Multiply. Write your answer as a fractionin simplest form. 8/15(−2/3)=

Mathematics

1 answer:

Rudiy273 years ago

7 0

Answer:

-16/45

Step-by-step explanation:

8/15 x (-2/3)

multiplying a positive and a negative equals a negative

-8/15 x 2/3

multiply the fractions

-16/45

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3 years ago

Is 0.06 greater than 0.0582

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Yes, 0.06 is greater than 0.0582.

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3 years ago

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3 years ago

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<u>By substitution method </u>

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$3x + 2y = 1 \\ 3( \frac{1 + 3y}{5} ) + 2y = 1 \\ \frac{3 + 9y}{5} + 2y = 1 \\ \frac{3 +9y + 10y}{5} = 1 \\ \frac{3 + 19y}{5} = 1 \\ 3 + 19y = (1)(5) \\ 3 + 19y = 5 \\ 19y = 5 - 3 \\ 19y = 2 \\ y = \frac{2}{19}$

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$x = \frac{1 + 3y}{5} = \frac{1 + 3 \frac{2}{19} }{5} \\ x = \frac{1 + \frac{6}{19} }{5} = \frac{ \frac{19 + 6}{19} }{5} = \frac{ \frac{25}{19} }{5} \\ x = \frac{25}{19} \div 5 \\ x = \frac{25}{19} \times \frac{1}{5} \\ x = \frac{5}{19}$