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Serggg [28]
3 years ago
13

A study showed that the relationship between the number of years a person smokes and the cost of their health care during their

adult lifetime can be modeled by the equation
y = 4000x + 400,000, where x is the number of years smoking and y is the cost of health care in dollars.

Which of these statements is true according to the model?

Mathematics
2 answers:
Nataliya [291]3 years ago
4 0
Answer is 100% B

You should get it right
VLD [36.1K]3 years ago
3 0

Answer:

B

Step-by-step explanation:

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Factor<br> 1 out of -x +6<br> The factored expression is
lana [24]

Answer:

6+f=21

Step-by-step explanation:

5 0
3 years ago
Work out the sum of 1 4 , 4 8 and 2 3 . Give your answer as a mixed number in its simplest form
belka [17]

Answer:

1 2/3

Step-by-step explanation:

Given :

Find the sum of 1/2, 4 /8 and 2 /3

1/2 + 4/8 + 2/3

L.c.m = 24

(12 + 12 + 16) / 24

40 / 24

= 1 16/24

= 1 2/3

6 0
3 years ago
place the following steps in order to complete the square and solve the quadratic equation, x^2-6x+7=0
MatroZZZ [7]
We have that
x²<span>-6x+7=0
</span>Group terms that contain the same variable
(x²-6x)+7=0
Complete the square  Remember to balance the equation
(x²-6x+9-9)+7=0
Rewrite as perfect squares
(x-3)²+7-9=0
(x-3)²-2=0
(x-3)²=2
(x-3)=(+/-)√2
x=(+/-)√2+3

the solutions are
x=√2+3
x=-√2+3



4 0
3 years ago
Estimate by rounding to the nearest whole number 15-1/4 -4/5
Marizza181 [45]
If you do the math you get 13.95 meaning the nearest whole number would be 14
5 0
3 years ago
Simplify the first expression 5(m+1)-1=
Olegator [25]

Answer:

-0.8/ -4/5

Step-by-step explanation:

5(m+1) -1 = 0

5m +5 -1 = 0

5m +4 =0

5m= -4

m= -4/5

8 0
3 years ago
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