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sveta [45]
3 years ago
10

A student finished 8 of her homework problems in class. If the ratio of problems she finished to problems she still had left was

4:1, how many homework problems did she have total?
Mathematics
1 answer:
nirvana33 [79]3 years ago
5 0

Answer:

10

Step-by-step explanation:

8/4*5=10

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3/8 & 4/8

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mamaluj [8]

Answer:

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Step-by-step explanation:

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3 0
3 years ago
What is the explicit equation for f(0)=8; f(×)=f(×-1)*3
andriy [413]

Hello from MrBillDoesMath!

Answer:

f(x) = 8 * 3^x


Discussion:

x = 0:      f(x) = 8

x = 1:       f(1) = f(0) * 3 = 8*3

x = 2:      f(2) = f(2-1)*3 = f(1) * 3 = (8*3)*3 = 8 * 3^2

x=3 :       f(3) = f(3-1)*3 = f(2)*3 = (8 * 3^2) * 3 = 8 * 3^3

Based on this we guess that

f(x) = 8 * 3^x


Thank you,

MrB

4 0
3 years ago
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