2 years ago

(4.27 * 10^8)(9.2 10^-5)

1 answer:

5 0

39284

this is the answer

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xz_007 [3.2K]

Answer: The correct option is

(C) y = −8 ÷ 2; y = −4.

Step-by-step explanation: We are given to select the correct steps that shows the solution to the following equation :

$2y=-8~~~~~~~~~~~~~~~~~~~~~~~~~~(i)$

We know that

the solution to the equation $ax=b,~~\textup{a,b are real numbers}$ is given by

$ax=b\\\\\Rightarrow x=b\div a.$

Therefore, the solution of equation (i) is as follows :

$2y=-8\\\\\Rightarrow y=-8\div 2\\\\\Rightarrow y=\dfrac{-8}{2}\\\\\Rightarrow y=-4.$

Thus, (C) is the correct option.

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2 years ago

andrey2020 [161]

Answer: h = 2a/b

Explanation:

$a = \cfrac{1}{2} bh$

$2a = bh$

$bh = 2a$

$h = \cfrac{2a}{b}$

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2 years ago

Evgen [1.6K]

28 tries. The ratio is 5:7, so once you multiply 5 by 4 to get 20, you do the same to 7 to get 28.

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2 years ago

MAXImum [283]

Answer:

Step-by-step explanation:

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spin [16.1K]

Answer:

Step-by-step explanation:

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2 years ago

(4.27 * 10^8)*(9.2 * 10^-5)