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3 years ago

Will give brainliest!!! :) Thank you

Mathematics

2 answers:

Ostrovityanka [42]3 years ago

5 0

(-12) + 6/12 = 12/1 + 6/12=18/12=1 6/12 or 1/2

Ulleksa [173]3 years ago

5 0

To add the fraction, just find LCD (least Common Denominator), and then combine the two parts to get your answer which is known as 24

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Paul can type 60 words per minute and Jennifer can type 80 words per minute. How does Paul’s typing speed compare to Jennifer’s

yan [13]

I'm not certain how exactly this question is supposed to be answered.

If it wants a ratio, Paul and Jennifer's speeds would be in a ratio of 3:4.

It also could be Paul types 20 words per minute slower than Jennifer.

It could be Paul types 33% slower than Jennifer.

Another answer could be Paul's typing speed is 3/4ths of Jennifer's typing speed.

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3 years ago

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One number is 3/8 of another number. The difference of the two numbers is 4.2. What is the lesser number

boyakko [2]

Answer:

2.52.

Step-by-step explanation:

If one number is x then the other = 3x/8.

Also x - 3x / 8 = 4.2

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x = 4.2 / 0.625

x = 6.72.

So the lesser number is 6.72 * 0.375 = 2.52.

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3 years ago

Using substitution, determine the solution X=4 and. y=2x+8

nikklg [1K]

Y=2(4)+8
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2 years ago

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Let's simplify

Zielflug [23.3K]

Step-by-step explanation:

Given

$= \frac{1.5 \times {10}^{4} \times 4.5 \times {10}^{3} }{2.5 \times 10 ^{2} } \\ = \frac{6.75 \times {10}^{4 + 3} }{2.5 \times {10}^{2} } \\ = \frac{6.75 \times {10}^{7} }{2.5 \times {10}^{2} } \\ = 2.7 \times {10}^{7 - 2} \\ = 2.7 \times {10}^{5}$

Hope it will help :)

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3 years ago

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Answer:okay send me a picture of your lesson

Step-by-step explanation:

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