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Lelu [443]
3 years ago
6

What is the solution set of x2 – 10 = 30x?

Mathematics
2 answers:
kobusy [5.1K]3 years ago
3 0

Answer:

15+sqrt(235), 15-sqrt(235)

Step-by-step explanation:

X^2-30x-10=0

Use quadratic formula (b+-sqrt(b^2-4(a)(c)))/(2(a))

a=1, b=-30, c=-10

lesantik [10]3 years ago
3 0

Answer:

C

Step-by-step explanation:

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Answer:

a. Mean

Step-by-step explanation:

We have been given that the Sally is interested in taking a job in a city in which she's not familiar with the cost of living. She is especially concerned about the cost of housing and is interested in the average cost of a three bedroom home.

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2 years ago
The graph shows a proportional relationship between the cost of grapes, in dollars, and the number of pounds of grapes.
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Step-by-step explanation:

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Ksenya-84 [330]
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3 years ago
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Answer:

  1.  7.1 cm

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Step-by-step explanation:

1. You know the legs of a right triangle must be shorter than the hypotenuse. The only answer choice shorter than 8 cm is 7.1 cm.

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2. By the Law of Sines, ...

  AB/AC = sin(ACB)/sin(B)

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The approximate value of AC from problem 1 is sufficient to get you close to the answer.

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2 years ago
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