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zvonat [6]
3 years ago
11

Explain why a positive discriminant results in two real solutions.

Mathematics
1 answer:
melamori03 [73]3 years ago
5 0

Answer:

Step-by-step explanation:

If the discriminant b^2 - 4ac > 0, then the two solutions are

\frac{-b +- \sqrt{b^2 - 4ac} }{2a}, and in both cases, the value on the square root is > 0, so the result will always be a real number.

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Anyone know this geometry question?
andre [41]
Option D should be your answer.

No combo of any of those angles add up to exactly 180 to suggest that they are parallel lines. 
3 0
3 years ago
How would this question be solved?
harina [27]

Answer:

it would be solved by it mom

8 0
3 years ago
Is (0,0) a solution to this system? y ≤ x^2 + x - 4 y < x^2 + 2x + 1
yaroslaw [1]

( 0,0 ) is not the solution of the first inequality y≤x² +x-4 but ( 0,0) is the solution for the second inequality y <x²+2x+1.

<h3>What is inequality?</h3>

The relation between two expressions that are not equal, employing a sign such as ≠ ‘not equal to’, > ‘greater than, or < ‘less than’

Finding the solution for the inequality is as follows:-

y ≤  x² +x-4 by putting x and y equal to 0.

0 ≤ 0 + 0 -4

0 ≤ - 4

This is incorrect so (0,0) can not be the solution for this inequality.

y < x²+2x+1.

0 < 0 + 0 + 1

0 < 1

This inequality is showing the solution for (0,0)

Therefore ( 0,0 ) is not the solution of the first inequality y≤x² +x-4 but ( 0,0) is the solution for the second inequality y <x²+2x+1.

To know more about inequality follow

brainly.com/question/24372553

#SPJ1

5 0
2 years ago
Write an expression that represents the edge length of jewelry box
Mandarinka [93]

Answer:

The cubed-root of v (/v)

Step-by-step explanation:

Like your work on the second question illustrated, the cubed root of v (which is 216) is your expression for the edge length of the box in inches.

Hope this helps!

4 0
3 years ago
Read 2 more answers
1/7inch <br> ________<br> 1/14minutes<br><br> the unit rate is ? inch per minute
lara [203]
<h2>I'm kind of confused about what you are asking but wouldn't this | be the answer?                                                       V</h2>

Answer: 2 inches per minute

Step-by-step explanation:

This is a fraction equal to

0.14285714285714 inches ÷ 0.071428571428571 minutes

We want a unit rate where

1 is in the denominator,

so we divide top and bottom by 0.071428571428571

0.14285714285714 inches ÷ 0.071428571428571

<h3><u>                                                                                  </u></h3>

0.071428571428571 minutes ÷ 0.071428571428571

<h3>=  </h3>

2 inches

<h3><u>              </u></h3>

1 minute

<h3>=  </h3>

2 inches

<h3><u>             </u></h3>

minute

= 2 inches per minute

8 0
3 years ago
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