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7nadin3 [17]
3 years ago
14

Justin has $7.50 more than Eva, and Emma has $12 less than Justin. Together , they have a total of 63.00. How much money does ea

ch person have?
Mathematics
1 answer:
Setler [38]3 years ago
4 0
Since no value is given to Eva, we'll call her x. Justin, then, is 7.50+x. That leaves Emma, who would be Justin (7.50+x) -12. If we add them all together we get 63. So our equation is

x + (7.50+x) + (7.50+x)-12 = 63

Combine like terms

x+x+x + 7.50+7.50-12 = 63
3x + 3 = 63
3x = 60
x = 20

Since we said Eva is x then Eva has 20 dollars.

Justin is 7.50 + x so 7.50+20=
$27.50

Emma is Justin - 12 so 27.50-12= $15.50

Let's check our answer...

15.50+27.50+20 = 63
63=63

It checks!
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erastovalidia [21]
To find the solution to the problem, we can divide the number by 1,000.
Because we're trying to find how many 1,000's are there in this 800,000.

800,000 / 1,000 = 800

There are 800 1,000's in that number.
5 0
3 years ago
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PLEASE HELP!<br><br> Solve.<br><br> (6√6)^-x+3 = 1/6 x 216^2x-3
Ksju [112]

Answer:

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Step-by-step explanation:

8 0
3 years ago
Rachel drives at a constant speed of 70 miles per hour.
marishachu [46]

The linear function that models Rachel's distance as a function of time is:

D(x) = (70 mi/h)*x

<h3>How to find a function that models Rachel's distance as a function of time?</h3>

Remember the relation between speed and distance:

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Here we know that the speed of Rachel is 70 miles per hour, then if she drives for x hours, the distance traveled will be:

D(x) = (70 mi/h)*x

So we found a linear function that models Rachel's distance as a function of time.

If you want to learn more about linear functions:

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3 0
2 years ago
Six times the sum of a number and negative four is twelve. Find the number. Round your answer to the nearest integer, if necessa
GuDViN [60]
If we call the number x, we can write an equation to solve:

6(x - 4) = 12
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So you get 6x - 24 = 12

6x - 24 = 12
+ 24
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And your final answer is 2, I hope this helps!
3 0
3 years ago
Karina and Perry are cleaning up litter in the park for community service hours. Karina and Perry both claim they have covered t
alexgriva [62]

Answer:

Perry's claim is correct while Karina is incorrect

Step-by-step explanation:

Question is incomplete (See Attachment)

First, we need to determine the area covered by Karina and Perry

For Karina, there are 9 square boxes each of which has an area of 1 unit sq

So:

Karina = 9 * 1\ unit^2

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For Perry:

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So:

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Comparing both areas, we can conclude that <em>Perry's claim is correct while Karina is incorrect</em>

7 0
2 years ago
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