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arsen [322]
3 years ago
11

What is the area of a regular 15-gon with a perimeter of 90 m

Mathematics
1 answer:
Nikitich [7]3 years ago
5 0
 I think the perimeter is at least 6m
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What is the mean of the values below{48,59,70,27,61}
hram777 [196]

Answer:

53

Step-by-step explanation:

Mean=Average

To find it, add al the numbers and divide by how many there are.

48+59+70+27+61=265

265/5=53

:)

5 0
3 years ago
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Josh makes a fruit salad with bananas, blueberries, and strawberries. He uses 234 pounds of bananas, 112 pounds of blueberries,
4vir4ik [10]

Answer:

234+112=346

618-346=272

Josh used 272 pounds of strawberries in his fruit salad.

Step-by-step explanation:

6 0
2 years ago
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Can someone help me and explain on paper , I’m still so confused
Oksanka [162]

Answer:

Your answer is -5

Step-by-step explanation:

On paper;

8 0
3 years ago
A recipe for making 12 cupcakes
Igoryamba

Answer:

16 cups of flour

Step-by-step explanation:

6 0
2 years ago
A sample was taken of the salaries of four employees from a large company. the following are their salaries, in thousands of dol
Free_Kalibri [48]

For given sample of salaries of four employees, the variance of their salaries is: 26 thousands of dollars

The formula for the variance is,

S^2=\frac{\sum (x_i - \bar{x})^2}{n-1}

where,

S^2 = sample variance

x_i = the value of the one observation

\bar{x} = the mean value of all observations

n = the number of observations

For given question,

n = 4

First we find the mean of their salaries.

(33 + 31 + 24 + 36 ) / 4 = 31

So, \bar{x}=31

Using the formula for variance ,

S^2=\frac{(33-31)^2}{4-1}+\frac{(31-31)^2}{4-1}+\frac{(24-31)^2}{4-1}+\frac{(36-31)^2}{4-1}\\\\ S^2=\frac{4}{3}  + \frac{0}{3} + \frac{49}{3} + \frac{25}{3} \\\\S^2= \frac{4+49+25}{3}\\\\S^2=\frac{78}{3}  \\\\S^2=26

Therefore, for given sample of salaries of four employees, the variance of their salaries is: 26 thousands of dollars

Learn more about the variance here:

brainly.com/question/13673183

#SPJ4

7 0
2 years ago
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