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LiRa [457]
3 years ago
7

Find the area of the circle. use 22/7 for pie

Mathematics
1 answer:
kherson [118]3 years ago
7 0

Answer:  2464 in²

Step-by-step explanation: The formula for the area of a circle is

A = πr²

The given radius is 28 inches.

Square that 28 × 28 = 784 square inches.

Then multiply by pi.

22/7 × 784 = 2464 square inches.

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the length of a rectangle is 6 meters more than its width. if the area of the rectangle is 135 square meters, find its dimension
goblinko [34]

Answer:

length 15 width 9

Step-by-step explanation:

Then the length can be represented by the following expression: (x + 6)

Since area is equal to length times width, we can write the following equation for the area:

A = length * width

135 = (w + 6) * w

Now we can solve for w after using the distributive property and factoring:

135 = (w + 6) * w

135 = w^2 + 6w

0 = w^2 + 6w - 135

This factors to:

0 = (w + 15) (w -9)

w = -15 OR w = 9

6 0
3 years ago
200m - 100m + 48,250 = 50,250 - 150m
Ede4ka [16]

Answer:

m=8

Step-by-step explanation:

5 0
3 years ago
HELP I have been stuck on this problem for a bit now
DENIUS [597]

Answer:

16

Step-by-step explanation:

72/2 = 36

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square root of 4 is 2 and 2^2 equals 4.

12 +4 =16

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5 0
3 years ago
Read 2 more answers
17 - 3 (a+5) = 6 (a+5) - 2a
Snezhnost [94]

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4 0
3 years ago
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Does the point (1, 8) satisfy the equation y = x + 7?<br> yes<br> no<br> Submit
just olya [345]

Yes.

With the equation y = x + 7, you take the given x value from the point, (1) and plug it into the equation.

1+7=8 therefore causing it to be valid.

4 0
3 years ago
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