2 years ago

What multiples to give you -30 and adds to give you -13

Mathematics

1 answer:

vekshin12 years ago

6 0

Answer:

This is impossible

Step-by-step explanation:

But try -10x-3=30 -10+-3=-13

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6/11 of students are at a school are girls . If there are 1309 students at the school , how many are boys

Alexandra [31]

There are 714 boys in that school, you can cross multiply and divide to find the answer, if you wanna check. The way I wrote it was x (boys) / 1309 = 6/11.

3 0

3 years ago

Please help I give you 30 points

valentinak56 [21]

Answer:

The last one, 14 3/4

Step-by-step explanation:

I hope this helped :)

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2 years ago

a. If a rabbit can move 7/5 miles every hour, then how many hours would it take for a rabbit to go 7 miles?

sergeinik [125]

5 hours because 7/5 *5/1=35/5 and 35 divided by 5 equals 7

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3 years ago

N/4 -14=10<br> what is n?

mrs_skeptik [129]

Answer:

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Step-by-step explanation:

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3 years ago

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28)A regression equation is obtained for a collection of paired data. It is found that the total variation is 24.488, the explai

Doss [256]

Answer: The coefficient of determination = 0.6291

Step-by-step explanation:

Given: Total variation is 24.488, the explained variation is 15.405, and the unexplained variation is 9.083.

The coefficient of determination is computed as:

$\text{ coefficient of determination} =\frac{\text{explained variation }}{\text{total variation}}$

Substituting given values, we get

$\text{coefficient of determination} =\frac{15.405}{24.488}$

$=0.6291$

Therefore, the coefficient of determination = 0.6291

7 0

2 years ago