4 years ago

The equation y = 7x represents a proportional relationship. What is the constant of proportionality?

Mathematics

1 answer:

Assoli18 [71]4 years ago

3 0

Answer: c. 7

Step-by-step explanation: it’s 7. I got that answer

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Answer:

AE = 15 cm; ED = 18 cm; AD = 15 cm (given)

Step-by-step explanation:

ΔBEC ~ ΔAED so ...

AD/BC = AE/BE = (BE+AB)/BE = 1 + AB/BE

Substituting given numbers (lengths in centimeters), we have ...

15/10 = 1 + 5/BE

1/2 = 5/BE

BE = 10

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CE = 12

Then the unknown sides are ...

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