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4 years ago

Round 8,679 to the nearst hundred

Mathematics

2 answers:

BlackZzzverrR [31]4 years ago

8 0

Answer:

9,000

Step-by-step explanation:

i rounded

Murljashka [212]4 years ago

4 0

Answer:

8700

Step-by-step explanation:

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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

Read more about linear models at:

brainly.com/question/8609070

4 0

3 years ago

Please help, due tomorrow. will give brainlist

Tatiana [17]

Step-by-step explanation:

By Remainder Theorem, f(5) = 91.

=> (5)³ - 4(5) + k = 91

=> 125 - 20 + k = 91

=> 105 + k = 91

=> k = -14.

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3 years ago

Suppose the professor decides to grade on a curve. If the professor wants 2.5% of the students to get an A, what is the minimum

Fed [463]

It depends on how well the rest of the class does. A safe bet is usually a 93 for an A.

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3 years ago

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Pavlova-9 [17]

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3 years ago

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faust18 [17]

Answer:

3/18

Step-by-step explanation:

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