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olga55 [171]
3 years ago
11

Find the area of circle B in terms of pie

Mathematics
2 answers:
Murljashka [212]3 years ago
8 0

area of circle= πr²

π = 22/7

r=1.5

A =22/7 ×1.5²

A =7.07yd²

morpeh [17]3 years ago
3 0
In terms of pie the answer is d . 2.25
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At a local school, 940 students each wrote 40 letters in students in another country. How many letters were written in all?
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Find the solution of this system of equations<br><br> -3x-7y=-66<br><br> -10x-7y=-24
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A) Let's solve for x. -3x-7y=-66

Step 1: Add 7y to both sides.

-3x - 7y + 7y = -66 + 7y \\-3x = 7y - 66

Step 2: Divide both sides by -3.

\frac{-3x }{-3} = \frac{7y - 66}{-3}

x = \frac{-7}{3}y + 22

Answer : \frac{-7}{3}y + 22

~~~~~~~~~~~~~

B) Let's solve for x. -10x-7y=-24

Step 1: Add 7y to both sides.

-10x - 7y + 7y = -24 + 7y \\-10x = 7y - 24

Step 2: Divide both sides by -10.

\frac{-10x}{-10} = \frac{7y - 24}{-10}

x = \frac{-7}{10}y + \frac{12}{5}

Answer : \frac{-7}{10}y + \frac{12}{5}

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7 0
3 years ago
4 cups equals how many ounces
DanielleElmas [232]
4 cups equals 33.307 oz

5 0
3 years ago
Read 2 more answers
PLISSSS HELP 20 POINTS
alina1380 [7]

Answer:

x=8

Step-by-step explanation:

Because you are solving for x, you want to cancel out the y terms. You can do this by multiplying the entire equations by numbers that will make the y terms have equal numbers but opposite signs.

2(2x-5y=1)

5(-3x+2y=-18)

This turns into

4x-10y=2

-15x+10y=-90

The y terms cancel out, and the other terms can be added together.

-11x=-88

x=8

5 0
3 years ago
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