2 years ago

Maggie's brother is 3 years younger than twice her age. The sum of their ages is 12.

Mathematics

1 answer:

Lilit [14]2 years ago

3 0

I’d say 21 tbh unless the sum is half of the brothers age then it would be 9

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2 years ago

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In simplest radical form, what are the solutions to the quadratic equation 6 = x2 - 10x?

WARRIOR [948]

Answer:

x = $5 - \sqrt{31}$ , $5 + \sqrt{31}$

Step-by-step explanation:

6 = x^2 - 10x

0 = x^2 - 10x - 6

Let's use the quadratic formula. ( $x = \frac{-b +- \sqrt{b^2 - 4ac}}{2a}$ )

$x = \frac{10 +- \sqrt{-10^2 - 4(-6)}}{2}$

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3 years ago

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2 years ago

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Answer:

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2 years ago

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The table below gives the dimensions of a bridge and a scale model of the bridgeFind the scale factor of the model to the real b

Oksana_A [137]

The corresponding sides of the model and the actual bridge are in proportion because the two solids are similar.

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Answer: 1/5

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3 years ago