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Oksanka [162]
3 years ago
15

Help i dont understand how to multiply fractions

Mathematics
2 answers:
kati45 [8]3 years ago
8 0
<u>So, what you do is </u>
<u>numerator x numerator (top x top) =</u>
<u>and then,</u>
<u>denominator x denomiator (bottom x bottom) =</u>

<u>Hope I've helped.</u>
Nataly_w [17]3 years ago
5 0
Just multiply the tops together and the bottoms together :)
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aleksandr82 [10.1K]

Answer:

We conclude that eighty percent of bike tires last at most 14.4 months.

Step-by-step explanation:

We know that a pair of bike tires can last 18 months if used every day.

We calculate how much eighty percent of the tire will last in months.

We have the following proportion:

18:100\%=x:80\%\\\\100x=18\cdot 80\\\\100x=1440\\\\x=\frac{1440}{100}\\\\x=14.4

We conclude that eighty percent of bike tires last at most 14.4 months.

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ankoles [38]

y = mx + b, where m = slope, and b = y-intercept.

Since you are not given the y-intercept, you have to solve for it through the equation, y = (4/5)x (which is the slope you are given) + b, and replace x and y with values given, which are (-5,-3)

y = (4/5)x + b

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Then replace b in the first equation to get the answer

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3 years ago
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Alex17521 [72]

Answer:

a is -3

Step-by-step explanation:

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Tanzania [10]

The line x = -5 is a vertical line, therefore the line perpendicular to this line is the horizontal line of the form y = a.

We know that it passes through the point (1, π) → x = 1, y = π.

Therefore we have answer: A) y = π.

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