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lana [24]
3 years ago
6

The larger of two numbers is eight more than twice the smaller. The sum of the numbers is 10 less than three times the larger. F

ind the numbers.
Mathematics
1 answer:
Alinara [238K]3 years ago
3 0

Answer:

-2 and 4

Step-by-step explanation:

Let's set the larger number to x, and the smaller to y. With these, we can set up our equations.

x = 2y + 8

x + y = 3x - 10

Now, we put the value of x into the second equation.

2y + 8 + y = 3(2y + 8) - 10

Now we can solve for y

3y + 8 = 6y + 24 - 10

3y + 8 = 6y + 14

8 = 3y + 14

-6 = 3y

-2 = y

Now that we have the smaller number, we can put it into the first equation and solve for the larger.

x = 2*-2 + 8

x = -4 + 8

x = 4

So your two numbers are -2 and 4.

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3 years ago
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3 years ago
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Jennifer made 5 Liters of punch for her party. Her brother made another 750 milliliters if they combine the two batches how many
tia_tia [17]

Answer:

Step-by-step explanation:

The total amount of punch that Jennifer made for her party is 5 Liters. Her brother made another 750 milliliters.

1000 milliliters = 1 liter

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If each interior angle of a regular polygon measures 168º, how many sides does the polygon have?
Likurg_2 [28]

Answer:

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Step-by-step explanation:

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2 years ago
The sum of two numbers is 39. Their difference is 21. What are the two numbers?
mrs_skeptik [129]

Answer:

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Step-by-step explanation:

x+y=39 , x-y=21

Solve for x:

x+y=39 , x-y=21

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Substitute x with 30:

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