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lara31 [8.8K]
3 years ago
5

The range of the following relation R {(3, −2), (1, 2), (−1, −4), (−1, 2)} is Your answer: {−1, 1, 3} {−1, −1, 1, 3} {−4, −2, 2,

2} {−4, −2, 2}
Mathematics
1 answer:
nalin [4]3 years ago
6 0

Answer:

The range is all the y values.

Therefore, the range is : {-4,-2,2}.....I realize choice c has all the y values listed, however, if u have repeating y values, u only have to list it once.

Step-by-step explanation:

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Answer:

Part 1) Helen's age is 32 years old and Jane's age is 24 years old

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Step-by-step explanation:

Part 1) Helen is 8 years older than Jane. Twenty years ago Helen was three times as old as Jane. How old is each now and what is the equation?

Let

x----> Helen's age

y---> Jane's age

we know that

x=y+8 ----> equation A

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substitute equation A in equation B and solve for y

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Part 2)

Let

x-----> the number of five-dollar bills

y----> the number of twenty-dollar bills

we know that

5x+20y=305 -----> equation A

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5(y-4)+20y=305

5y-20+20y=305

25y=325

y=13 twenty-dollar bills

Find the value of x

x=y-4

x=13-4=9  five-dollar bills

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Which equation represents the total price (p) paid when buying books (b) that cost $3.99 each? How much do 13 books cost?
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Answer:

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Step-by-step explanation:

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