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jekas [21]
3 years ago
14

What are the exact solutions of x2 – 5x – 7 = 0?

Mathematics
1 answer:
erica [24]3 years ago
7 0

Answer:

you have to use quadratic formula

6.140, -1.140

Step-by-step explanation:

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Classify the two given samples as independent or dependent. Sample 1: Pre-training blood pressure of 17 people Sample 2: Post-tr
Damm [24]

Answer:

Sample  1 : independent

Sample  2 :   dependent

Step-by-step explanation:

From the question we are told that

   The  given date is  

                   Sample 1: Pre-training blood pressure of 17 people

                    Sample 2: Post-training blood pressure of 17 people

Now  Sample 1 is independent because  the Pre-training blood pressure of 17 people does not depend of Post-training blood pressure of 17 people

While  

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7 0
3 years ago
Please help me so lost
Alex777 [14]

Answer:

The answer is the first one - 8 square roots of 3

Step-by-step explanation:

Using formula is sufficient here.

In hexagon there are 6 same triangles.

You calculate the area of one of them by formula (1/2)*(2)*(4square root of 3/3)

You multiply that by 6 and simplify.

The answer is the first one - 8 square roots of 3

I hope I helped you and I will be happy If you mark my answer as brainliest.

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3 years ago
If f left parenthesis 0 right parenthesis equals 0​, f prime left parenthesis 0 right parenthesis equals 3​, f double prime left
Sati [7]
Parenthesis at xequals0
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