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2 years ago

HURRY!!!:) Find the sum of (7x+4) and the opposite of 7x.

Mathematics

1 answer:

jeka57 [31]2 years ago

7 0

Answer:

Step-by-step explanation:

Sum of (7x+4) and the opposite of 7x:

7x + 4 + (-7x) =
7x + 4 - 7x =
4

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A loss of 10 pounds, can u help me please

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3 years ago

Phi 103 week 5 quiz up to 80% of doctors endorse this project uses which rhetorical device

Helga [31]

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3 years ago

The price of gold is often reported per ounce. At the end of 2005, this price was $513. At the end of 2015, it was $1060. By wha

erastova [34]

Answer:

106.63%.

Step-by-step explanation:

We have been given that at the end of 2005, this price was $513. At the end of 2015, it was $1060.

To find the percentage of the price per ounce of gold increase we will use % increase formula.

$\text{Percent Increase}=\frac{\text{Final value-Initial value}}{\text{Initial value}}\times 100$

Let us substitute our given values in above formula.

$\text{Percent Increase}=\frac{1060-513}{513}\times 100$

$\text{Percent Increase}=\frac{547}{513}\times 100$

$\text{Percent Increase}=1.0662768031189084\times 100$

$\text{Percent Increase}=106.62768031189084\approx 106.63$

Therefore, the price of per ounce of gold increased by 106.63%.

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2 years ago

The additive inverse of 10 is -17. If 10 + (-17) = 0, then the numbers are additive inverses. True or False?

Vesnalui [34]

Answer:

False

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2 years ago

Create a verbal expression with the equation 7(2j + 3 + 2j).

mr_godi [17]

Answer:

28j+21

Step-by-step explanation:

remember to isolate the variable. in this case it would be j. after you do that it should be pretty simple

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2 years ago