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kow [346]
2 years ago
8

How many real solutions does x^2+8x+20=0 have? 1. 0 2. 1 3. 2

Mathematics
2 answers:
Maru [420]2 years ago
8 0

Answer:

there are 0 real solutions so the answer is number 1

Step-by-step explanation:

kozerog [31]2 years ago
5 0

Answer:

0

Step-by-step explanation:

I tried solving it

x^2+8x+20=0

1x^2+8x+20=0

I used the quadratic formula, I can't type it here but trust me!

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Simplifying rational expressions
Sonbull [250]
1. \frac{(c + 8)(c - 8)}{(c - 8)(c + 3)}_,_
    \frac{c + 8}{c + 3}_,_

2. \frac{n^{2} + 4n - 12}{n^{2} + 2n - 8}_,_
    \frac{n^{2} + 6n - 2n - 12}{n^{2} + 4n - 2n - 8}_,_
    \frac{n(n) + n(6) - 2(n) - 2(6)}{n(n) + n(4) - 2(n) - 2(4)}_,_
    \frac{n(n + 6) - 2(n + 6)}{n(n + 4) - 2(n + 4)}_,_
    \frac{(n - 2)(n + 6)}{(n - 2)(n + 4)}_,_
    \frac{n + 6}{n + 4}_,_

3. \frac{42x^{2}y^{3}}{28x^{3}y}_,_
    \frac{3y^{2}}{2x}_,_

4. \frac{m^{2} - 3m - 10}{m - 5}_,_
    \frac{m^{2} - 5m + 2m - 10}{m - 5}_,_
    \frac{m(m) - m(5) + 2(m) - 2(5)}{m - 5}_,_
    \frac{m(m - 5) + 2(m - 5)}{m - 5}_,_
    \frac{(m + 2)(m - 5)}{m - 5}_,_
    m + 2_,_
3 0
3 years ago
What related multiplication problem can help you find the quotient?<br> -6 divided 3
AleksAgata [21]
Answer: 3 • ? = -6

Reasoning: -6/ 3 = -2
3 • -2 = -6
8 0
2 years ago
Find the missing side length to the nearest tenth of a millimeter.
Zarrin [17]

Answer:

A = 4.7

Step-by-step explanation:

To find the missing leg, use this formula:

a = \sqrt{c^2 - b^2}

----------------------------------------------------------------------------------------------------------------

Have a good day :)

5 0
3 years ago
What is the solution to the inequality 10x + 18 &lt; -2
solong [7]
<h3>Answer:  x < -2, choice B</h3>

===========================================

Work Shown:

10x + 18 < -2

10x + 18-18 < -2-18 ... subtract 18 from both sides

10x < -20

10x/10 < -20/10 ... divide both sides by 10

x < -2

3 0
3 years ago
Suppose a normal distribution has a mean of 62 and a standard deviation of
lutik1710 [3]

Answer:

62.5%

Step-by-step explanation:

(56 - 62) / 4 = -1.5 z score = 0.0668

(64 - 62) / 4 = 0.5 z score = 0.6915

0.6915 - 0.0668 = 0.6247

Rounded this becomes 62.5%

7 0
2 years ago
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