3 years ago

A boy is x Years old his sister is 4 years older if the sum of their ages is 18 what is his age

1 answer:

8 0

The answer would be 14 because 14+4 equals 18

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Vilka [71]

Answer:

$x\geq -\frac{3}{4}$

Step-by-step explanation:

$-8x+5\leq 11\\\\1. -8x\leq 11-5\\ -8x\leq 6$

Isolate the parts of the equation with the x variable

$2. \frac{-8}{-8} x\geq\frac{6}{-8} \\x\geq -\frac{3}{4}$

When you divide or multiply by a negative number in inequalities, you must flip the sign of the inequality.

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wariber [46]

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irina1246 [14]

Diameter is the answer

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BlackZzzverrR [31]

The answer is true because they both have the 90 degree box and a mark in the line indicating they are the same length.

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dolphi86 [110]

It would be 55 at the most

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3 years ago

A boy is x Years old his sister is 4 years older if the sum of their ages is 18 what is his age​