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erastova [34]
3 years ago
10

Find the area of the circle. Leave your answer in terms of π.

Mathematics
2 answers:
jeka943 years ago
6 0

Answer:

254.47

Step-by-step explanation:

the area of a circle can be found using the formula

pi(radius)^2

in your problem, the radius is 9. Plug it into the equation

pi(9)^2

9^2 is 81

81(pi)

pi is about 3.14

area is 254.47

If you need help, feel free to message me

vova2212 [387]3 years ago
5 0

Answer:

81\pi

Step-by-step explanation:

A=\pir²

A=\pi9²

A=81\pi

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Step-by-step explanation:

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3 years ago
X + y = 152,<br><br> 8.5x + 12y = 1,656<br><br> How many hats were sold?
Elodia [21]

Answer:

x = 48 and y = 104

Step-by-step explanation:

Given equations are:

x+y = 152\\8.5x+12y=1656

From equation 1:

x = 152-y

Putting the value of y in equation 2

8.5(152-y)+12y = 1656\\1292-8.5y+12y = 1656\\3.5y+1292 = 1656\\3.5y = 1656-1292\\3.5y = 364\\\frac{3.5y}{3.5} = \frac{364}{3.5}\\y = 104

Now we have to put the value of y in one of the equation to find the value of x

Putting y = 104 in the first equation

x+y = 152\\x+ 104 = 152\\x = 152-104\\x = 48

Hence,

The solution of the system of equations is x = 48 and y = 104

The value of variable which was assumed for number of hats, is the total number of hats.

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3 years ago
CAN SOMEONE GIVE ME BRAINLEST I WILL GIVE YOU ONE
Sedaia [141]

Answer:

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Read 2 more answers
The table below represents the function f
alukav5142 [94]

Answer:

1

Step-by-step explanation:

I belive its one because 3^2  is 9 and 9+1 = 10

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AURORKA [14]
I hope this helps you

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