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Scorpion4ik [409]
3 years ago
13

R is inversely proportional to A. R=12 when A=1.5. work out the value of R when A=5

Mathematics
1 answer:
antiseptic1488 [7]3 years ago
4 0

Answer:R=3.6

Step-by-step explanation:

R=k/A

When R=12, A=1.5

12=k/1.5

k=1.5×12

k=18

To determine R when A =5

R=18/5

R=3.6

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We know that the amounts earned by Dawn, Doug and Dale are from the list of numbers: $9.35, $8.52 and $8.25

We also know that Dale and Doug earned close to $9.00

And that Dawn earned $1.10 less than Dale

Let the amount earned by Dale be x

⇒ Amount earned by Dawn is x - 1.1

If we notice the list of numbers, we see that $9.35 and $8.25 differ by $1.1

Hence, Dale earned $9.35 and Dawn earned $8.25

We are now left with $8.52, which should be the amount earned by Doug. This is correct, since we also know that Doug earned close to $9.

Hence, the amounts earned are:

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If c(x)=x-2 what is the value of x if c(x)=3.5
dsp73

Answer:

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