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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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Which would be the best name for a function that takes the time of day and returns the numbers of coffee sold at a coffee shop?
konstantin123 [22]

Answer:

Coffee(time)

Step-by-step explanation:

A function's output variable will be:

output(input)

So we need to find the input variable and the output variable.

We know that when the time of day changes, we get a certain amount of coffee sold. This means that the amount of coffee sold is directly influenced by the time of day.

The time of day then becomes our input as the coffee sold relies on that number.

That leaves coffee sold as our output!

So the best name for a function in this scenario is Coffee(time).

Hope this helped!

3 0
3 years ago
Ellie is an African elephant. When she was born, she weighed about 200 pounds. As an adult, she weighs 7 tons! How many pounds d
wariber [46]

Answer:

13,800 pounds

Step-by-step explanation:

one ton = 2000 pounds

7 tons = 14,000 pounds

14,000 - 200 = 13,800 pounds

5 0
3 years ago
10. If $5000 is invested in an account that compounds interest
Varvara68 [4.7K]

Answer:

5000 \times  {1.075}^{10}  = 10305.16

6 0
3 years ago
The line contains the point (-2,-5) and is parallel to 2x-3y = 9.<br> What’s the equation
Karolina [17]

Answer:

y=(2x/3)-(11/3)

Step-by-step explanation:

https://www.emathhelp.net/calculators/algebra-1/parallel-and-perpendicular-line-calculator/

7 0
3 years ago
Find the distance between each pair of points
algol [13]

Answer

\sqrt{34}

Step-by-step explanation

You would use the pythagorean theorem for this problem. The point on the y-axis is 5 away from (0,0). The point on the x-axis is 3 away. You would square these, leading from

5+3 to

25+9=\sqrt{34}

Answer is \sqrt{34}.

7 0
3 years ago
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