2 years ago

Nadia will be x years old y years from now. How old was she z years ago?

1 answer:

8 0

A years old. Na but are you needing an equation ?

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Vesna [10]

Given:

The cost to install x number of central air conditioning units for a company is given by the function

$C(x)=\dfrac{4000x+1300}{3}$

To find:

The cost to install 45 air conditioners.

Solution:

We have,

$C(x)=\dfrac{4000x+1300}{3}$

Putting x=45, we get

$C(45)=\dfrac{4000(45)+1300}{3}$

$C(45)=\dfrac{180000+1300}{3}$

$C(45)=\dfrac{181300}{3}$

$C(45)=60433.3333...$

$C(45)\approx 60433.33$

Therefore, the cost to install 45 air conditioners is $60433.33.

4 0

2 years ago

8090 [49]

Terra gets better gas mileage with 30mpg and Jim gets 12mpg

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2 years ago

melisa1 [442]

2nd one - y = 3/7x + 6 , hope this helps:)

3 0

2 years ago

joja [24]

Answer:

The answer would be B.

Because if you multiply all the numbers of ABC then go through the list of the A'B'C' options only B matches up

8 0

3 years ago

lbvjy [14]

I think The answer is a.59

4 0

3 years ago