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AURORKA [14]
3 years ago
14

Find the exact value of sin

Mathematics
1 answer:
kvv77 [185]3 years ago
7 0
The inverse value of sin⁻¹(A) = Ф° , is sin(Ф) = A


sin(Ф°) = (-√3)/2 THAT MEANS Ф = -60° OR Ф = 300°
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Combine like terms to simplify the expression: 9 + 3b − 1 + 7b − 2 = ______ 9 − 10b 6 + 10b 8 + 10b 16b 9 + 10b
Travka [436]

Answer:6 +10b

Step-by-step explanation:

Like terms 9-1-2 =6 and 3b + 7b = 10b

6 0
3 years ago
If Nina is N years old now and Maryna is M years old now, write the sum of their ages in 6 years
zimovet [89]

Answer:

If Nina is N years old and Maryna is M years old the sum of their ages would be N+M

In 6 year from now they you would go the sum of their ages now times 6

You equation would be

6(N+M)

Step-by-step explanation:

4 0
3 years ago
Find a 75% confidence interval for the population average weight μ of all adult mountain lions in the specified region. (Round y
kupik [55]

Answer:

75% confidence interval is 91.8±16.66. That is between 75.1 and 108.5 pounds.

Step-by-step explanation:

The question is missing. It is as follows:

Adult wild mountain lions (18 months or older) captured and released for the first time in the San Andres Mountains had the following weights (pounds): 69  104  125  129  60  64

Assume that the population of x values has an approximately normal distribution.

Find a 75% confidence interval for the population average weight μ of all adult mountain lions in the specified region. (Round your answers to one decimal place.)

75% Confidence Interval can be calculated using M±ME where

  • M is the sample mean weight of the wild mountain lions (\frac{69 +104 +125 +129+60 +64}{6} =91.8)
  • ME is the margin of error of the mean

And margin of error (ME) of the mean can be calculated using the formula

ME=\frac{t*s}{\sqrt{N} } where

  • t is the corresponding statistic in the 75% confidence level and 5 degrees of freedom (1.30)
  • s is the standard deviation of the sample(31.4)
  • N is the sample size (6)

Thus, ME=\frac{1.30*31.4}{\sqrt{6} } ≈16.66

Then 75% confidence interval is 91.8±16.66. That is between 75.1 and 108.5

3 0
3 years ago
Write an equation of the line passing through point (3, -1) and perpendicular to y= -x+1​
Valentin [98]

am I supposed to do the picture one or the you type

4 0
3 years ago
I need help on this question plz and thank you <br> (Question 5 and if you can number 3 as well)
Alex Ar [27]
H = -2r + s/πr

C = 3A-a-b

If you need step by step comment
7 0
3 years ago
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