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NNADVOKAT [17]
3 years ago
12

The graph shows the processing speeds of computers as a function of time since 1980.

Mathematics
1 answer:
pochemuha3 years ago
3 0
The right anwser are C D E hope it helps :)
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In how many ways can 6 competitors finish a race assuming there are no ties?In how many ways can we sit n people on r < n cha
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Answer:  a) 720, b) ^nC_r=\dfrac{n!}{(n-r)!r!} c) 336, d) 30240 e) 120.

Step-by-step explanation:

Since we have given that

a) Number of competitors  = 6

We need to find the number of ways that 6 competitors can finish a race and there are no ties.

So, Number of ways would be

6!=720

b) number of people = n

Number of chairs = r (r<n)

so, the number of ways we can sit n people on r<n chairs is given by

^nC_r=\dfrac{n!}{(n-r)!r!}

c) If there are three awards :

Gold, silver, bronze.

We need to find the number of ways that these medals can be awarded.

Number of ways is given by

^8P_3\\\\=336

d) Number of 5-digit zip codes are possible is given by

^{10}P_5=30240

e) Number of poeple = 10

Number of people required in committee = 3

Number of different 3 person committee that are selected from 10 people is given by

^{10}C_3=120

Hence, a) 720, b) ^nC_r=\dfrac{n!}{(n-r)!r!} c) 336, d) 30240 e) 120.

6 0
3 years ago
Line A and Line Bare
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Answer:

I think it b

Step-by-step explanation:

I had the same question

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2 years ago
What is 7(1+2x)= -49
mihalych1998 [28]

Answer: -3.5x

Step-by-step explanation:

Distribute 7 to 1 and 2 then

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What is the significance of a dashed and solid line on an inequality function?
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Inequalities that use < or > symbols are plotted with a dashed line to show that the line is not included in the region. Inequalities that use ≤ or ≥ symbols are plotted with a solid line to show that the line is included in the region.

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3 years ago
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