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Scorpion4ik [409]
1 year ago
5

Simplify (-1 1/2) ÷ 3/4 x -2/3

Mathematics
1 answer:
Goryan [66]1 year ago
8 0

Answer:

Step-by-step explanation:

1\frac{1}{2}=1×\frac{2}{2}, +\frac{1}{2}

(-\frac{3}{2})÷\frac{3}{4}×(-\frac{2}{3})

\frac{3}{2}×\frac{4}{3}×\frac{2}{3}

\frac{1}{2}×4×\frac{1}{3}

4×\frac{1}{3}=\frac{1}{3}+\frac{1}{3}+\frac{1}{3}+\frac{1}{3}

=\frac{4}{3}

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a) These angles add up to 180:

2x + x + 30 = 180  ⇒  3x + 30 = 180  ⇒  3x = 150  ⇒  x = 50

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