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Marianna [84]
2 years ago
6

Is 3/7 and 10/21 proportional ? 15 points

Mathematics
1 answer:
Ksenya-84 [330]2 years ago
4 0

Answer:

NOT proportional.

Step-by-step explanation:

Get a common denominator of 21 by multiplying 7 and 3 by 3.

\frac{3}{7}(\frac{3}{3})=\frac{9}{21}

When both fractions have the same denominator, their numerators are different. Therefore, they are NOT proportional.

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Step-by-step explanation:

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No, it is not possible for Eric to have spent 35 minutes playing basketball if he plays for a total of exactly 95

<h3>How to form a linear equation</h3>

Let the time taken to play basketball be "x"

Let the time taken to play volleyball be "y"

According to the information given, Eric plays basketball and volleyball for a total of 95 minutes every day, then;

x + y = 95

If he plays basketball for 25 minutes long, then;

x = 25

The pair of linear equations that represents the statement are:

x  + y = 95
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The time it takes Eric to play volleyball every day is expressed as:

y = 95 - x

y = 95 - 25

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No, it is not possible for Eric to have spent 35 minutes playing basketball if he plays for a total of exactly 95

Learn more on linear equations here: brainly.com/question/14323743

3 0
2 years ago
Evaluate the function f(x)=4•7^x for x=-1 and x2 show your work
boyakko [2]
When you evaluate the function f (x) = 4 • 7 ^ x for x = -1 you get:
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 f (2) = 4 * 7 ^ (2)
 f(2) =4*49
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The slope is 10. For every 1 increase in x, y increases by 10.
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16/10
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