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Nookie1986 [14]
3 years ago
7

What does m = in m/6 + 8=13 with work shown

Mathematics
1 answer:
Tom [10]3 years ago
8 0
Please excuse my sloppy writing but the answer is 30

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Que por ciento de 20 es 6?
Mariulka [41]

Answer:

30%

Step-by-step explanation:

x% de 20 es 6.

x% * 20 = 6

0.01x * 20 = 6

0.2x = 6

x = 6/0.2

x = 30

Respuesta: 30%

8 0
3 years ago
What is the answer to this problem
mr_godi [17]

Answer:

I think its the second one

Step-by-step explanation:

the other ones are fair and have a 50% chance on choosing.

  • I am so srry if I'm wrong but I'm pretty confident.
7 0
2 years ago
Read 2 more answers
The perimeter of a rectangular
cupoosta [38]

Answer:

5 ft

Step-by-step explanation:

Since we have a rectangle, we know for sure that perimeter = double the width and double the height. Algebraically, that looks like:

P = 2W + 2H

Let's sub in the given values, P and W:

18 = 2(4) + 2H

Now, let's solve for the height, H:

18 = 8 + 2H

10 = 2H

10/2 = H

<u>5 = H</u>

I hope this helps!

7 0
2 years ago
A family goes grocery shopping every week. in a month the costs of the groceries are $72.42, $91.50, $58.99, and $69.02. 5. what
frozen [14]
1) Mean
The mean is given by the sum of the data divided by the number of data (4, in this case):
\mu =   \frac{1}{N} \sum x_i = \frac{1}{4}(72.42+91.50+58.99+69.02) = \frac{291.93}{4}=72.98 $

2) Standard deviation
The standard deviation is given by:
\sigma =  \sqrt{ \frac{1}{N} \sum (x_i-\mu)^2 }
where \mu is the mean, that we already found at point 1), and N=4. Substituting data, we have:
\sigma =  \sqrt{ \frac{1}{4} ((-0.56)^2+(18.52)^2+(-13.99)^2+(-3.96)^2) } =
= \sqrt{ \frac{1}{4}  (554.71)} = \sqrt{138.68} =11.78 $
3 0
3 years ago
I was wondering what the answer to these problems is?
alina1380 [7]
The first one is 4
Second is 5/9
Third is 1/2
Fourth is 11
7 0
2 years ago
Read 2 more answers
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