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ladessa [460]
3 years ago
13

What is the answer to this question 4(5x+30)=100?

Mathematics
1 answer:
Over [174]3 years ago
4 0

Answer: x = -1

Step-by-step explanation: To solve this equation, we start by distributing the 4 through the parentheses on the left side.

So we have 4 times 5x which is 20x and 4 times 30 which is 120.

So our equation now reads 20x + 120 = 100.

Solving from here, we subtract 120 from both sides of the equation and we have 20x = -20 and dividing both sides by 20, we find that <em>x = -1</em>.

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3 years ago
The width of a human hair is 2 x 10-5 meters. The width of a piece of sand is 1.5 x 10¹ meters.
Elena L [17]

The difference in the widths, in meters, of the human hair and the piece of sand is 1.4998*10^{-1} m.

It is given in the question that:-

Width of a human hair = 2*10^{-5} m

Width of a piece of sand = 1.5*10^{-1}m

We have to find the difference in the widths, in meters, of the human hair and the piece of sand.

We know that,

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Hence, we can write,

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We can write,

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Hence,

Difference between the widths =

15000*10^{-5} - 2*10^{-5}= 14998*10^{-5} = 1.4998*10^{-1} m

To learn more about Width, here:-

brainly.com/question/17156323

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8 0
2 years ago
What number must be distributed in the following equation?
allochka39001 [22]

Answer:

-6

Step-by-step explanation: -6 is your answer because it’s outside of the parenthesis

8 0
3 years ago
Read 2 more answers
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