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Vladimir [108]
3 years ago
5

I need help with these two questions

Mathematics
1 answer:
kaheart [24]3 years ago
3 0

Answer:

The answer to 9 is table A

Step-by-step explanation:

The table has the value of x as -4 in two different spots, therefore it would fail the vertical line test. You could change one of the two values with -4 to anything but -4

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-5/7b = -4<br> What does B equal?
MArishka [77]
The answer is
b= 28/5 or 5.6 in decimal form
5 0
3 years ago
Read 2 more answers
7. What is the solution to the proportion below?
belka [17]
\frac{2y-9}{6} = \frac{y}{4}

Cross multiplying, we get:

4(2y-9) = 6y \\  \\ &#10;8y-36=6y \\  \\ &#10;8y-6y=36 \\  \\ &#10;2y=36 \\  \\ &#10;y=18

Thus the value of y for given proportion is 18.
3 0
3 years ago
Pls help, Thx! Solve using the substitution method.<br> y = 2x - 4<br> 6x - 3y = 12
Kay [80]
Your answer would be 0 and -4. When you plug in 2x - 4 in for the y of the second equation and solve, you get x = 0 and y = -4.
6 0
3 years ago
Giving brainliest I only have 1 try please give out correct answer:)
madreJ [45]
I think yes. If not my bad.
5 0
3 years ago
Read 2 more answers
The table your working at keeps wobbling. You decide to fix it by making a thick pad of paper from folded sheets of paper. Each
loris [4]
To answer this question and you will use exponents.

When you fold your paper three times, it is represented as two cubed or 2^3.

When you for your other sheet of paper two times, it is represented as two squared or 2^2.

Put Both of these together and you have 8+4 which equals 12.

It will take 12 layers of paper.
5 0
3 years ago
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