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Alik [6]
2 years ago
9

Is this relation a function? (-1,2) (1,17) (3,-4) (1,20)​

Mathematics
1 answer:
RSB [31]2 years ago
4 0
No. The x value 1 has two y value 17 and 20. To be a function, each x value must have only one unique y value
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12x-2 I think that’s right I’m not really sure
5 0
3 years ago
9 is what percent of 50
il63 [147K]

Answer:

18

Step-by-step explanation:

9/50=18/100

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AleksandrR [38]

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2 years ago
When we slice a three-dimensional object, we expose new faces that are two dimensional. The two-dimensional face is called _____
lesya [120]

Answer:

Cross section

Step-by-step explanation:

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7 0
3 years ago
Bus A and Bus B leave the bus depot at 7 am.
Art [367]

Answer:

9:30 am

Step-by-step explanation:

We can make a chart and keep filling it in until we see the same time in both columns.

Bus A          Bus B

7:00             7:00

7:30             7:50

8:00            8:40

8:30           9:30

9:00            10:20

9:30

Answer: 9:30 am

We can also use the least common multiple of 30 and 50.

We need to find the smallest number that is a multiple of both 30 and 50.

30 = 2 * 3 * 5

50 = 2 * 5^2

LCD = 2 * 3 * 5^2 = 150

The first time the buses will be at the depot together after 7:00 am is 150 minutes later. 150 minutes = 2 hours 30 minutes.

7:00 am + 2 hours and 30 minutes = 9:30 am

Answer: 9:30 am

3 0
3 years ago
Read 2 more answers
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