3 years ago

A scale drawing has a ratio of 1:75 what does this ratio mean

Mathematics

1 answer:

jenyasd209 [6]3 years ago

8 0

Answer:

it means it could be this 1/75 or 1 to 75

Step-by-step explanation:

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Graphing inequalities

dem82 [27]

There are three steps:
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3.)Shade above the line for a "greater than" (y> or y≥) or below the line for a "less than" (y< or y≤).

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4 years ago

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Step-by-step explanation:

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3 years ago

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Solve the inequality. –5r+3≥-2

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Answer:

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3 years ago

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3 years ago

10. Simplify the rational expression by rationalizing the denominator. 3 sqrt 160/sqrt 1350x A) 2 sqrt 15x/15x B) 3 sqrt 160/135

Viefleur [7K]

The simplified expression by rationalizing the denominator is (C) $\frac{4 \sqrt{15x} }{15x}$ .

First we must simplify the expression:
$\frac{3 \sqrt{160} }{\sqrt{1350x} } = \frac{12 \sqrt{10} }{15 \sqrt{6x} } = \frac{4 \sqrt{10} }{5 \sqrt{6x} }$

Then we factor the rational parts and cancel it out:
$\frac{4 \sqrt{2} \sqrt{5} }{5 \sqrt{2} \sqrt{3x} } = \frac{4\sqrt{5} }{5\sqrt{3x} }$

Then we rationalize the expression:
$\frac{4\sqrt{5} }{5\sqrt{3x} } * \frac{\sqrt{3x} }{\sqrt{3x} } = \frac{4 \sqrt{15x} }{5*3x} = \frac{4 \sqrt{15x} }{15x}$

Finally, the simplified expression by rationalizing the denominator is (C) $\frac{4 \sqrt{15x} }{15x}$ .

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3 years ago