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saul85 [17]
3 years ago
7

Is a graph a proportional​

Mathematics
2 answers:
Bogdan [553]3 years ago
8 0

Answer:

How to tell the difference: A proportional graph is a straight line that always goes through the origin. A non-proportional graph is a straight line that does not go through the origin.

Step-by-step explanation:

xxTIMURxx [149]3 years ago
4 0
If the relation is proportional, the graph will form a straight line that passes through the origin hope this helps!
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Answer:

B) Jack biked 5 miles in 25 minutes and 8 miles in 40 minutes.

Step-by-step explanation:

we know that

A relationship between two variables, x, and y, represent a proportional variation if it can be expressed in the form y=kx

The ratio between the two variables is a constant called constant of proportionality k

k=y/x

<u><em>Verify each case</em></u>

A) Julie sold 4 necklaces for $12 and 9 necklaces for $25.

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Multiply in cross

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B) Jack biked 5 miles in 25 minutes and 8 miles in 40 minutes.

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Multiply in cross

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Is true

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\frac{24}{6}=\frac{46}{9}

Multiply in cross

24(9)=46(6)\\216\neq276

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therefore

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D) Allie put 14 pieces of candy in 2 bags and 30 pieces of candy in 4 bags

\frac{14}{2}=\frac{30}{4}

Multiply in cross

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7 0
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E' : (2, 3)

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Step-by-step explanation:

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