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azamat
3 years ago
15

Complete the table below to solve the equation 2.5x − 10.5 = 64(0.5x).

Mathematics
2 answers:
nydimaria [60]3 years ago
7 0

Answer:


Step-by-step explanation:

western beach:  y = -2x + 100

dunes beach : y = 5x + 20

set the equations equal to each other

-2x + 100 = 5x + 20

100 - 20 = 7x

80 = 7x

80/7 = x

x ~ 11.43 years

garri49 [273]3 years ago
4 0

Answer:

answer for f(4) is <u><em>1/2</em></u>

answer for f(x) = 4 when x is <u><em>8</em></u>

Step-by-step explanation:

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