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zepelin [54]
3 years ago
8

Can someone explain to me how to do this problem please?

Mathematics
2 answers:
yarga [219]3 years ago
8 0
Slope intercept form
y = mx + b

change it to standard form
ax +by = c

y = -1.7x + 8.5
1.7x + y = 8.5 

multiply 10 on both side

17x + 10y = 85

hope this help
gladu [14]3 years ago
5 0

Answer:

1.7x+y=8.5

Step-by-step explanation:

Write the equation of the given line in standard form

Standard form of the equation is Ax+By=C

y=-1.7x+8.5

To get standard form we move x terms to the left hand side

Add 1.7x on both sides

y+1.7x=8.5

The standard form of the equation is

1.7x+y=8.5

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Joe's father is 15 more than twice Joe's age. How old is Joe's father? Solve algebraically.
dalvyx [7]

Answer:

Joe's father is 45.

Step-by-step explanation:

3x-x+2=4

6 0
4 years ago
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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
3 years ago
Sebastian has 12 more trophies than Megan. Megan has t trophies. How many trophies does Sebastian have? Write your answer as an
ikadub [295]

Answer:

t + 12 = s

Step-by-step explanation:

t (Megan's trophies) + 12 = s (Sebastian's trophies)

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Let the number = x.

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11 = 4 + 3x

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x = 7/3

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Is there an ordered pair that is a solution to BOTH of
Korolek [52]

Answer:

y = -1/2 x + 6

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2x + 4y = 24

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