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Fofino [41]
3 years ago
11

What is the circumference of the following circle? d=4

Mathematics
2 answers:
Musya8 [376]3 years ago
5 0
C=12.57

explanation:
C=πd so C=πx4= 12.56637061435917

12.56637061435917 rounded is 12.57

hope this helps, have a great day
Finger [1]3 years ago
3 0

Answer:

c≈12.57

Step-by-step explanation:

good luck :)

I'm not 100% sure

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Suppose the circumference of a circle is 4, pi. What is its diameter?
Vilka [71]
Your answer would be 4, because the equation for the circumference of a circle is π × diameter, so if you have 4 × π as the circumference, then 4 is the diameter.

I hope this helps!
3 0
3 years ago
Read 2 more answers
The volume of the pyramid shown in the figure is cubic centimeters. If the slant height of the pyramid increases by 4 centimeter
Nostrana [21]

Answer:

Part a) The volume of the original pyramid is 15\ cm^{3}

Part b) The volume of the pyramid increases by  6\ cm^{3}

Step-by-step explanation:

<u><em>The complete question is</em></u>

Part 1) The volume of the pyramid shown in the figure is 9,15,21, or 63 cubic centimeters?. Part 2) If the slant height of the pyramid increases by 4 centimeters and its height increases by 2 centimeters, the volume of the pyramid increases by 6,9,12 or 21 cubic centimeters?

we know that

The volume of the pyramid is equal to

V=\frac{1}{3}Bh

where

B is the area of the base

h is the height of pyramid

see the attached figure to better understand the problem

Step 1

Find the volume of the original pyramid

the area of the base B is equal to

B=3^{2}=9\ cm^{2}\\h=5\ cm

substitute

V=\frac{1}{3}(9)(5)=15\ cm^{3}

Step 2

Find the volume of the new pyramid

B=9\ cm^{2} -------> the area of the base is the same

h=5+2=7\ cm ------> the height increase by

substitute

V=\frac{1}{3}(9)(7)=21\ cm^{3}

Subtract the original volume from the new volume

21\ cm^{3}-15\ cm^{3}=6\ cm^{3}

5 0
3 years ago
(10, -17), (-10, -14)
Alexus [3.1K]

Answer:

3/-20

Step-by-step explanation:

I think you were asking for the slope for these, so that's what I gave you, sorry if you needed something else

5 0
3 years ago
If x% of y is 10, what is y?
SVETLANKA909090 [29]
11 i think is what the answer is.
7 0
3 years ago
Does anyone knows question 35
amid [387]
Answer: -3≤x ≤3
I can do more if needed

5 0
3 years ago
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