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Zanzabum
3 years ago
6

The scores on an exam are listed. If a teacher wants to explain how poorly the class did on the test, would she use the mean, me

dian, or mode value for the test scores? Scores: 31, 33, 50, 55, 58, 58, 58, 60, 61, 61, 71, 73, 99, 100
Mean

Median

Mode

It makes no difference, they are all the same value.
Mathematics
2 answers:
madreJ [45]3 years ago
8 0
Median is 94
mode is 5
mean is 28
Natasha_Volkova [10]3 years ago
4 0
Mean because the mean is an average. That gives an overall understanding of what the entire class did.
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Plez halp with question bc im smol brain
Studentka2010 [4]

Answer:

B. y= 2x–15

Step-by-step explanation:

The equation that represents the line that passes through the points (8, 1) and (10,5) is y= 2x–15

"x" is found on the left hand side of the bracket and "y" is found on the right hand side of the bracket :)

(8, 1) and (10, 5)

x in the first bracket is 8 and x in the second bracket is 10.

y in the first bracket is 1 and y in the second bracket is 5.

When this equation is applied to find the value for y we get:

y= 2x-15

y= 2(8)-15

y= 16-15

y= 1

y= 2x-15

y= 2(10)-15

y= 20-15

y= 5

We got back the values of y and this means that the equation was correctly chosen and the answer is correct :)

6 0
3 years ago
What does the y = f(x) represent?
skad [1K]

Answer:

a.

the function we are working with

Step-by-step explanation:

f(x) is functions notation which means the output for the function being worked with. It is the y value hence y=f(x).

6 0
3 years ago
A pool company is trying out several new drains. Drai n A empties a pool at a rate of 2 gal/min. Drain B empties a pool at a rat
shtirl [24]
108 ÷ 2 = 54 minutes
108 ÷ 5 = 21.6 minutes
8 0
3 years ago
Pentagon ABCDE is a regular polygon. The length of side BC is represented by 3x - 4. The length of side DE is represented by the
dimulka [17.4K]

Answer:

Length of side AB = 5

Step-by-step explanation:

A regular polygon is one in which all angles are equal and all the sides have the same length.

Now, it means that;

AB = BC = CD = DE = AE

We are told that BC is represented by 3x - 4 while DE is represented by the expression 4x - 9.

Thus, from equal length of sides of a regular polygon, we have;

3x - 4 = 4x - 9

4x - 3x = 9 - 4

x = 5

Thus, length of BC = 3(5) - 4 = 15 - 4 = 11

Therefore, Length of AB = 5

5 0
3 years ago
Find the measure of the missing angles
maxonik [38]

f= 77°
d=75°
e=28°
they are vertical angles
5 0
2 years ago
Read 2 more answers
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