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tangare [24]
3 years ago
7

How many and what type of solutions does 5x^2-2x+6 have

Mathematics
1 answer:
just olya [345]3 years ago
6 0

Answer:

two irrational solutions

Step-by-step explanation:

you can use the quadratic formula:  (b ± √b²- 4ac)÷2a

a = 5, b = -2, c = 6

= [2 ± √(-2²)-4(5)(6)] ÷ 2(5)

= (2 ± √4-120) / 10

two complex solutions:  (2+√-116)/10, (2-√-116)/10

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The correct answer is option C which is the ratio of the difference in the means of the two teams to the mean absolute deviation of Team B will be 0.25.

<h3>What is mean?</h3>

Mean is defined as the ratio of the sum of the number of the data sets to the total number of the data.

The difference between the mean times is about 16 times the mean absolute deviation of the data set.

59.32 - 59.1 = 0.22

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Therefore the correct answer is option C which is the ratio of the difference in the means of the two teams to the mean absolute deviation of Team B will be 0.25.

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2 years ago
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Step-by-step explanation:

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-2x + 15y = -24<br><br>2x + 9y = 24<br>​
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a contractor uses the expression 7(x+3) to find the lenght,in feet,of chain that he needs for a certain project. Part A the cont
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