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zubka84 [21]
3 years ago
9

Plzzz help pls I really need this 9th grade math

Mathematics
1 answer:
weeeeeb [17]3 years ago
7 0

Answer:

1/3

with indices, the brackets mean you multiply the powers - so you need to multiply 1/4 by something to get 1/12, which is 1/3

:)

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Radius of a sphere that has a surface area 12.56in2 use 3.14
enot [183]
\bf \textit{surface area of a sphere}\\\\
A=4\pi r^2\qquad 
\begin{cases}
r=radius\\
-----\\
A=12.56
\end{cases}\implies 12.56=4\pi r^2
\\\\\\
\cfrac{12.56}{4\pi }=r^2\implies \sqrt{\cfrac{12.56}{4\pi }}=r
8 0
3 years ago
PLZ HELP!! I NEED QUICKLY!!
Amiraneli [1.4K]

Answer:

(1, 1), (2, 2), (-3, -3), (4, 4), (-5, -5)

Step-by-step explanation:

You get a straight line. As you can see in the picture, the figure lies in the first and third quadrant.

4 0
2 years ago
Read 2 more answers
twice the difference between a number and 10 is equal to 6 times the number plus 14. what is the number?
laiz [17]
Let the number be n.  Then 2(n-10) = 6n + 14.

Multiplying out the left side, 2n - 20 = 6n + 14.  Thus, -34=4n, and n = -17/2.
4 0
3 years ago
A movie theater uses a cone-shaped container to serve popcorn. The cone has a height of 12 inches and a volume of 16 π in2. What
zimovet [89]

Volume can be defined as the <u><em>capacity of a given container or a certain object.</em></u>

The radius of the cone is 2 inches.

From the question, we are given the following parameters:

<em>The height of the cone = 12 inches</em>

<em>The volume of the cone =  16 π in³</em>

The formula to find the<u> radius of the cone </u>is given as:

√3V/πh

= √ 3 x 16π / π x 12

= 2 inches

Therefore, the radius of the cone is 2 inches.

To learn more, visit the link below:

brainly.com/question/25107622

6 0
2 years ago
Twice the number of a number 9 is 6
snow_tiger [21]

I dont understand wouldn't twice the number of 9 be 18 or 11?

9+2=11 or 9×2=18

7 0
3 years ago
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