Eric plays piano and guitar. he practice on both instruments for 8 hours this week. he practiced a piano for 3/4 of that time. for how many hours did eric practice the piano this week ?

6 hours

Step-by-step explanation:

To answer this, mult. "8 hours total" by the fraction (3/4):

(3/4)(8 hours) = 6 hours.

Eric practiced piano for 6 hours this week.

f(x) has value 150 at x= 0

and 0 at x= 3

so d(f(x))/dt = slope = -150/3 = -50

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step-by-step explanation: