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Amiraneli [1.4K]
3 years ago
5

Determine which relation is a function.

Mathematics
1 answer:
klemol [59]3 years ago
4 0
# 4 is a function because all the x numbers are only used once
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1. If a bicycle wheel has a diameter of 15 in. How far will the wheel rotate in 10 rotations?​
WARRIOR [948]

Answer:

150 pi inches or 471.239 inches traveled

Step-by-step explanation:

First, close your eyes, and think about the distance a bike travels after one rotation of the wheel.

You will come to the realization that a full rotation of the wheel makes you travel the circumference of the wheel

The formula for circumference is 2(pi)(r) or (pi)(diameter)

We are given diameter, so let's find distance traveled for one rotation

pi(15 inches) = 15pi inches per rotation.

There are 10 rotations, so:

(15pi inches/rotation)(10 rotations) = 150pi inches travelled

150 x pi = 471.239 inches traveled

4 0
3 years ago
Raina ran for president of the chess club, and she received 76 votes. There were 80 members in the club. What percentage of the
lesantik [10]

Answer:

vr = 95%

Step-by-step explanation:

We have a total of 80 members of a club that represents 100%, now we want to know what percentage represent the 76 members who voted for raina  (vr)

vr=\frac{76v}{80vr}*100%= 95%% = 95%

5 0
4 years ago
I need to know how to round to the nearest hundredth in the number 1.120
ryzh [129]
You can either round to 1000 or 2000 but 1.120 is closer to 1000
8 0
3 years ago
Read 2 more answers
Ordered pair for 3x + 5y = 2 <br><br> 9x + 11y = 14
Brums [2.3K]

Answer:

Step-by-step explanation:

-9x - 15y = -6

9x + 11y = 14

-4y = 8

y = -2

3x - 10 = 2

3x = 12

x = 4

(4, -2)

8 0
3 years ago
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Olympic pools hold<br> about 660, 334<br> gallons, how<br> many liters is that?
Scrat [10]

Answer:

I think it's 2.5 million liters

Step-by-step explanation:

I asked  my mom. And sister but my sister got a different answer but I took my mom answer.

8 0
2 years ago
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