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rjkz [21]
3 years ago
12

Find the slope of the graph y=5sinx at x=pi/2

Mathematics
1 answer:
lesantik [10]3 years ago
5 0
\bf y=5sin(x)\qquad \cfrac{dy}{dx}=5cos(x)
\\\\
x=\frac{\pi }{2}\implies \cfrac{dy}{dx}=5cos\left(  \frac{\pi }{2}\right)\to 5\cdot 0\to 0
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arlik [135]

Answer:

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Step-by-step explanation:

4 0
3 years ago
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According to an​ almanac, 60% of adult smokers started smoking before turning 18 years old.
dangina [55]
A) mean = np
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SD^2= np(1-p)
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4 0
2 years ago
Which are irrational and which are rational ?
a_sh-v [17]

Answer: 8/9 is rational

.2593 irrational

square root of 7: irrational

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square root of 14: irrational

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Step-by-step explanation:

8 0
3 years ago
Which of the following numbers can be expressed as repeating decimals? 3 over 7, 2 over 5, 3 over 4, 2 over 9
Maurinko [17]

Hello!

Let's think about the denominators we have. A seventh goes on forever in no specified order. A fifth an a fourth have set decimal values, 0.2 and 0.25, so they are not repeating decimals. A ninth is 0.111111..., it repeats like this forever in a specified order. Therefore, 2/9, or 0.222222...., would be a repeating decimal.

Therefore, our answer is \boxed {\frac{2}{9}}.

I hope this helps!

6 0
3 years ago
Which decimal number is equivalent to 1/10 ?<br> A.1<br> B.0.1<br> C.0.01<br> D.0.001
elena-14-01-66 [18.8K]
If you would like to find the decimal number which is equivalent to 1/10, you can do this using the following step:

1/10 = 0.1

The correct result would be B. 0.1.
4 0
3 years ago
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