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almond37 [142]
3 years ago
15

Find the area of a circle in terms of pi with a radius of 7.4 cm.

Mathematics
2 answers:
vfiekz [6]3 years ago
6 0

Answer: I think the answer is 13.69

Anit [1.1K]3 years ago
4 0
A= \pi  r^{2} =\\A=\pi (7.4)^{2}=\\A=\pi (54.76)=\\A=54.76\pi
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Please help with math question! This question is stressing me out (View Image)
TEA [102]
To find the volume of this one we need to break it down 
now i see half of a cylinder and rectangle:)
but first lets find the volume of the rectangle...
In order to find the Volume of a rectangle we need to use this formula...
Length x width x height 
in this case...
length = 10in
width = 6 in 
height = 8in
lets solve:)
10 x 6 x 8 = 480
or we write it like this 
480in³

now time to find the volume of the half cylinder:)
But first lets remember the volume for a cylinder
Volume = \pi r^{2} h
So lets find our measurements 
\pi = 3.14
r² = 5² or 25
h = 6 
so lets plug in our values just like our formula said:)
3.14 x 25 x 6 
now lets easily solve 
<span>3.14 x 25 x 6 = 471
</span>now since we found an entire cylinder and we only want half of a cylinder lets divide our answer in half
471 ÷ 2 = 235.5
so we write it like this 235.5units³
But we have to add both of our multiples together so lets do that
Volume of rectangle = <span>480in³
</span>volume of half sphere = 235.5units³
480 + 235.5 = 715.5
answer = 715.5units³
I hope this helped and everyone learned something new
anyways don't forget to
MARK ME BRAINLIEST! :D
3 0
3 years ago
Can someone help me on this
Keith_Richards [23]

Answer:

39V3 Sq.units of that will help you

5 0
2 years ago
Ahorras $15 por semana para comprar una de las bicicletas mostradas.
jeka94

Answer:

yo ocupo la misma respuestas

Step-by-step explanation:

la tienes o q? soy de higschool Ossining

7 0
2 years ago
Which three lengths could be the lengths of the sides of a triangle?
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8 0
3 years ago
Read 2 more answers
Which rational number equals 0 point 2 with bar over 2? 1 over 10 1 over 9 2 over 10 2 over 9
Alja [10]

Answer:

0.\bar2=\frac{2}{9}

Step-by-step explanation:

We want to find the rational number which is equal to 0.\bar2.

Let y=0.\bar2....eqn(1)

Multiply both sides by 10

10y=2.\bar2.....eqn (2)

Subtract eqn (1) from eqn (2)

10y-y=2.\bar2-0.\bar2

\implies 9y=2

Divide both sides by 9.

\implies y=\frac{2}{9}

4 0
3 years ago
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