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Paraphin [41]
2 years ago
9

Whats the area of 4.2 m and 3.6 m

Mathematics
1 answer:
Kazeer [188]2 years ago
8 0
4.2m * 3.6m = 15.12m²
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a quadratic equation has a discriminant of 12. which could be the equation? a.0 = –x2 8x 2 b.0 = 2x2 6x 3 c.0 = –x2 4x 1 d.0 = 4
Norma-Jean [14]

Answer:

Option b which is 2x^2+6x+3=0

Step-by-step explanation:

We have been given the discriminant 12

We have to choose the equation which will satisfy the given discriminant.

We will consider all the given equation one by one

First we will take option a which is -x^2+8x+2=0

Discriminant from the equation we will find by the formula

D=b^2-4ac

Here, a=-1,b=8 and c=2 on substituting the values we will get

D=8^2-4(-1)(2)=72

Hence, option a is incorrect.

Now, we will consider option b which is 2x^2+6x+3=0

Here, a=2,b=6 and c=3 on substituting the values we get

D=(6)^2-4(2)(3)=12

Hence, option b is correct

Therefore, option b is the required answer.

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2 years ago
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Answer:

The 72nd term is -708

Step-by-step explanation:

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1 year ago
The board of directors of a company knows that the probability that carbon emissions from the company’s factory exceed the permi
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the real answer is D.  0.9132

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Answer:

Step-by-step explanation:

Hello. Would love to try and help, your screenshot is not showing up when I click on it though.

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Answer:

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<u>18</u>=<u>3x</u>

3    3

6=x

x=6

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3 years ago
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