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dimulka [17.4K]

2 years ago

13

Jack learned four appetizer recipes over the course of 2 weeks of culinary school. After 5 weeks of culinary school, how many to

tal appetizer recipes will Jack know? Assume the relationship is directly proportional.

1 answer:

DiKsa [7]2 years ago

3 0

Answer:

10 appetizers

Step-by-step explanation:

4/2 = x/5

20 = 2x

x = 10

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

Rainbow [258]

Answer:

(A) 0.006593 or 0.6593%

(B) 0.01538 or 1.538%

Step-by-step explanation:

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:

$P(N>0) =P(N=1)+P(N=2)+P(N=3) \\P(N>0) = \frac{3}{455}+ \frac{3}{455}+ \frac{1}{455}\\P(N>0) =0.01538 =1.538\%$

5 0

2 years ago

If 23 people shake each others hands once how many hands are shook in all

AURORKA [14]

This is the number of combinations of 2 from 23
23C2 = 23! / 2! 21!

A quick way to do this is 23*22 / 2 = 253

7 0

2 years ago

Help me please. if you need anymore information then ask.

oee [108]

45
50
You have to add 25 for each one so you get the answer

6 0

2 years ago

Read 2 more answers

Write the sentence as a equation<br>b is 380 more than the quality y times 268

Svet_ta [14]

A: b = 268y + 380
is : =

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2 years ago

PLEASE HELP!! 50 POINTS!!!!!

OLEGan [10]

Answer:

3\2 is the marked

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3\2=0.5

x=0.5*2=3.0

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6 0

1 year ago