3 years ago

Match each vertex in ABC to its corresponding vertex in the dashed triangle.

Mathematics

1 answer:

Lelu [443]3 years ago

3 0

A -> A

B -> E

C -> D

Theyre similar triangles, ABC = AED

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Step-by-step explanation:

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Suppose a large shipment of telephones contained 21% defectives. If a sample of size 498 is selected, what is the probability th

grandymaker [24]

Answer:

$P(-3\% < x < 3\%) = 0.901$

Step-by-step explanation:

Given

$p = 21\%$

$n = 498$

Required

$P(-3\% < x < 3\%)$

First, we calculate the z score

$z = \sqrt{p * (1 - p)/n}$

$z = \sqrt{21\% * (1 - 21\%)/498}$

$z = \sqrt{21\% * (79\%)/498}$

$z = \sqrt{0.1659/498}$

$z = \sqrt{0.000333}$

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So:

$P(-3\% < x < 3\%) = P(-3\%/0.0182 < z$

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From z probability, we have:

$P(-3\% < x < 3\%) = 0.901$

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Solve |6k + 12| + 9=9 for k

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