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KonstantinChe [14]
2 years ago
9

Pls helpppp!! Its a math question i suck at math please help!

Mathematics
1 answer:
Mrac [35]2 years ago
8 0
I believe it is the first one
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What is the value of y in the system of equations?<br> 5x + y = -1<br> y = 6x + 10
Vinil7 [7]

Answer:

y = 4

Step-by-step explanation:

5x + y = -1

y = -1 - 5x

y = 6x + 10

6x + 10 = -1 - 5x

11x = -11

x = -1

y = 6x + 10 = 6(-1) + 10 = -6 + 10 = 4

8 0
3 years ago
Gasoline costs $2.79 per gallon Is the number of gallons proportional to the total cost
nekit [7.7K]
I don't think it's proportional, because in order for a question to be a proportional question has/could be to be like this:

Gasoline costs $2.79 per 2 gallon. How much will it cost for 8 gallon. Then, we cross multiply and all to find the answer.
3 0
3 years ago
I need help ASAP!!Explain the answer
nordsb [41]

Answer:

volume=pi times r^2 height÷3.

r is the radius, or in this case 4yd. height is 10yd. pi is 3.14

Here are the steps:

3.14r^2 height÷3

3.14×4^2 10÷3

=167.55

final answer rounded to the nearest tenth: 167.6

I apologize for getting the math wrong the first time. My formula was correct, but I needed to double check my calculations. I'm certain this is the right answer.

5 0
2 years ago
When answered please show step by step
Allushta [10]
How am I supposed to answer that if I can't get the graph to you?
3 0
2 years ago
What is the value of z if z/4 = 12
Digiron [165]

Answer:

z = 48 :)

Step-by-step explanation:

z ÷ 4 = 12

So, all you need to do is multiply 12 by four, to get z- 48

hope this helped!

5 0
3 years ago
Read 2 more answers
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