3 years ago

4. Which of these is equal to sin(70°)?

Mathematics

1 answer:

ira [324]3 years ago

8 0

C because of when you divide and multiple, the number and then you will get your answer

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It is given that the weight of the barbel is given by:

$f(x)=20x+10$

It says that there are eight pair of weights so x can take values from 0 to 8 and f(x) can take the values as follows:

$\begin{gathered} x=0,f(x)=10 \\ x=1,f(x)=30 \\ x=2,f(x)=50 \\ x=3,f(x)=70 \\ x=4,f(x)=90 \\ x=5,f(x)=110 \\ x=6,f(x)=130 \\ x=7,f(x)=150 \\ x=8,f(x)=170 \end{gathered}$

So the range is:

$\mleft\lbrace10,30,50,70,90,110,130,150,170\mright\rbrace$

Option B is correct.

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2 years ago

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210 ways. This is a permutation question. Thus, insert 7P3 means 7 runners there is 3 places to be occupied. (7P3=210ways)

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Answer:

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28+4

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Can someone Help meeee!!

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70.24, That should be right

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