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natali 33 [55]
3 years ago
14

Harry wanted to know the amount of hours that his classmates spent doing homework on any given

Mathematics
1 answer:
Svetllana [295]3 years ago
3 0

Answer:

1.25

Step-by-step explanation:

Hopefully that's right. It's a bit hard to see separation

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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:

<u>Model 1</u>

y =69.9352 + 0.1530\times (income)

y =69.9352 + 0.1530\times 80000

y =12309.9352

<u>Model 2</u>

y =4.2436 + 0.0021\times (income)

y =4.2436 + 0.0021\times 80000

y =172.2436

<u>Model 3</u>

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
2 years ago
Compare the equation, y = 9x - 4x2, the graph below, and the table below. Which has the steepest rate of change from x = 1 to x
jeka57 [31]
The correct answer to this question is  C. equation, –3

The equation is 
<span>y = 9x - 4x^2
</span>y = -4x^2 + 9x
y = -x(4x - 9)

The steepest rate of change from x = 1 to x =2

x = -1 ; y = 0
x = 1 ; y = 2
x = 2 ; y = 0
x  =3 ; y = -4

So, based from the table show, the steepest rate of change is <span>C. equation, –3</span>
4 0
3 years ago
A large garden has a set of underground sprinklers. Suppose the center of the garden is located at the origin of a grid with int
Klio2033 [76]

Answer:

D

Step-by-step explanation:

Got it right edge2021

4 0
3 years ago
Read 2 more answers
CAN SOMEONE HELP ME PLEASE ASAP!?
Liono4ka [1.6K]

Answer:

True

Have a good day

4 0
2 years ago
How many proportional relationships are shown in the coordinate plane below?
aev [14]

Answer:

C: 2

Step-by-step explanation:

{ \purple{purple \: line}} \:  \: and \:  \: { \green{green \: line}}

3 0
3 years ago
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