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garik1379 [7]
3 years ago
12

Give an example of an equation that is true.

Mathematics
1 answer:
bonufazy [111]3 years ago
7 0

Answer:

5 + 4 = 9

Step-by-step explanation:

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4

Step-by-step explanation:

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3 years ago
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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

8 0
1 year ago
How many millimeters are in 58 meters?
MAVERICK [17]

Answer:

58,000

Step-by-step explanation:

4 0
3 years ago
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=(+8)+(+4)+(-5)+(-2)​
Lyrx [107]

Answer:

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5 0
2 years ago
Solve x2 + 4x + 8 = 0.
Naya [18.7K]
X² + 4x + 8 = 0
x = -(4) ± √((4)² - 4(1)(8))
                    2(1)
x = -4 ± √(16 - 32)
                 2
x = -4 ± √(-16)
             2
x = -2 ± 4i
          2
x = -1 ± 2i
x=  -1 + 2i    or    x = -1 - 2i
6 0
3 years ago
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