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3 years ago

Please help!!!!!!!!!!!!!!!!!!!!!!!!!!

Mathematics

1 answer:

tatiyna3 years ago

6 0

Through any two points there exists exactly one line.
 A line contains at least two points.
 If two planes intersect, then their intersection is a line.
I dont know if this right
☺

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Solve and check the following equation using inverse operations. -20 = 5 ( x + 1)

Alekssandra [29.7K]

First, multiply 5 • x, which is 5x. Then, multiply 5 • 1, which is 5. Now you have the equation 5x + 5 = -20. Now, subtract 5 from +5 and do the same to the -20, which gets you -25. Now divide -25 by 5, which is -5. Therefor, x= -5. Check by multiplying -5 • 5, which is -25. Then add -25 + 5, which is 20 and you now know your answer is correct.

Final Answer: x = -5

7 0

3 years ago

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According to the chart below, what percentage of Ralph’s expenses are items other than taxes?

pochemuha

Answer:

65%

Explanation:

Please, see attached the chart corresponding to this question.

The chart is a pie chart that shows the percentage composition of the expenses and uses color to identify each item.

The items corresponding to taxes are:

Federal tax: 29%
State tax: 6%

All the other expenses are not taxes.

Add the two items that are taxes: 29% + 6% = 35%.

Hence, the expenses that are not taxes can be calculated by difference:

100% - 35% = 65%.

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3 years ago

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Can someone help with this pls it’s due today

KiRa [710]

D, hope this is right! :)

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3 years ago

What is 2 to the power of -2

natka813 [3]

Answer:
0.25
explanation:

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3 years ago

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There were 36,000 hardback copies of a certain novel sold before the paperback version was issued. From the time the first paper

maria [59]

Answer: 405,000 paperback copies were sold

Step-by-step explanation: Before the paperback version of the novel was issued for sale, there were 36000 copies of the hardback copies available.

From the time the "first paperback..." version was issued and sold out, there nine times as many paperback copies as hardback copies that were sold. That is, during the period in question, for every hardback, there was an equivalent of nine paper back.

If paperback is p, and hardback is h, what we have in effect is;

Total = p + h

However, based on the information given, 1h equals 9p. If h equals 36000, then paperback equals;

9 x 36000 = 324000

Up till the last copy of the novel was sold (441000 copies were sold), 36000 hardback copies were sold and an initial 324000 paperback were also sold.

If the total units sold was given as 441000, then the equation becomes

Total = p + h + x

Where x is the extra units sold that gave rise to the total sales

441000 = 324000 + 36000 +x

441000 =360000 + x

Subtract 360000 from both sides of the equation

81000 = x

Therefore the total paperback copies that were sold is given as

324000 + 81000 = 405,000

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3 years ago

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