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Y_Kistochka [10]
3 years ago
15

The equation y = 1.55x + 110,419 approximates the total cost, in dollars, of raising a child in the United States from birth to

17
years, given the household's annual income, X
Approximately how much would it cost to raise a child from birth to 17 years in a household with an annual income of $54,000?
$83,700
$191,419
$194,119
$196,316
HELP please I’ll make u the brainliest if right
Mathematics
1 answer:
Rufina [12.5K]3 years ago
4 0

Answer:

194119

Step-by-step explanation:

well, just plug in your number!

y = 1.55*54000 + 110419

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Triangle ABC is similar to triangle DEF.
valina [46]

Step-by-step explanation:

angle B = angle E

angle C = angle F

AC= DF

BC = EF

7 0
3 years ago
Brass is made from a mixture of copper and other elements. a mixture that is 80% copper is combined with a mixture that is 60% c
algol [13]

The equation that can be used to find x, the amount of the 60% mixture used to create the 65% mixture is:

0.60*x + 0.80*(100 - x) = 0.65*(100).    

<h3>Which equation we should use?</h3>

First, let's define two variables:

  • x = pounds of the 60% copper brass.
  • y = pounds of the 80% copper brass.

We know that we want to make 100 lb of 65% copper brass, then we must have that:

x + y = 100

And the percentage of copper before and after mixing must be the same, so we can write:

0.60*x + 0.80*y = 0.65*(x + y).

(where the percentages are written in decimal form).

Then we have a system of equations:

x + y = 100

0.60*x + 0.80*y = 0.65*(x + y).

To get a single equation, we can isolate the variable "y" on the first equation:

y = 100 - x

Now we replace that in the other equation:

0.60*x + 0.80*(100 - x) = 0.65*(100).      

This is what we wanted to get, an equation that can be used to find x, the amount of the 60% mixture used to create the 65% mixture.

If you want to learn more about systems of equations:

brainly.com/question/13729904

#SPJ1

4 0
2 years ago
HELLLLLLLLLLLLLLLLLLLLLLLP PLEASEEEEEEEEEEEEEEEEEEE HELLLLLLLLLLLLLLLLLLLLLLP PLEASEEEEEEEEEEEEEEEE
natali 33 [55]

Answer:

$333.33

Step-by-step explanation:

This question is a little bit confusing, but I am assuming you mean to say that the 72% of the total pay, which is the amount he took home, is $240. So, then you can set up a proportion to solve the problem.


72\frac{72}{100} = \frac{240}{x}

Then, you multiply the proportion out, getting 72x = 240*100

multiply the right side out and then divide by 72 to get $333.33

4 0
3 years ago
Please help. Thank you
shepuryov [24]

complementary is 90 degrees. so, you combine like terms.

7 0
3 years ago
Jared was traveling at 50 miler per hour. He traveled 140 miles. How long did it take him to get there?
Advocard [28]

Answer:

2,8h (2h and 47 minutes aprox.)

Step-by-step explanation:

5 0
3 years ago
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