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borishaifa [10]
3 years ago
15

Please help me estimate the answer of 7987 divided by 39

Mathematics
1 answer:
Sauron [17]3 years ago
8 0

204.79

Step-by-step explanation:

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9. In a school, there are 120 students in a particular year group. Out of those students, 100 study
Tresset [83]
This does not make any sense I don’t know how to help you out sorry
6 0
3 years ago
A well know Statistical Institution claims that the average College tuition for a law degree costs at least thirty five thousand
kirill [66]

Step-by-step explanation:

Below are the null and alternative Hypothesis,

Null Hypothesis, H0: μ = 35000

Alternative Hypothesis, Ha: μ < 35000

Test statistic,

z = (xbar - mu)/(sigma/sqrt(n))

z = (33450 - 35000)/(5978/sqrt(50))

z = -1.83

P-value Approach

P-value = 0.0336

As P-value >= 0.02, fail to reject null hypothesis.

There is not sufficient evidence to conclude that the average College tuition for a law degree costs at least thirty five thousand dollars.

4 0
3 years ago
Pleaseee helppppppppp​
aleksandr82 [10.1K]

Answer:

y is just being multiplyed by -4 :)

Step-by-step explanation:

in other words -4x

3 0
2 years ago
Read 2 more answers
1. Choose the correct simplification of the expression −5x2(4x − 6x2 − 3).
nlexa [21]
1) <span>30x4 − 20x3 + 15x2

This is the answer to 1. Don't forget to rearrange the terms in ascending order. That can trip people up. 

2) </span><span>x3 + 8x2 + 13

Don't forget to check the terms sign. The subtraction symbol switches them all. </span>
6 0
3 years ago
Suppose that 13 inches of wire cost 39 cent how much would 8 inches cost
Feliz [49]

Answer:

24 cent

Step-by-step explanation:

If 13 inches of wire cost 39 cent.

We have to calculate how much 1 inch of wire would cost first, before determining the cost of 8 inches of wire.

If 13 inches of wire costs 39cents, Then 1 inch of wire would cost 3 cent.

That is 39/13, which gives 3.

If 1 inch of wire cost 3 cents. Two inches of wire would cost 6 cents we 3 inches of wire costs 9 cents.

To get the cost of 8 inches of wire, we therefore multiply 8 by 3, which gives 24.

8 inches of wire costs 24 cents.

7 0
3 years ago
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