Problem 1
<h3>Answer: D) 2pi</h3>
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Explanation:
The given table we have is

If you were to graph all those points and draw a cosine curve through them, then the function you should get is

The B coefficient is 1, so that leads to a period of
T = 2pi/B
T = 2pi/1
T = 2pi
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Problem 2
<h3>Answer: C)
343.134 yards</h3>
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Explanation:
Draw out a triangle with these properties
- side a = 270
- side b = 170
- angle C = 100
We'll use the law of cosines to find side c
c^2 = a^2 + b^2 - 2*a*b*cos(C)
c^2 = 270^2 + 170^2 - 2*270*170*cos(100)
c^2 = 117740.902710
c = sqrt(117740.902710)
c = 343.133943
c = 343.134
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Problem 3
<h3>Answer: A) 2</h3>
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Explanation:
If you started with y = sin(x) and applied the transformations stated, then you should end up with 
From here, plug in x = 0 to find the y intercept.

Answer:
6
Step-by-step explanation:
if you notice here Josiah starts with 250 and Katie starts with 215, and in Josiah's equation he saves 25$ each month while Katie save 45$ each month, in order to find our answer we must multiply there starting amount by how many months.
A: 4 months is <em>incorrect</em> because Katie has 45x4+215 is 335, and Josiah has 25x4+250 is 350, so Katie is still behind
B: 5 months is <em>incorrect </em> because Katie has 45x5+215 is 375, and Josiah has, 25x5+250 which is 375, so they have the same amount of savings
C: 6 months is <em>correct</em> because Katie has 45x6+215 is 420, and Josiah has, 25x5+250 which is 400 , so Katie has more savings, Thus C is correct
Sorry for the Wait, Your Welcome, And Have An Amazing Day
The answer to your question is 143 degrees
Answer:
We know that a negative value is positive of all even exponents and negative for all odd exponents.
y=(-1)^x
Answer:
And rounded up we have that n=421
Step-by-step explanation:
We know that the sample proportion have the following distribution:

In order to find the critical value we need to take in count that we are finding the interval for a proportion, so on this case we need to use the z distribution. Since our interval is at 90% of confidence, our significance level would be given by
and
. And the critical value would be given by:
The margin of error for the proportion interval is given by this formula:
(a)
And on this case we have that
and we are interested in order to find the value of n, if we solve n from equation (a) we got:
(b)
We assume that a prior estimation for p would be
since we don't have any other info provided. And replacing into equation (b) the values from part a we got:
And rounded up we have that n=421