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galina1969 [7]
3 years ago
15

What is the value of the discriminant for the quadratic equation 0=2x^2+x-3

Mathematics
1 answer:
xenn [34]3 years ago
4 0
You use the equation Ax^2 + Bx + C to solve this equation.

The answer is 25.

I hope this helps :D
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Zach exchanged 1,000 U.S dollars for the south African currency which is called the rand the exchange rate was 7.15 rand to 1 do
slavikrds [6]
To get the answer you need to multiply 1,000 by 7.15 then move your decimal to make it accurate and you should end up with 7150
3 0
3 years ago
What is the range in interval notation of the function graphed below?
attashe74 [19]

Answer:

Range tells you how high and low the graph of this parabola goes in the “y” (vertical) directions.

1. We can see that the parabola peaks on the y-axis at y = 4. That’s as HIGH as it goes.

2. We also see that both sides of the parabola descend to the level of y = -7. That’s as LOW as it is shown to go.

So putting these together, we say the Range is given by:

-7 <= y <= 3

AMBIGUITY WARNING:

Because the two branches of the parabola go fall right down to the edge of the picture boundary, it’s UNCLEAR whether the parabola truly stops at y = -7 or CONTINUES on (to negative infinity).

In THAT case, the RANGE simplifies to:

Y <= 4

Done.

Step-by-step explanation:

5 0
1 year ago
Which number line best shows how to solve −2 − (−10)? A number line from negative 10 to 10 is shown with numbers labeled at inte
Viktor [21]

Answer:

Ur answer is #1 = A number line from negative 10 to 10 is shown with numbers labeled at intervals of 2. An arrow is shown from point 0 to negative 2. Another arrow points from negative 2 to 8.

Step-by-step explanation:

The arrow from 0 to -2 represents the initial "-2" of the problem. <em>Adding </em>-10 would put an arrow of length 10 from that point to the left to -12. However, you are <em>subtracting </em>-10, so that arrow is reversed and goes from -2 to +8.

7 0
2 years ago
What is the value of m?<br> m3 = 64
uranmaximum [27]

Answer

m=4

Step-by-step explanation:

3 0
3 years ago
Expand » Kenneth has a total of $25 to spend on books and music CDs. Books are on sale for $5 each, and music CDs are on sale fo
galben [10]
Sense the books on sale for $5 and the CDs are for 10 he brought 1 CD. So he he brought 3 books because do 25-10 and get 15 and books are for $5. Hope that helped.
6 0
3 years ago
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