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Schach [20]
3 years ago
15

Can some one help me with this question its hard :( down below ill give brainliest

Mathematics
1 answer:
Ostrovityanka [42]3 years ago
7 0

Answer:

3^3 = 27, so C

Please give brainliest :)

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1/5 convert to decimal
posledela
1 divided by 5 equals 0.2
6 0
3 years ago
Carolina is mowing lawns for a summer job. For every mowing job, she charges an initial fee plus $6 for each hour of work. Her t
MrRa [10]
Well first the initial fee would be the x, which is what we have to solve for. Each hour of work is $6, and she does four hours of work. This is equal to $32. The equation would look as follows...

x + 6(4) = 32

Once you have the equation start solving. Use the Pemdas method. First you have to multiply, so now the equation looks as follows...

x + 24 = 32

Now you have to get the x by itself. You do that by subtracting 24 from both sides, because what you do to one side, you do to the other. That will get you to the answer of...

x = 8

In conclusion, Carolina has an initial fee of $8.

Hope this helped.
5 0
3 years ago
What is the probability that a number selected from the numbers 1 to 15 is a multiple of 4?​
labwork [276]

Answer:

1/5

Step-by-step explanation:

probability = favorable outcomes/total outcomes

4, 8, 12 are multiples of 4, so there are 3 favorable outcomes.

There are 15 total outcomes.

Make the fraction

3/15

reduce by 3

1/5

5 0
2 years ago
Identify the figure.
Murrr4er [49]
It is a ray, you can tell because it goes on only on one side while a line segment would have two solid dots/finite points on both ends. :))
3 0
4 years ago
For the data set 6,5,10,11,13, the mean, x, is 9. What is the standard deviation?
Ratling [72]

Answer:

3.39

Step-by-step explanation:     

We will use SD formula to find our answer.

\sigma=\sqrt{ \frac{\sum (x-\overline{x})^{2}}{N-1} }

\sigma= Standard deviation.

\overline{x}= Mean.

N= Numbers of data-points.

We have been given that mean of our data set is 9. So we will find the square of each data point's distance to the mean.

Now let us substitute our given values in above formula.

\sigma=\sqrt{ \frac{(6-9)^{2}+(5-9)^{2}+(10-9)^{2}+(11-9)^{2}+(13-9)^{2}}{5-1} }

\sigma=\sqrt{ \frac{(-3)^{2}+(-4)^{2}+(1)^{2}+(2)^{2}+(4)^{2}}{4} }

Upon adding the square of distances we will get,  

\sigma=\sqrt{ \frac{9+16+1+4+16}{4} }

\sigma=\sqrt{ \frac{46}{4} }

Upon dividing 46 by 4 we will get,

\sigma=\sqrt{ 11.5}

Upon taking square root of 11.5 we will get,

\sigma=3.3911649915626341\approx 3.39

Therefore, the standard deviation for our given data set will be 3.39.  

3 0
3 years ago
Read 2 more answers
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