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olga55 [171]
3 years ago
6

Write the trigonometric expression as an algebraic expression in u. cos (sin-1 u)

Mathematics
1 answer:
harkovskaia [24]3 years ago
3 0
Cos(arcsin(u)) = √(1 - u²)

_____
You want cos(α) where sin(α) = u.
You know that
  cos(α)² + sin(α)² = 1
  cos(α)² = 1 - sin(α)² = 1 - u²
  cos(α) = √(1 - u²)
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Fran has ''buy one get one free'' tickets to the comedy club. She is bringing 7 people, including herself. If the regular price
liraira [26]
She will have $57 back because the ticket are buy one get one free and she has 7 friends so for  3 tickets that u buy 6 of your friend get to go and then thei is still one more friend so you have to buy one more ticket so 10.75*3=32.25
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4 0
3 years ago
Find the x-intercept and the y-intercept without graphing. Write the coordinates of each intercept.
ANEK [815]

Answer:

Point of x-intercept: (2,0).

Point of y-intercept: (0,6).

Step-by-step explanation:

1. Finding the x-intercept.

This point is where the graph of the function touches the x axis. It can be found by substituting the "y" for 0. This is how you do it:

y=-3x+6\\ \\-3x+6=0\\ \\-3x=-6\\\\x=\frac{-6}{-3} \\ \\x=2

Hence, the point of x-intercept: (2,0).

2. Finding the y-intercept.

This point is where the graph of the function touches the y axis. It can be found by substituting the "x" for 0. This is how you do it:

y=-3(0)+6\\ \\y=6

Hence, the point of y-intercept: (0,6).

7 0
1 year ago
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If the radius of the circle is 9, find the area of the shaded region. Round your
zmey [24]

Answer:

we dont know the shaded area...

Step-by-step explanation:

6 0
3 years ago
What is the slope of a line that runs parallel to y = 2 x + 5?
Ganezh [65]
The equation "y=mx+b"  is the slope-intercept forme of a line with slope "m" and y-interceptept (0,b)

In this case:
y=2x+5;
the slope "m" will be equato to : "2".

Answer: the slope is 2.
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3 years ago
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Simone is stocking a shelf with bottles of salad dressing. She has one box with 30 bottles and another box with 18 bottles. She
nirvana33 [79]

Answer:

8

Step-by-step explanation:

30+18=48

48/6=8

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