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serious [3.7K]
3 years ago
14

A study attempts to examine whether watching a lot of television or playing a lot of video games will have a detrimental effect

on a child's academic success at school and/or their success at sports. he experiment is conducted on the basis that the age of the child will be important in determining this effect but the gender of the child will not. Select all the elements that are FACTORS of this experiment:
a. age of the child
b. gender of the child
c. time spend reading books over a year
d. time spent playing video games over a year
e. success at sports
f. academic success at school
g. time spent watching television over a year
Mathematics
1 answer:
svp [43]3 years ago
7 0

Answer : A,D,G

Step-by-step explanation:

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The volume of a rectangular pyramid is 900 cubic centimeters.It has a length of 10 centimeters and a width of 9 centimeters. Wha
MariettaO [177]
The height of a rectangular pyramid is 30 cm.

volume of rectangular pyramid = (length x width x height) / 3

Given: 
Volume = 900 cm³
Length = 10 cm
Width = 9 cm
Height = ?

V = lwh/3
900 cm³ = (10cm * 9cm * h)/3
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to check:
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3 0
3 years ago
A local bakery sells cookies for 5.50 per pound and brownies for 7.50
uysha [10]

Answer:

I may be wrong but i think the answer is D

Step-by-step explanation:

We know that y=10, so if we were to multiply 10 by 7.50, it would be 75, not 63, so A and B wouldn't be correct. and we don't know the value of x, so I think D is the best answer.

6 0
3 years ago
If you could help I would really appreciate it, but if not that’s fine. Thank you.
Kobotan [32]
Since 7 is greater than 5, you input it into the last equation.

2•(7) -7
14-7
7

The answer is 7!
3 0
2 years ago
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