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2 years ago

Find the mean for the given set of data.

Mathematics

2 answers:

Varvara68 [4.7K]2 years ago

5 0

C. 20. When you add them all up and divide by seven, you get 20

ASHA 777 [7]2 years ago

4 0

Answer:

Option c - 20

Step-by-step explanation:

Given : The set of data

18, 15, 22, 18, 25, 19, 23

To find: The mean of the data?

Solution :

Mean is defined as the sum of the number of observation by total number of observation.

$M=\frac{\sum x_n}{n}$

$M=\frac{18+15+22+18+25+19+23}{7}$

$M=\frac{140}{7}$

$M=20$

Therefore, The mean of the data is 20.

So, Option c is correct.

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Round Ed to the nearthest tenth and answer now question

Vikki [24]

Answer:

$y = 9.1$

Step-by-step explanation:

y can be found using the Law of sines as explained below:

m < Y = 106°

m < X = 58°

WY = x = 8

WX = y = ?

Thus,

$\frac{x}{sin(X)} = \frac{y}{sin(Y)}$

$\frac{8}{sin(58)} = \frac{y}{sin(106)}$

$\frac{8}{0.848} = \frac{y}{0.961}$

Multiply both sides by 0.961 to solve for y

$\frac{8}{0.848}*0.961 = \frac{y}{0.961}*0.961$

$\frac{8*0.961}{0.848} = y$

$\frac{8*0.961}{0.848}*0.961 = y$

$9.07 = y$

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Read 2 more answers

The lengths of the sides of the triangle are 3, 8, and 10. Is the triangle a right triangle, acute triangle, or an obtuse triang

weqwewe [10]

Answer:

Obtuse

Step-by-step explanation:

You have to make sure it is a triangle by adding the smallest and the medium sides, if the result is greater than the bigger side then it is a triangle.
you then use the Pythagorean theorem to check if the triangle is a right triangle, acute, or obtuse. If $c^{2}$ = $a^{2} +b^{2}$ then it is a right triangle. If $c^{2} >a^{2} + b^{2}$ then it is an obtuse triangle. if $c^{2} < a^{2} +b^{2}$ then it is an acute triangle.