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djverab [1.8K]
2 years ago
13

Is this table a function?

Mathematics
1 answer:
IrinaVladis [17]2 years ago
6 0
B is the correct answer because -3 is the only value x is multiplied by.
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One more than the difference between 18 and seven times in number is -9
almond37 [142]
18-7n+1= -9

You just have to ignore the first thing it asks for, and then write out what it's saying. Since it's asking for the difference, you have to subtract what it tells you to. In this case they are asking for you to subtract 7 times a number from 18 which is the same as writing 18-7n. Then, go back to the first thing it asks for and that wants you to add one. You now have this: 18-7n+1. Now all you have to do is set it equal to whatever it asks you for, which is -9. The final product should look like this:

18-7n+1= -9

I hope this helps and if you could let me know if I helped, that would be greatly appreciated!
7 0
2 years ago
Find the area of a circle with a
lina2011 [118]

Answer:

254.34 in.²

Step-by-step explanation:

area = πr²

given, radius = 9 cm

according to formula

→ 3.14 × (9)²

→ 3.14 × 81

→ 254.34 in.² ans.

hope this helps you !

6 0
2 years ago
A tennis club charges a monthly membership fee of $150 and charges it members $10 per hour to use a court. There\'s also $500 fe
Sophie [7]
 The question is "What's Stella's opportunity cost of working on her serve for an hour?" The rest of the info looks like it's meant to confuse you. They charge $10 an hour. She values an hour of her time at $20. I believe that means she would pay $20. Hope this helps!
8 0
3 years ago
Which of the following is a rational function
Anestetic [448]
B is the only rational answer.
3 0
3 years ago
Read 2 more answers
4.5 divided by 39.6= <br> Please help
Effectus [21]

Answer: 0.113636364

Step-by-step explanation:

4.5 / 39.6 = 0.113636364

Or do you mean 39.6 ÷ 4.5?

39.6 ÷ 4.5 = 8.8

8 0
3 years ago
Read 2 more answers
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