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2 years ago

10. During the hockey season, Elena

Mathematics

1 answer:

Debora [2.8K]2 years ago

7 0

Answer:

Step-by-step explanation:

If I remember expanded form is putting all number in terms of being times 10 to a power. starting with the ones place it's x10^0 which of course is just 1, so you don't need to include the x10 at all.

now, moving one either way that 0 either get 1 added to it or subtracted. So in the 10s place it becomes x10^1 and the tenths place becomes x10^-1. Similarly the hundreds place and hundreths place will have x10^2 and x10^-2 respectively. So keep this pattern going to find each place of the number. Can you list out what places are displayed in 5.625?

I will get you started, but let me know if you don't quite get it.

5 + 6*10^-1 + ...

Can you figure out the rest?

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Consider the following least squares specification between test scores and the student - teacher ratio: TestScore = 557.8 + 36.4

GenaCL600 [577]

Answer:

$Test score_i= 557.8 +36.42 Income$

If we increase the income by 1% that means that the new income would be 1.01 the before one and if we replace this we got:

$Test score_f = 557.8 + (36.42* 1.01 Income)= 557.8 +36.7842 Income$

And the net increase can be founded like this:

$Test score_f -Tet score_i = 557.8 +36.7842 Income- [557.8 +36.42 Income] = 36.7842 Income -36.42 Income = 0.3642$

So then the net increase would be:

C. 0.36 points

Step-by-step explanation:

For this case we have the following linear relationship obtained from least squares between test scores and the student-teacher ratio:

$Test score_i= 557.8 +36.42 Income$

If we increase the income by 1% that means that the new income would be 1.01 the before one and if we replace this we got:

$Test score_f = 557.8 + (36.42* 1.01 Income)= 557.8 +36.7842 Income$

And the net increase can be founded like this:

$Test score_f -Tet score_i = 557.8 +36.7842 Income- [557.8 +36.42 Income] = 36.7842 Income -36.42 Income = 0.3642$

So then the net increase would be:

C. 0.36 points

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+ 2 + 2
--------------------
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