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melomori [17]
2 years ago
8

Please help me with this math problem

Mathematics
1 answer:
Leto [7]2 years ago
4 0

Answer:

the MEAN for class a is 72.6

the MEAN for class b is 84.0

if you take these means and compare them, you can see that on average, class B performed better.

the MEDIAN for class a is 72

the MEDIAN for class b is 85

Step-by-step explanation:

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Simplify the expression -3 (4x -2) - 2x
raketka [301]

Answer:

-14x+6

Step-by-step explanation:

-3(4x-2)= -2x  = -14x+6

-3(4x -2) -2

-12x+6 -2x

5 0
4 years ago
What are inverted operations?​
Sunny_sXe [5.5K]

Answer:

The Definition of Inverse Operations

A pair of inverse operations is defined as two operations that will be performed on a number or. variable, that always results in the original number or variable. Another way to think of this is. that the two inverse operations “undo” each other.

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5 0
3 years ago
Eleven different video games showing drug use were observed. The duration times of drug use ​(in seconds) were recorded. When us
wlad13 [49]

Answer:

10

Step-by-step explanation:

df denote degree of freedom

here in question it is given that eleven different video games showing

so here n=11

we know that for calculation of degree of freedom

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so degree of freedom = sample size -1 =11-1 =10

so the value of degree of freedom that is df is 10

3 0
3 years ago
What is 2^4+5*6*4+4/2*50 plz help
Lelechka [254]

It is 236. Happy to help (:

6 0
4 years ago
Read 2 more answers
5. The largest mosaic in the world is on the walls of the central library of the
Cloud [144]

Answer:

<h3> 63.25m</h3>

Step-by-step explanation:

The area of the square wall = L² where;

L is the length of the wall.

Given

Area of the mosaic = 4000m²

Substitute into the formula and get L

4000 = L²

Square root both sides

√4000 = √L²

√4000 = L

Rearrange

L = √4000

L = 63.25m (to the nearest hundredth)

<h3>Hence the length to the nearest hundredth is 63.25m</h3>
7 0
3 years ago
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