2 years ago

Determine whether the relation is a function.

1 answer:

3 0

keeping in mind that a function has no X-repeats, namely the x-coordinate of every pair doesn't repeat, so let's take a peek at this one, Check the picture below, so no dice.

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Sara ran 10km in 2.5 hours. Katerina ran 7.5 km in 2 hours. Candice ran 9.5 km in 2.25 hours. Who had the fastest average speed?

Arisa [49]

10 km ÷ 2.5 hours = 4 km/h — This is Sara's record

7.5 km ÷ 2 hours = 3.75 km/h — This is Katerina's record

9.5 km ÷ 2.25 hours = 4.2 km/h — This is Candice's record

Therefore, the answer is Candice had the fastest average speed.

6 0

4 years ago

Please help. What is the circumference of the circle? <br><br> (X+4)^2+(y-5)^2=81

PIT_PIT [208]

the radius: r^2 = 81

r =9

c = 2*pi*r

= 2 * pi * 9

= 18 *pi

Answer: 18*pi or approximately 56.62

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Nastasia [14]

Answer:

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Step-by-step explanation:

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2 years ago

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Brut [27]

Answer:

Step-by-step explanation:

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3 years ago

Katie jogged a total distance of 8 and 1 over 2 miles during the months of January and February. If Katie only jogged 1 over 4 m

sattari [20]

Answer:

the correct answer is....

C) 8 and 1 over 2 + 1 over 4

Hope this helps!!!! :)

**(Bojana)**

Step-by-step explanation:

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3 years ago

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