3 years ago

The sum of two numbers is 39 .one is 2 times as large as the other. what are the numbers ?

1 answer:

8 0

The larger number would be 26.

The smaller number would be 13.

They add up to 39, and 13 times 2 is 26.

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kow [346]

Answer:

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3 years ago

Bond [772]

23-9= 14
14 divide by 2 = 7
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3 years ago

ElenaW [278]

For this case we have the following system:

$y> \frac {1} {3} x + 1\\y> 2x-3$

To solve, we first change the inequality for an equality:

$y = \frac {1} {3} x + 1\\y = 2x-3$

Matching we have:

$\frac {1} {3} x + 1 = 2x-3\\\frac {1} {3} x-2x = -3-1\\- \frac {5} {3} x = -4\\\frac {5} {3} x = 4\\5x = 12\\x = \frac {12} {5}$

So:

$y = 2x-3\\y = 2 (\frac {12} {5}) - 3\\y = \frac {24} {5} -3\\y = \frac {9} {5}$

Thus, $(\frac {12} {5}, \frac {9} {5})$ is the point of intersection of the lines.

Answer:

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3 years ago

gregori [183]

Answer:

10.8

divide 9 by 5/6

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3 years ago

irga5000 [103]

Answer:

squaring the both side

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4 years ago