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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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Answer:

1 cubic ft can also be 1728in3, or 0.03704 yd3

Step-by-step explanation:

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In a small town, the use of coal (W in tons/per
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Answer:

i)W = 2500 / T

ii)  W = 500 Tons

iii) grad W(10°) = - 25î

iv) The formulation is not practical

Step-by-step explanation:

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As use of coal is inversely proportional to the average monthly temperature

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Then final equation is:

W = 2500 / T

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iii)

The inverse proportionality implies that W will decrease as T increase.

The vector gradient of W function is:

grad W  = DW(t)/dt î  

grad W  = - 2500/T² î

Wich agrees with the fact that W is decreasing.

And when T = 100°

grad W(10°) =  - 2500/ 100 î      ⇒  grad W(10°) = - 25î

iv) When T =  0  The quantity of coal tends to infinite and the previous formulation is not practical

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Fortnite 67Step-by-step explanation:

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I need help on this one
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Answer: 4/9

Step-by-step explanation:

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