2 years ago

Explain how integers and all whole numbers are rational numbers

1 answer:

3 0

If you need help in Math get the book " How to ace math in middle school it explains every lesson" Enjoy

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A is the correct answer. Please give me brainliest

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Sidana [21]

So if boys is 6 and girls is 15 it would be 6/15, but that can be simplified to 2/5.

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3 years ago

SIZIF [17.4K]

Answer:

$x = 19$

Step-by-step explanation:

If two lines are perpendicular, they create 4 90° angles. Meaning, in this case, that m<DBC = 90 and m<DBA = 90.

We're given that m<DBE = 2x - 1 and that m<CBE = 5x - 42.

The sum of angles DBE and CBE = m<DBC = 90°

We can add the two angles and set it equal to 90 to find x

$2x - 1 + 5x - 42 = 90\\7x - 43 = 90\\7x = 133\\x = \frac{133}{7} =19$

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3 years ago

Arlecino [84]

3x - 8 = -2 |subtract 10 from both sides

3x - 18 = -12 |divide both sides by 3

x - 6 = -4

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2 years ago