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tiny-mole [99]
3 years ago
7

CAN SOMEONE HELP ME PLEASE???

Mathematics
2 answers:
marishachu [46]3 years ago
7 0

Answer:

Range: 7

Greater than 9 is: 7

I'm not really sure about the distribution

Total Student: 25

Mean: 8.68

Median: 9

Mode: 8

Step-by-step explanation:

lana66690 [7]3 years ago
4 0

Answer:

Step-by-step explanation: First, you need to write all your data down from least to greatest. Next, count up all the numbers to see how many students. Then you want to find the mean which is average (add then divide). Median is the middle so you will x each number out till you get to the middle, and if the middle is 2 numbers, you find the average of them to find the median. Mode means most often. Range is highest minus lowest. And you can do the next 2.

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What is the value of x?<br><br> a. 71°<br> b. 142°<br> c. 152°<br> d. 76°
alexgriva [62]
The sum of the measures of the angles of a triangle is 180 degrees.
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The angles opposite the congruent sides are congruent.
Just like the bottom left angle measures x, the bottom right angle also measures x.

x + x + 38 = 180

2x + 38 = 180

2x = 142

x = 71
3 0
3 years ago
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A customer service representative earns $13 an hour, and he works 52 hours a week. What is his weekly wage? A. $91 B. $364 C. $6
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4 0
3 years ago
4x + 2y = 8 16x - y = 14
lys-0071 [83]
Equation 1)  4x + 2y = 8
Equation 2)  16x - y = 14

Multiply all of equation 2 by 2.

2)  2(16x - y = 14)

2)  32x - 2y = 28
1)  4x + 2y = 8

Add equations together.

36x = 36

Divide both sides by 36.

x = 1

Plug in 1 for x in the first equation.

4x + 2y = 8

4(1) + 2y = 8

4 + 2y = 8

Subtract 4 from both sides.

2y = 8 - 4

2y = 4

Divide both sides by 2.

y = 4/2

y = 2

So, x = 1, y = 2

~Hope I helped!~
7 0
3 years ago
Simplify the expression:<br> 3(3 + 7b)
cupoosta [38]

Answer:

The answer is 9 + 21b

Step-by-step explanation:

Simplify the expression.

~Hoped this helped~

4 0
3 years ago
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Which congruence postulate or theorem shows that the triangles below are congruent?
saul85 [17]

Answer:

A. AAS

Step-by-step explanation:

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