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Alik [6]
3 years ago
7

Sin(13pi/2) in periodic function

Mathematics
1 answer:
Nataliya [291]3 years ago
5 0
Answer: 1
13pi/2 can be simplified onto 6 pi/2, so it goes around the unit circle 6 times and left with pi/2. the coordinates of pi/2 is (0,1). the trigonometric function sin is y/r. since r is always 1 on the unit circle, the answer is the y value, in this case it is 1.
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If g(x)= x+1/x-2 and h(x)= 4-x, what is the value of (g•h)(-3)?
jek_recluse [69]

Answer:

8/5

Step-by-step explanation:

First find h(-3)

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Then take this result and find g(h(-3)) = g(7)

g(7) = (7+1)/( 7-2) = 8/5

8 0
3 years ago
What is the value of -3(7+5)/3^2 +9(3)
Paraphin [41]

Answer:

-3(7+5)÷3*2+9(3)

-21-15÷6+27

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7 0
3 years ago
A bag contains 4 red and 6 green gumballs. if you select 5 of them without looking, how many ways can you get exactly 3 red or e
marusya05 [52]
This is a combination problem. The approach to this is by using the nCr method, where n is the number of total objects and r is the number of success. For example, if you want to get 3 red out of the total 4, then that would be 4C3. That means,

4C3 = 4!/3!(4 - 3)! = 4 ways

If you want to get 2 green out of the total 6, then that would be 6C2. That means,

6C2 = 6!/2!(6-2)! = 15 ways

Therefore, there are a total of 4+15 = <em>19 ways</em>.
8 0
3 years ago
Help now now now!!!!!!!!!!!!!!
WARRIOR [948]
The answer is 2. Here's why:

First if all, anything to the power of 0 is 1.
So n^0=1.
You need to plug in 3 for m, so then 6(3)^-1.
3^-1=1/3.
6 × 1/3= 6/3=2
2×1=2.
3 0
3 years ago
Read 2 more answers
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charle [14.2K]

Answer:

no it can not

Step-by-step explanation:

Triangle is always 180° in total.

7 0
3 years ago
Read 2 more answers
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