Lauren and Kristi are practicing for a track meet. Lauren runs 4 more than twice as many laps as Kristi.

Mathematics

1 answer:

Jlenok [28]3 years ago

6 0

Lauren runs 14 laps. 2(5) + 4 = 14. Kristi runs 5. 5 x 2 = 10 , 10 + 4 = 14.

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Hey, could someone please help me with this? Thanks.

Novosadov [1.4K]

Answer:

Part A: 1. (1, 0.5) 2. (2, 1) 3. (3, 1.5) 4. (4, 2) 5. (5, 2.5) 6. (6, 3)

Part B: Yes, this relation is in fact a function.

Part C: No, it would not be a function.

Step-by-step explanation:

Part A: Well, you start at 1 hr. right? yes. So then, at the very beginning at the problem, it says the candle burns at the rate of 0.5 in. per hour. So for 1 hour, the candle will burn .5 inches. At 2 hours, it will burn off 1 whole inch.

Part B: 1 hr. = .5 in. burn, 2 hrs. = 1 in. burns, 3 hrs. = 1.5 in. burns, 4 hrs. = 2 in. burns, 5 hrs.= 2.5 in. burns, 6 hrs. = 3 in. burns.

Part C: 1 hr.= .45 in. burn, 2 hrs. = .9 in burn, 3 hrs. = 1.35 in. burns, 4 hrs. = 1.8 in. burns, 5 hrs. = 2.25 in. burns, 6 hrs. = 2.7 in. burns. It does not go at a constant rate. The number of inches are all over the place.

Hope this helps you out!! (:

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Your friend comes from a large family. This list shows the ages of all of the children in her family. What is the median age of

Vilka [71]

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kicyunya [14]

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