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Mamont248 [21]
3 years ago
10

I just want to know if I'm correct on that question.

Mathematics
1 answer:
Anni [7]3 years ago
5 0
I did the same thing you did ... I added up the "scores" column
and divided the total by 5 .  That answer is 2 .

Then I read what you said about the answer sheet, so I went back
and looked at the problem again.<em />  Good thing I did.  You have to look
and see what the first column says, and what it means.

There are FIVE different students who each scored 4.
There are THREE different students who each scored 3.
There are FOUR different students who each scored 2.
.
.
etc.

The total of all the scores is 44, not 10.
The  total number of students is 20, not 5.

That's where the "2.2" comes from.
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Solve equation by using the quadratic formula.<br> 15x^2 + 13x = 0
MariettaO [177]

Answer:

0 and - 13/15

Step-by-step explanation:

3 0
3 years ago
Write the equation of a line in slope-intercept form parallel to the line y = -2x + 7 and contains (-1, 3).
JulsSmile [24]

Answer:

The answer is

<h2>y = - 2x + 1</h2>

Step-by-step explanation:

Equation of a line is y = mx + c

where

m is the slope

c is the y intercept

To find the equation of the parallel line we must first find the slope of the original line

From the question the original line is

y = - 2x + 7

Comparing with the general equation above

Slope = - 2

Since the lines are parallel their slope are also the same

Slope of parallel line = - 2

The equation of the line using point (-1, 3) and slope - 2 is

y - 3  =  - 2(x + 1) \\ y - 3 =  - 2x - 2 \\ y =  - 2x - 2 + 3

We have the final answer as

y =  - 2x + 1 \\

Hope this helps you

7 0
3 years ago
Which of the following statements must be true about this diagram? Check
SSSSS [86.1K]

Answer:

f

Step-by-step explanation:

I'm pretty sure it's f from what I know

4 0
3 years ago
22.48 rounded to the nearest whole number
Reika [66]

ANSWER


22


EXPLANATION


22.48 rounded to the nearest whole number is 22.



The reason is that the 4 after the decimal point is less than 5 so we won't round up.

4 0
3 years ago
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