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nataly862011 [7]
3 years ago
7

Plz help me get the right answer

Mathematics
2 answers:
Angelina_Jolie [31]3 years ago
8 0

Hello!

Explanation:

First, you had to do is multiply by 3 from both sides of an equation.

3*\frac{1}{3}b=4*3

And then simplify by equation form. You can also multiply by the numbers.

4*3=12

12/3=4

12/4=3

3*4=12

Answer: b=12

<u><em>*The answer must have a positive sign.*</em></u>

Hope this helps!

Thanks!

-Charlie

r-ruslan [8.4K]3 years ago
6 0

Equation: 1/3 b=4

Step 1. Multiply both sides of the equation by 3.

3 * ( 1 /3  b) =(3) * (4)

b=12

Answer: b=12

Hope I could help! :)

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The area of a circle is 161 in. What is the radius?​
kirill [66]

Answer:

Approximately 7.16 in

Step-by-step explanation:

Hi there!

Area of a circle equation: A=\pi r^2 where r is the radius

Plug in the given area 161 in.²

161=\pi r^2

Divide both sides by π to isolate r²

\frac{161}{\pi} =\frac{\pi r^2}{\pi} \\\frac{161}{\pi} =r^2

Take the square root of both sides to isolate r

=r^2\\\sqrt{\frac{161}{\pi}} =r\\7.16=r

Therefore, the radius of the circle is approximately 7.16 in.

I hope this helps!

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Montano1993 [528]
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Step-by-step explanation:

<u>43b</u>. x+y=1

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----------------------

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check:

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<u>43a</u>. can you figure this one out by yourself and then check it? If you can't I will show my work. The answer is above. :)

<u>36b</u>. y-(0)^2=9

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