The population of Virginia is 30% less than the population of Georgia. If

Mathematics

1 answer:

Advocard [28]3 years ago

3 0

7,150,000

The population of Georgia is 10,500,000.

The population of Virginia is 30% less than that.

So the population of Virginia is 10,500,000 - 30% which equals 7,150,000

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Answer:

5(7 - x).

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That is 5 multiplied by 7 - x where x is the number.

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3 years ago

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4) A salesperson is paid $60 per week plus $4.50 per sale. This week, the salesperson wants to earn at least $250. How many sale

sasho [114]

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Subtract the $60 out of the total first

250 - 60 = 190

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Plastic parts produced by an injection-molding operation are checked for conformance to specifications. Each tool contains 15 ca

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(B) 0.01538 or 1.538%

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The total number of possibilities to pick 3 parts out of 15 possible parts is given by the following combination:

$n=\frac{15!}{(15-3)!3!}=\frac{15*14*13}{3*2*1}\\n=455\ ways\\$

(A) There are only three possibilities for which the inspector finds exactly one nonconforming part (NCC, CNC, CCN). Therefore, the probability is:

$P(N=1) = \frac{3}{455}=0.006593 =0.6593\%$

(B) There are three possibilities for which the inspector finds exactly one nonconforming part, three possibilities for two nonconforming parts (NNC, CNN, NCN), and one possibility for all nonconforming parts (NNN). The probability that the inspector finds at least one nonconforming part is:

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