3 years ago

40+25 write the sum of the numbers as the product of their gcf and another sum

Mathematics

1 answer:

djverab [1.8K]3 years ago

6 0

4 is the "greatest" common factor of 40 and 44

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Wesley earned $72 walking dogs for 6 hours. How many total hours will it take Wesley to earn $96 in all? Solve using unit rates.

MissTica

8 hours

72/6=12 $12 and hour 96/12=8 8 hours to earn $96

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3 years ago

Which is the best measure of central tendency for the type of data below–the mean, the median, or the mode? explain?

nirvana33 [79]

What type of data? Usually, mean is the best representative.

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3 years ago

Draw a X over the multiples of 10. What digit do all multiples of 10 have in common?

nata0808 [166]

All multiples of 10 end in a zero besides the number zero. So 10, 20, 30 and so on....

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3 years ago

What values of y satisfy this equation? 3y - 14 = 16

TiliK225 [7]

Answer:

By making y alone

Step-by-step explanation:

3y-14=16

+14 +14

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divide 3 on both sides

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Hope this helps!

6 0

3 years ago

Use each model to predict the life expectancy of residents of a country for which the average annual income is $80,000

Mandarinka [93]

The life expectancies of residents of a country for which the average annual income is $80,000 for the three models are 12309.9352, 172.2436 and 4828.1393

The life expectancies of the models are given as:

$y =69.9352 + 0.1530\times (income)$ --- model 1

$y =4.2436 + 0.0021\times (income)$ --- model 2

$y =4.1393 + 0.0603\times (income)$ --- model 3

Given that the average annual income is $80,000;

We simply substitute 80000 for income in the equations of the three models.

So, we have:

Model 1

$y =69.9352 + 0.1530\times (income)$

$y =69.9352 + 0.1530\times 80000$

$y =12309.9352$

Model 2

$y =4.2436 + 0.0021\times (income)$

$y =4.2436 + 0.0021\times 80000$

$y =172.2436$

Model 3

$y =4.1393 + 0.0603\times (income)$

$y =4.1393 + 0.0603\times 80000$

$y =4828.1393$

Hence, the life expectancies are 12309.9352, 172.2436 and 4828.1393