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s344n2d4d5 [400]
3 years ago
7

Find the exact values of all three trigonometric functions for each angle.

Mathematics
1 answer:
My name is Ann [436]3 years ago
3 0

Answer:

Sin (270º)= -1

Cos (270º) = 0

Tan (270º) = -∞

Sin (330º) = -0.5

Cos (330º) = \frac{\sqrt{3} }{2} = 0.8660

Tan (330º) = - \frac{\sqrt{3} }{3} \\ = -0.57735

Step-by-step explanation:

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Find the percent of increase from 80$ to 90$
Ivan

Answer: 12.5%

Step-by-step explanation:

80x 12.5%=10

80+10=90

7 0
3 years ago
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5 divide 15x 15squared
Goryan [66]

Answer:

75

Step-by-step explanation:

(5 /15) x (15 squared = 75

4 0
3 years ago
It cost Evan $17.70 to send 177 text messages. How many text messages did he send if he spent $19.10?​
rusak2 [61]

Answer:

191

Step-by-step explanation:

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6 0
2 years ago
What is the value of the x-coordinate of point W? Enter your answer as a decimal to the nearest 0.5.
levacccp [35]
I attached a screenshot with the complete question.

Answer:
x-coordinate of point w is nearly -3.5

Explanation:
To get the x-coordinate of a certain point, we would need to read the value of this point on the horizontal axis (the x-axis).
Taking a look at point w, we would find that it is in the second quadrant. This means that it has a negative x-value.
Now, reading the x-value on the horizontal axis, we can see that it is nearly midway between points -3 and -4.
This means that point w is approximately -3.5

Hope this helps :)

6 0
3 years ago
In order to conduct an experiment five subjects are randomly selected from a group of 48 subjects how many different groups of f
exis [7]

Answer:

1,712,304 ways

Step-by-step explanation:

This problem bothers on combination

Since we are to select 5 subjects from a pool of 48 subjects, the number of ways this can be done is expressed as;

48C5 = 48!/(48-5)!5!

48C5 = 48!/43!5!

48C5 = 48×47×46×45×44×43!/43!5!

48C5 = 48×47×46×45×44/5!

48C5 = 205,476,480/120

48C5 = 1,712,304

Hence this can be done in 1,712,304ways

3 0
3 years ago
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