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olga55 [171]
3 years ago
13

Is the following relation a function?

Mathematics
1 answer:
4vir4ik [10]3 years ago
3 0
It is a function because when the x’s repeat then it's a none function
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x over 5 becuase the top and bottom are both divisible by 8 so you do that.

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120/1500=x/100, x=8

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AlekseyPX
First you must distribute the 1/4 to get
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2 years ago
A circular running track is 1/2 mile long. Elena runs on this track completing each lap in 6 minutes how long will it take Elena
Rainbow [258]

Answer:

36 mins

Step-by-step explanation:

0.5 miles/6 mins = 3 miles/x mins

In order to convert the ratio from 0.5 miles to 3 miles, 0.5 was multiplied by 6. Therefore, to keep the ratio the same, 6 minutes must also be multiplied by 6 to find x. This means the answer is:

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Ostrovityanka [42]

Answer:

  • 1.5 times
  • bottle Y
  • third bottle

Step-by-step explanation:

Insufficient dimensions are given to compute an exact volume of each geometry, so we have to assume that the volume is proportional to the product of base area and height. Then the relative volumes will be ...

  bottle X: (6 in)(2 in)(1 in) = 12 in^3

  bottle Y: (4 in)(3 in)(1.5 in) = 18 in^3

  3rd bottle: (3 in)(6 in^2) = 18 in^3

That is, the relative volumes are ...

  X : Y : 3rd = 12 : 18 : 18 = 1 : 1.5 : 1.5

The corresponding relative prices are ...

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A. Bottle Y has 1.5 times as much lotion as Bottle X.

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B. Bottle Y is a better buy than Bottle X. (The price relative to X is less than the volume relative to X.)

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C. The 3rd bottle is the best buy. For the same volume, the price of the 3rd bottle is less than that of Bottle Y.

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Note that the relative volume and price ratios are found by dividing all the numbers in the ratio sequence by the first number:

  12 : 18 : 18 = (12/12) : (18/12) : (18/12)

  9.96 : 14.40 : 13.20 = (9.96/9.96) : (14.40/9.96) : (13.20/9.96)

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