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Tpy6a [65]
3 years ago
5

What is (- 4/5) - 7/8

Mathematics
1 answer:
mixer [17]3 years ago
5 0

First, find the lowest common multiple of 5 and 8 and it is 40.

So

-32/40 - 35/40

= -67/40

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The last choice:  x = 3.

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pentagon [3]
Your answers are wrong. the function f(x) is like a factory. you put in something ( a number) and it will spit you out something else (a different number depending on the function). your function, f (x)= -2x+1

you can put anything in that function. let say k.
f(x=k) = -2k+1. you just replace the x with k.
in this particular problem they way f(-2) ,f(0), f(1) and f(2).
here are the results
f(x=-2) = f(-2) = -2×(-2)+1 =5
f(x=0) = f(0) = -2×(0)+1 =1
f(x=1) = f(1) = -2×(1)+1 =-1
f(x=2) = f(2) = -2×(2)+1 =-3
3 0
3 years ago
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