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3 years ago

PLEASE HELP!!!!⚠️ the last equation is “3/5x=12” if you can answer that as well thank you.

Mathematics

2 answers:

djyliett [7]3 years ago

6 0

How to solve these, you divide the number multiplied by x by both sides.

1. Divide 2/3 by both sides, and you get y = 30.

2. Divide 0.2 by both sides, and you get x = -80

3. Divide 0.8 by both sides, and you get n = 2.5

4. Divide 3/4 by both sides, and you get m = 16

5. Divide -0.4 by both sides, and you get k = -70

6. Divide 3/5 by both sides, and you get h = -10

7. Divide -0.5 by both sides, and you get y = 40

8. Divide 3/5 by both sides, and you get x = 20

I hope this helped! For the fractions, just divide the fraction and divide by both sides with the decimal, and you will get the answer!

navik [9.2K]3 years ago

3 0

Answer:

x=20

Step-by-step explanation:

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cricket20 [7]

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3 years ago

Is this correct?? PLZ ANSWER

loris [4]

Almost all correct except two. Please check corrected image.

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3 years ago

Find so that the point (-1,2) is on the graph f(x)=ax^2+4. What does A equal?

natali 33 [55]

We have to find the parameter a so that (-1,2) is part of the function f(x) = ax²+4.

To check if a point is part of a function, we can replace the values of x and y = f(x) with the coordinates of the point and then, if the equation stays true, then the point is part of the function.

So for (x,y) = (-1,2) to be part of the function y = f(x), this equation has to stands true:

$\begin{gathered} y=f(x) \\ y=ax^2+4 \\ 2=a(-1)^2+4 \\ 2=a+4 \\ a=2-4 \\ a=-2 \end{gathered}$

Then, the function would have to be f(x) = -2x² + 4.

We can check with a graph as:

Answer: a = -2

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1 year ago

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VashaNatasha [74]

Answer:

multiply both sides by 3

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3 years ago

Evaluate 4+8 divide by 2 x(6-3)

stepladder [879]

Answer:

Step-by-step explanation:

= 4+8/2×(6-3)

= 12/2×6-2×3

= 12/12-6

= 12/6

= 2

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3 years ago