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larisa86 [58]
2 years ago
12

Which statement best describes where the StartFraction pi Over 4 EndFraction comes from in the formula derivation? It is the rat

io of the area of the square to the area of the circle from a cross section. It is the ratio of the area of the circle to the area of the square from a cross section. It is the difference of the area of the square and the area of the circle from a cross section. It is the sum of the area of the square and the area of the circle from a cross sectio
Mathematics
1 answer:
Oksanka [162]2 years ago
7 0

Answer:

Adding 12 to the circle area is equal to the square area.

Or

s2 = 12 + A

Where

s = side of square

A = area of circle

So

s2 = 12 + 36

s2 = 48

Solve this for s to get the side length

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4 0
2 years ago
Simplify the following algebraic expression.<br> 169<br> A. 13<br> B. 2/13<br> C. 13/2<br> D.26
Aliun [14]

Answer:

its 13

Step-by-step explanation:

Its 13 A

8 0
3 years ago
The difference between a number and four is multiplied by negative five. The result is twenty. What is the number?
spayn [35]
(n-4)*-5=20           Answer is  n= 8
4 0
3 years ago
Read 2 more answers
Write the equation for the line that goes through point (1, 1) with slope m = -9
DENIUS [597]

1) Since we have the slope, and one point we can find that linear equation using this point-slope formula. Plugging them we have:

\begin{gathered} (y-y_0)=m(x-x_0) \\ y-1=-9(x-1) \\ y-1=-9x+9 \\ y=-9x+9+1 \\ y=-9x+10 \end{gathered}

2) Note that we had to add 1 to both sides, to keep the "y "on the left.

3) Therefore, y=-9x+10 is the answer.

7 0
1 year ago
2/3 minus 16/32 what’s the answer
antiseptic1488 [7]

Answer:

1/6

Step-by-step explanation:

LCD = 96

2(32) - 16(3)/ 3(32) = 64 - 48/96

= 16/96

Simplify:

16/ 16 = 1

96/16 = 6

2/3 - 16/32 = 1/6

Sorry if my work might seem confusing. If it is, then try searching "fraction calculator." It really helps :)

6 0
3 years ago
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