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Roman55 [17]
3 years ago
9

if y is inversely proportional to 2x + 1 and the difference in the values of y when x= 0.5 and x= 2 is 0.9, find the value of y

when x = -0.25
Mathematics
1 answer:
Anna35 [415]3 years ago
5 0

Answer:

6

Step-by-step explanation:

answer is in photo above

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ollegr [7]
The answer is 25 I think sorry if it’s wrong :)
3 0
2 years ago
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What is the opposite of 4?
Wittaler [7]
The opposite of 4 is negative 4, or -4
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3 years ago
Solve both equations and pls show work.. <br> I will mark brainliest
Alexxx [7]

Answer:

7. x = 4

8. x = 10

Step-by-step explanation:

7. The angles are equal to each other so you can do

40 = 12x - 8

48 = 12x

4 = x

8. The angles add up to be 180 degrees so you can combine them and set them equal to 180

6x + 12x = 180

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8 0
3 years ago
The variable z is directly proportional to x, and inversely proportional to y. When x is 6 and y is 6, z has the value 12.
dalvyx [7]

z is directly proportional to x: z = kx.

If z is directly proportional to x and inversely proportional to y, then z = Kx/y.

When x= 6 and y = 6, z is 12. Find the constant of proportionality, K:

12 = K(6/6), or K = 12

Then, in general, z = 12x/y.

What is z when x=13 and y=10? z = 12(13)/(10) = 15.6 (answer)

3 0
3 years ago
Please help! And 20 points! :3<br> I need help with these 3 questions- <br> -3-||
BaLLatris [955]

Answer:

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Step-by-step explanation:

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3 years ago
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