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Andre45 [30]
3 years ago
11

What is the radious of a circle with a circumference of 13 ft?

Mathematics
1 answer:
miss Akunina [59]3 years ago
8 0
Circumference = \pi * D
Radius = \frac{13 /  \pi }{2}
= 2.06901426
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Someone smart please help
Afina-wow [57]

Answer:

The first one of 23 centimeters squared

The second is 48 centimeters squared.

sorry if it's wrong, my mental math isn't spot on

6 0
3 years ago
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PLEASE HELP!!!<br><br><br>Solve.<br><br><br><br>a - 2b = 2<br>a + b = 2 ( b + 3 )
wolverine [178]

a-2b=2.........(1)

a+b=2(b+3)

a+b=2b+6

a-b=6.......(2)  

a-2b= 2

a-b= 6

Eliminate y  

multiply (1)by -1  

Multiply (2) by 2  

-a+2b=-2

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Add the two equations  

a = 10

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Hope this helped:)




3 0
4 years ago
In the last two years, Mari grew 2 1/4 inches, Kim grew 2.4 inches, and Kate grew 2 1/8 inches. Write the amounts they grew in o
Gennadij [26K]
First, let's turn the fractions into decimal form so you can see the answer, more clearly. 
2 \frac{1}{4} = 2.25
2.4 = 2.4
2 \frac{1}{8} = 2.125

Now, after looking at the decimals, we can see which decimals are the biggest. They would order, from least to greatest, like this. 
1)  2.4
2) 2.25
3) 2.125

I hope this helps!

6 0
3 years ago
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If a vehicle travels 25x miles in 2 hours, what is the vehicle's average speed, in miles per hour.
il63 [147K]

Given that a vehicle travels 25 miles in 2 hours, determine the average speed of the vehicle in miles per hour.

Work:

In order to find the average mph of the vehicle, you have to divide the distance the vehicle travels in a certain period of time by that amount of time.

So, in this case, the vehicle traveled 25 miles in 2 hours, so you would divide 25 by 2.

25/2 = 12.5

That means, the vehicle is traveling at a speed of 12.5 mph.

Thus, the average speed of the vehicle is 12.5 miles per hour (mph).

3 0
4 years ago
4/5 x 3/4 lowest gcf and lcm to fraction operations
trapecia [35]

4/5 x 3/4 is just 12/20, and then when you simplify that you get 3/4.

3 0
3 years ago
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