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abruzzese [7]
3 years ago
10

You construct lines p, q, r, and s such that p || q, r ⊥ p, and s ⊥ q. Which of the following must be true?

Mathematics
1 answer:
jolli1 [7]3 years ago
4 0

Answer:

r ll s

Step-by-step explanation:

The easiest way to solve thi is to draw a picture .

P and Q are parallel, so draw those as two opposite seides of a square.

R and P are perpendictular so draw that as the top line of the square. Since it is perpendicular to P, R has to be perpendictular to Q.

Draw line S as the bottom line of the square and the same rules apply, so      R is parallel to S

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Which is greater 8/10 or 63/100 ?
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13. The table represents some points of a linear function.
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Answer:

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Step-by-step explanation:

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8 0
2 years ago
Consider a population consisting of the number of teachers per college at small 2-year colleges. Suppose that the number of teac
agasfer [191]

Answer:

a) \frac{8}{9} =0.89

b) 0.8413

Step-by-step explanation:

we know that

P(║ x -\mu║ \leq  k\sigma) \geq 1 -\frac{1}{k^2}

so, \mu = 150, \sigma = 20

k =  \frac{210 - 150}{20} =\frac{150 - 90}{20} = 3

P(║ x -150 ║ \leq  3\times 20) \geq 1 -\frac{1}{3^2} = \frac{8}{9}

x - N(150, 20^2)

P(X \leq 170) = 0.8413447

check

P norm = \frac{170 - 150}{20}= 0.8413447

8 0
3 years ago
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