeter:

P=2l+2w

Insert values:

P=2(36)+2(9)\\\\P=72+18\\\\P=90

The perimeter is 90 m.

5 0
2 years ago
Quien me ayuda<br> (((2)³)¹)⁶<br> ((((-4)³)¹)⁷)¹
sukhopar [10]
I really don’t know and dudjduifhdhsid
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3 years ago
What is 186/248 as a mixed number??
rjkz [21]
You can simply it to 3/4
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3 years ago
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