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kumpel [21]
2 years ago
11

How can i find values if h(-4) h(x)=1/2x-1???

Mathematics
1 answer:
anzhelika [568]2 years ago
6 0

plug in -4 in for x. then solve.

h(-4)=1/2(-4)-1

h(-4)= -3

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Step-by-step explanation:

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3 years ago
A storekeeper has two kinds of flour, one selling for 65 cents per pound, and the other selling for 95 cents per pound. How many
Murrr4er [49]

Answer:

The amount of 65 cents per pound flour to use is 40 pounds and the amount of 95 cents per pound flour to use is 60 pounds

Step-by-step explanation:

Let

x ----> amount of 65 cents per pound flour to use

y----> amount of 95 cents per pound flour to use

we know that

x+y=100 ----> y=100-x ----> equation A

0.65x+0.95y=0.83(100) ----> equation B

substitute equation A in equation B

0.65x+0.95(100-x)=0.83(100)

Solve for x

0.65x+95-0.95x=83

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0.30x=12

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Find the value of y

y=100-40=60\ lb

therefore

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