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olya-2409 [2.1K]
3 years ago
11

Suppose the relationship between x and y is proportional. When x is​ 29, y is 275.5. Find the constant of proportionality of y t

o x. Use the constant of proportionality to find x when y is 408.5. Use pencil and paper. Explain how you can tell a relationship that is proportional from a relationship that is not proportional.
Mathematics
2 answers:
belka [17]3 years ago
5 0

Step-by-step explanation:

y and x are proportional:

y = kx

When x is 29, y is 275.5.

275.5 = 29k

k = 9.5

y = 9.5x.  When y is 408.5:

408.5 = 9.5x

x = 43

A relationship that can be modeled as a line that passes through the origin (y = kx) is a proportional relationship.

Firlakuza [10]3 years ago
4 0

Answer:

answer for first is 9.5 and second is 43

Step-by-step explanation:

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