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olga55 [171]
2 years ago
12

What’s the answer to this!!!

Mathematics
2 answers:
aliina [53]2 years ago
5 0

Answer:

8.54

Step-by-step explanation:

bazaltina [42]2 years ago
5 0

Answer:

c = 8.5

Step-by-step explanation:

a² + b² = c²

8² + 3² = c²

64 + 9 = c²

c² = 73

\sqrt{c^2} =\sqrt{73}

c = 8.5

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Find the geometric sum: 40 + 20 + 10 + … + 0.078125
sveticcg [70]
S=40+20+10+\cdots+0.078125
S=40\left(1+\dfrac12+\dfrac14+\cdots+\dfrac1{512}\right)
S=40\left(1+2^{-1}+2^{-2}+\cdots+2^{-9}\right)

2^{-1}S=40\left(2^{-1}+2^{-2}+2^{-3}+\cdots+2^{-10}\right)

\implies S-2^{-1}S=40\left(1-2^{-10}\right)
\implies\dfrac12S=40\left(1-\dfrac1{1024}\right)
\implies S=80\left(1-\dfrac1{1024}\right)=\dfrac{5115}{64}=79.921875
4 0
3 years ago
The circumference of the circle-shaped rug is 69.08 inches.
adelina 88 [10]
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d = 22

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r = 11

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8 0
2 years ago
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ehidna [41]
Persia is the answer
3 0
2 years ago
Which of the following is used to inscribe a square in a circle?
katrin [286]

Answer:

The option which is used to inscribe a square in a circle is option B

B. Construct a perpendicular bisector of the diameter of the circle

Step-by-step explanation:

The steps required to inscribe a square in a circle are;

1) Draw the circle using a compass

2) Draw the diameter of the circle, that passes through the center of the circle with a straight edge label the endpoint of the diameter X and Y

3) Construct the line perpendicular to the diameter of the circle and label the endpoints as A and B

The figure formed by joining the endpoints X, Y, A, and B is the inscribed square of the circle

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