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alekssr [168]
3 years ago
7

The sum of the roots of the quadratic 5x^2 - 6x + 1 = 0 is

Mathematics
1 answer:
MatroZZZ [7]3 years ago
8 0

Answer:

here's your answer

hope this helped you

please mark as the brainliest (ㆁωㆁ)

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Evaluate the function f(x) = -7x + 2 at f(-18).
enyata [817]

Answer:

128

Step-by-step explanation:

-7x+2 = -18(-7)+2=126+2=128

7 0
2 years ago
3(5+3)^2 +14<br><br><br> help me pls i cannot deal w my parents again
Scilla [17]

Answer:

206

Step-by-step explanation:

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6 0
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PLEASEEE HELP ME I NEED THIS ASAP
Pavel [41]

Answer:

The fourth option is the correct answer

Step-by-step explanation:

The given expression is

-2n(5+n-8-3n)

Given that n=3,We substitute the value of n into the expression and simplify.

This implies that,

-2n(5+n-8-3n)=-2(3)[5+3-8-3(3)]

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=-6(-9)

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Hence the answer is 54

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3 years ago
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**60 PTS**
IgorC [24]
A. It is an experiment as the sales director is applying treatment ( the training ) to a group and recording the results.

B. I would have 250 sales representatives from each region take the training and 250 from each region to not take it so i can be able to see if it affects both regions differently. The representatives from each region would be chosen at random and the length of their training would be the same for all.

C. now you would only be able to have 200 people from each region train. this would lower the percentage of the impact the training had on the amount of sales ( if any) . For example, if the original 250 trained people in a region increased the sales in that region by 20 percent and 50 of those people ended up not actually training, the sales would have only increased by 16 percent.

D. correlational research is best to establish causality. for example, the amount of training the representatives got may affect how much they are able to sell. also the number of representatives trained may affect the amount sold
3 0
3 years ago
Which property was used to simplify the expression?
Montano1993 [528]

Answer:

inverse i believe, because the numbers are switched around on the right side of the equal sign.

Step-by-step explanation:

3 0
3 years ago
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