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Elanso [62]
3 years ago
9

Does exposure to classical music (through instrument lessons or concert attendance) improve children's scholastic performance? I

n a study, researchers measured the amount of exposure to classical music for many children, along with their scores on the state's academic proficiency exam. The explanatory variable in this study is:
Mathematics
1 answer:
Anestetic [448]3 years ago
6 0
The explanatory variable is the amount of exposure the student is given to classical music.
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A total of 60 children signed up for hockey. There were 33 boys for every 11 girl who signed up. How many of the children who si
Ber [7]
Boys : Girls : Total
33 : 11 : 44

Find the simplest form:
3 : 1 : 4

Set the total to 60 ( so we multiply by 15)
3 x 15 : 1 x 15 : 4 x 15
45 : 15 : 60

Boys  = 45
Girls = 15
Total = 60

Ans: There are 15 girls that signed up
5 0
3 years ago
pe ling needs 2 yards of fabric for a craft project. she has 3 feet already.how many niches of fabric does she still need?
spin [16.1K]
2yards= 72 inches
72 inches= 6 feet

so now that you know that, you know that she needs 6 feet and already has 3 feet. so she just needs 3 feet more. but they are asking for the answer to be in inches. 

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5 0
3 years ago
Carla is age 32. how many quarters of coverage does she need to be fully insured
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7 0
3 years ago
I need help with 47 and 48 please please!
sergey [27]
48. B and 47 is out of c and b
7 0
3 years ago
What two number that are the same have the product of 0.2 and the quotient of 0.8
Pie
Let the numbers be a and b, then ab=0.2 and a/b=0.8, so a=0.8b. Therefore, 0.8b^2=0.2 and b^2=0.2/0.8=2/8=1/4 and b=+1/2 or +0.5 and a=+0.8*0.5=+<span>0.4. The two numbers are therefore 0.5 and 0.4 or -0.5 and -0.4. The quotient is 0.4/0.5</span>
3 0
3 years ago
Read 2 more answers
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