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Alenkinab [10]
3 years ago
5

Find the mean of this set of numbers: 19, 19, 9, 11, 13, 20, 19, 10​

Mathematics
1 answer:
ivanzaharov [21]3 years ago
7 0

Step-by-step explanation:

The mean of this number is 16 because when you do the formula it adds up to 16, so the formula to find the mean of the numbers is: Firstly you order the numbers from smallest to largest, Next you add all the numbers together and divide the answer you get with the amount of the numbers you were talking about in the question.

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A teacher offers 8 extra credit assignments. what is the domain of this graph?
UkoKoshka [18]

Answer:

C

Step-by-step explanation:

This is the shows the constant value on the X-axis

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3 years ago
A pentagon has angle measures of 12x°, 7x°, 16x°, 9xº, and 10x°. Find the<br> value of x.
8_murik_8 [283]

Answer:

10

Step-by-step explanation:

The sum of all the interior angles of a pentagon is 540°

So...

540 = 12x + 7x + 16x+ 9x + 10x

Combine like terms:

540 = 12x + 7x + 16x+ 9x + 10x

540 = 54x

Divide by 54 on both sides:

540 = 54x

/54     /54

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Hope this helps :)

8 0
2 years ago
After deductions of $45 were withheld this week from Ed's weekly earnings on his part-time job, his take-home pay was $240. Ed h
maria [59]
9.50 285 divided by 30=9.50 9.50 per hour
5 0
2 years ago
points P and Q lie 240 m apart in line with and on opposite sides of a communications tower. the angles of elevation to the top
Leona [35]

Answer:

The height of the tower is 130.5m

Step-by-step explanation:

In the question, we are given the following values:

The angles of elevation to the top of the tower from P = 50°

The angles of elevation to the top of the tower from Q = 45°

The angles of elevation to the top of the tower from P = 50°

Hence,cot P = 1/ tan(50°)

The angles of elevation to the top of the tower from Q = 45°

Hence, tan 45° = 1

In the question,we are told Points P and Q lie 240 m apart in line with and on opposite sides of a communications tower.

Therefore,

PQ = height of the tower( tan Q + 1/tan P)

240m = height of the tower( tan 45° + 1/ tan 50°)

240m = h(1 + 1/tan 50°)

h = (240 m)/(1 + 1/tan (50°))

h = 130.49863962 meters

Therefore, the height of the tower to the nearest tenth of a meter is 130.5 meters(m)

5 0
3 years ago
What is a vennn diagram​
Eddi Din [679]

Answer:

a model used to compare and contrast

Step-by-step explanation:

I suggest looking at a few examples of a venn diagram to help you better understand the concept :)

Hope this helps!

-Coconut;)

4 0
3 years ago
Read 2 more answers
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