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anygoal [31]
3 years ago
6

Raj polled 100 students in his class to compare the number of hours that teen boys and girls played video games each week. The r

esults of his survey are shown below. Which statement about his data sets is true?
A-The average boy plays 8.5 hours more per week than the average girl.
B-The average boy plays 2 hours more per week than the average girl.
C-The average boy plays the same amount of time per week as the average girl.
D-The average boy plays 6 hours more per week than the average girl.
Mathematics
2 answers:
netineya [11]3 years ago
8 0
I think the answer would be C
antoniya [11.8K]3 years ago
7 0

Answer:

a

Step-by-step explanation:

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3 - 2(b - 2) = 2 - 7b<br> b =<br><br><br> Please show work
Firdavs [7]
3- 2b +4 = 2-7b
3+4 = 2 - 5b
7 = 2 -5b
5 = -5b
-5b /-5 = -1
b = -1
5 0
3 years ago
After an importer paid 30% of the cost of an item in taxes and $65.00 for freight charges, the total bill was $520.00. The cost
Marianna [84]

Step-by-step explanation:

let the cost of the item be y

for taxes

30%of y

30/100×y=3y/10

=0.3y

freight charges =65

total =520

0.3y+65=520

0.3y=520-65

0.3y=455

y=455/0.3

y=$1516.7

y≈$1517

7 0
3 years ago
Simplify this expression<br> 4x(7x^2)<br> A 11x^2<br> B. 28x^2<br> C. 11x^3<br> D. 28x^3
slega [8]

Answer:

28 x^3

Step-by-step explanation:

4x(7x^2)

4 * x* 7* x*x

4*7   x*x*x

28 x^3

7 0
3 years ago
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Fed [463]
A parallel line must have the same slope. The only one it can be is A
6 0
2 years ago
Determine the value of y, if x is 7.<br> y = x2 - 1
ddd [48]

Answer:

13

Step-by-step explanation:

If x is 7, then 7 * 2 = 13, and 14 - 1 = 13.

Hope that this helps!

4 0
3 years ago
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