3 years ago

What is the equation for area of a circle

Mathematics

1 answer:

zavuch27 [327]3 years ago

3 0

C=pi×r2 if there is only the diameter then take half of it

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What is the surface area of the following cylinder in square centimeters? 54.95 cm2 471 cm2 47.1 cm2 31.4 cm2

goldfiish [28.3K]

Answer:

54.95

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3 years ago

G) There are 3 boys and 2 girls in the Krunch family. Mr.

timurjin [86]

Answer:

0.6 pounds each

Step-by-step explanation:

3+2=5

3/5 or 3÷5= 0.6

4 0

3 years ago

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Pls help due tomorrow just numbers 7 - 12

Luden [163]

Answer:

Step-by-step explanation:

7). 5.75% = $\frac{5.75}{100}$ = $\frac{575}{10000}$ = $\frac{23}{400}$

10). $16\frac{2}{3}$ % = $\frac{50}{3}$ % = $\frac{50}{300}$ = $\frac{1}{6}$

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8 0

3 years ago

A set of data has the trend line modeled by the equation Y =1.5x + 11. What value of X corresponds to y =56?

erica [24]

Answer:

x = 30

Step-by-step explanation:

Plug in 56 in place of y, then solve for x.

56 = 1.5x + 11

Subtract 11.

45 = 1.5x

Divide both sides by 1.5.

45/1.5 = x

30 = x

8 0

3 years ago

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find the sum of the interior angles of the following polygons.1)Pentagon. 2)hexagon. 3)heptagon. 4)octagon.

sergejj [24]

Answer:

Sum of interior angles of polygon = (n-2)*180

1) Pentagon:

(5-2)*180= 540

2)Hexagon:

(6-2)*180= 720

3) Heptagon:

(7-2)*180= 900

4) Octagon:

(8-2)*180= 1080

3 0

3 years ago