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Nikitich [7]
2 years ago
13

What is the factored form of 7x2 + 2x - 5?

Mathematics
1 answer:
Simora [160]2 years ago
7 0
I think it’s the third one
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Karolina [17]
8.2
3 does not add 1 to 2 so it's 8.2
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I have two bags of counters.
STatiana [176]

Answer:

a. 4/21

b. 4/7

Step-by-step explanation:

Please kindly check the attached files for explanation.

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there are 350 boys and 450 girls in the sixth to eighth grade In East Side Elementary School. what is the ratio of the numbers o
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NEED ANSWERS ASAP, 100 POINTS! There are twenty classes at each of two middle schools. The number of students in each class at e
DiKsa [7]

Note: You missed to add the dot plots chart. As I found the chart after a little research. Thus, I am attaching it and based on that dot plot chart I am solving the question which anyways would clear you concept.

Answer:

'There are about 2 more students in each class at Oak Middle School than at Poplar Middle School' is the correct statement.

Step-by-step explanation:

From the diagram, it is clear that

The data set containing Poplar Middle School:

20   20   20   21   21   21   21   21   22   22   22   22   22   22   22   23   23   23   23   24  

The mean of a data set is the sum of the terms divided by the total number of terms. Using math notation we have:

\mu = 435/20

  =\frac{87}{4}

   = 21.75

The data set containing Oak Middle School:

20   21   21   22   22   23   23   23   23   24   24   24   25   25   26   26   27   27   28   29  

The mean of a data set is the sum of the terms divided by the total number of terms. Using math notation we have:

\mu = 483/20

   =24.15

So, the difference in mean will be:

                                            24.15 - 21.75 = 2.4

Therefore, 'there are about 2 more students in each class at Oak Middle School than at Poplar Middle School' is the correct statement.

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2 years ago
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IrinaVladis [17]

A. 6c

B. -5c

C. -0.7c

D. 2c

Just a few you could use.

5 0
3 years ago
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