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Rama09 [41]
3 years ago
5

PLEASE HELP MEEE ITS VERY URGENT

Mathematics
1 answer:
suter [353]3 years ago
3 0

Answer:

C=31.42

A=78.55

Step-by-step explanation:

C=2\pi r

C=2 \times 3.142 \times 5

C=31.42

A=\pi r^{2}

A=3.142 \times 5^{2}

A=3.142 \times 25

A=78.55

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melisa1 [442]

Answer: 2

Step-by-step explanation:

3•(-1)^3 - (-1)^3 + 5•(-1)^3 - 9•(-1)^3

3•(-1) - (-1) + 5•(-1) - 9•(-1)

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insens350 [35]
Answer:
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3 years ago
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Anni [7]

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Step-by-step explanation:

8 0
3 years ago
Please help me with this
Sati [7]

Answer:

x = \sqrt{11.4^2+2.6^2}\\\\

Rounded to the nearest hundredths: 11.69.

Step-by-step explanation:

I would use the Pythagorean theorem for this problem.

The difference between the highest point and the lowest point of AD is 9.8-7.2 = 2.6, so that would be the height of the triangle. The length/base of the triangle would be 11.4.

Now, just solve using Pythagorean's theorem:

x = \sqrt{11.4^2+2.6^2}\\\\

Rounded to the nearest hundredths: 11.69.

I hope this helped you.

5 0
3 years ago
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