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gladu [14]
3 years ago
12

Compute the value of the discriminant and give the number of real solutions of the Quadratic equation 3x^2+9x-1=0 PLSS HELPP

Mathematics
1 answer:
FrozenT [24]3 years ago
3 0

Answer:

Discriminant = 93, two real roots/solutions

Step-by-step explanation:

Discriminant = b² - 4ac = (9)² - 4(3)(-1) = 81 + 12 = 93

Since 93>0, the quadratic equation has two real roots/solutions.

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Please help me with this
MrMuchimi
<h3>4x-4+12=20°+35°</h3><h3>4x+8=55°</h3><h3>4x=55°-8</h3><h3>4x=47°</h3><h3>x=47÷4</h3><h3>x=11.75</h3><h3>x=12</h3>

<h2> or</h2>

<h3>4x-4=12</h3><h3>4x=12+4</h3><h3>4x=16</h3><h3>x=16÷4</h3><h3>x=4</h3>

please mark this answer as brainlist

4 0
3 years ago
Doooooooooooooooooooooooooooooo
Mrac [35]
1. I would group them into 5s as this simplifies it down to only 5 categories and makes calculations easier

The rest I can’t do because I can’t draw it for you
6 0
3 years ago
Hi, I do not understand this plz do a step by step explaintion to help me understand
MrRa [10]

Answer:

There are two groups;

green and blue+white

Step-by-step explanation:

green=3

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white=1

total=green/blue*green/blue+white

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6 0
3 years ago
Read 2 more answers
Help pleaseee!!!!!!!
Crank

Answer:

1. 180

2. 300

3. 480

Step-by-step explanation:

1. Since 30% of 600 (or 0.3 * 600) = 180, the 1st blank is 180.

2. 50% of 600 (also easy to just think of one half {1/2}) = 300

3. Because 180 + 300 = 480

hope this helps:)

4 0
2 years ago
Which equations support the fact that rational numbers are closed under addition?
PtichkaEL [24]

i think the answer is the second choice √9+√9=2√9

<em>Hoped this helped!</em>

3 0
3 years ago
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