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2 years ago

What is the answer to -12= x -5?

Mathematics

2 answers:

Novosadov [1.4K]2 years ago

5 0

Answer:

x = -7

Step-by-step explanation:

1. Write the equation.

-12 = x - 5

2. Since 5 is negative and we want to leave <em>x</em> by itself, add 5 to both sides. Adding 5 with cancel out the -5.

-12 +5 = x -5 +5

3. When you add +5 to -12, the equation you are left with will be:

-7 = x

Hope this helps :)

AVprozaik [17]2 years ago

4 0

Answer:

Step-by-step explanation:

-12 = x-5

5-12 = x -5 + 5

-7 = x

there you go :)

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What will be the result of substituting 2 for x in both expressions below?

den301095 [7]

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3 years ago

A conservative estimate of the number of stars in the universe is 6 x 10^22. The average human can see about 3,000 stars at nigh

Ilia_Sergeevich [38]

$2 \times 10^{19}$ times more stars are there in universe compared to human eye can see

<h3><u>Solution:</u></h3>

Given that, conservative estimate of the number of stars in the universe is $6 \times 10^{22}$

The average human can see about 3,000 stars at night with only their eyes

To find: Number of times more stars are there in the universe, compared to the stars a human can see

Let "x" be the number of times more stars are there in the universe, compared to the stars a human can see

Then from given statement,

$\text{Stars in universe} = x \times \text{ number of stars human can see}$

<em><u>Substituting given values we get,</u></em>

$6 \times 10^{22} = x \times 3000\\\\x = \frac{6 \times 10^{22}}{3000}\\\\x = \frac{6 \times 10^{22}}{3 \times 10^3}\\\\x = 2 \times 10^{22-3}\\\\x = 2 \times 10^{19}$

Thus $2 \times 10^{19}$ times more stars are there in universe compared to human eye can see

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3 years ago

Chad has a rope that is 8 yards long. How many pieces of rope measuring 4/7 of a yard can he divide his rope into?

statuscvo [17]

Answer:

Step-by-step explanation:

Your answer is 28 because 4/7 turn it to a decimal and then divide 8 from it and that is how you get your answer 28.

Hope this helps:)

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2 years ago

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leva [86]

Answer:

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Step-by-step explanation:

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Vaselesa [24]

Answer:

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Step-by-step explanation:

180 = 15g + 18 +3g; combine like terms

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162 = 18g; divide 18 on both sides

g = 9

plug in: 15(9) + 18 = 153

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2 years ago