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SashulF [63]
2 years ago
8

In a mathematic test 30 students obtained the following scores

Mathematics
1 answer:
Aleks [24]2 years ago
8 0

Answer:

a) Prepare a frequency table for the data

Step-by-step explanation:

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Evaluate the expression. Write your answer in scientific notation. (7 x 10^-3) + 0.32 – (6 x 10^-2) ​
alukav5142 [94]

Answer:

2.67*10^-1

Step-by-step explanation:

(7 x 10^-3) + 0.32 – (6 x 10^-2) ​

= -.053+.32

= .267

3 0
3 years ago
Simplify
Fofino [41]

Answer:

Step-by-step explanation:

Here you go mate

Step 1

8m+4n+7m-2n   Equation/Question

Step 2

8m+4n+7m-2n  Simplify

8m+4n+7m-2n

Step 3

8m+4n+7m-2n  Combine terms

(8m+7m)+(4n+-2n)

Step 4

(8m+7m)+(4n+-2n)  Add them

answer

15m+2n

Hope this helps

5 0
3 years ago
You have been given the following data set: 10,12,14,13,13,13,11,12,14,12. For the given data set: which is the more effective m
Ksenya-84 [330]

Answer:

The more effective way for this data set is the mean.

Step-by-step explanation:

The median required arranging the numbers in an descending-to-ascending order, and it is also preferred if the quantity of the numbers to be an odd number.

In this case, we have repeated numbers, and the quantity is even, which makes finding the median difficult.

4 0
3 years ago
A tuxedo rental shop rents tuxedos with sleeve lengths from 20 inches to 40 inches. The shop says the length of the sleeves shou
Rzqust [24]

Let the person's arm length be = x

Condition is : sleeve lengths available from 20 inches to 40 inches and the length of the sleeves should be about 1.2 times a person's arm length.

So, the inequality equation becomes:

20\leq1.2x\leq40

This gives x=\frac{20}{1.2}=16.66 or 16\frac{2}{3}

or x=\frac{40}{1.2}=33.33 or 33\frac{1}{3}

Hence, the shop does not provide tuxedos to people with arm length less than 16.66 inches and greater than 33.33 inches.

3 0
4 years ago
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Central Middle School sold 50 tickets for one night of the school play. Student tickets sold for $2 each and adult tickets sold
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35 $3 tickets and 15 $2 tickets
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