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2 years ago

A regular nonagon has a radius of 18.8 cm. What is the length of the apothem? Round your answer to the nearest tenth.

Mathematics

1 answer:

Free_Kalibri [48]2 years ago

6 0

C. 17.7 cm this is correct I just had this question on my work and this is the answer

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Find the ratio of x to y<br> x/5 = 2/3 = 5/y

BigorU [14]

X=2
-- ---
5 3
Cross multiply:
3x=10
x=10/3

2=5
-- ---
3 y
2y=15
y=15/2
10/3=15/2 :)

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Step-by-step explanation:

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What is 4.3(v+2.5)=8.11+4v

True [87]

Answer:

-8.8

Step-by-step explanation:

We begin by simplifying the parenthesis through multiplication. Parenthesis is a structure which signals multiplication happening.

$4.3(v+2.5)=8.11+4v\\4.3v+10.75=8.11+4v$

We now begin combining like terms across the equal sign by performing the inverse or doing the opposite. Move first the 8.11 by subtracting it from both sides.

$4.3v+10.75-8.11=8.11-8.11+4v\\4.3v+2.64=4v$

Now, move 4.3v across by subtracting it from both sides.

$4.3v-4.3v+2.64=4v-4.3v$

$2.64=-0.3v$

Finally, we divide both sides by the coefficient of v.

$\frac{2.64}{-0.3} =\frac{-0.3v}{-0.3} \\-8.8=v$

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2 years ago