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Hatshy [7]
3 years ago
6

Must READ! A multiple choice question on a test has 4 answer choices. You guess at the answer. What is the probability that you

will select the correct choice. write your answer as a percent. would the answer be 25%?
Mathematics
1 answer:
Furkat [3]3 years ago
4 0
Yep :) You're right!

The total probability of anything is always 100%, obviously.

If there are 4 choices, and you're equally likely to select either one, you can do 100% / 4 choices = 25%.

One of them have to be correct, so 1 of the 4 are bound to be right. 1/4 is also the same as 25%, hence you're correct! :) 
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Angle (theta) is in standard position. If (8,-15) is on the terminal ray of angle (theta), find the values of the trigonometric
mariarad [96]

Answer:

\sin \theta =\frac{-15}{17}\\cos \theta =\frac{8}{17}\\\tan  \theta =\frac{-15}{8}\\\csc \theta =\frac{-17}{15}\\\sec \theta =\frac{17}{8}\\\cot \theta =\frac{-8}{15}

Step-by-step explanation:

Given: (8,-15) is on the terminal ray of angle

To find: All the trigonometric ratios

Solution:

Trigonometry is a  branch of mathematics that explain relationship between the sides and angles of triangles.

If (x, y) lies on the terminal side of  θ  then r=\sqrt{x^2+y^2}

r=\sqrt{(8)^2+(-15)^2}=\sqrt{64+225}=\sqrt{289}=17 units

\sin \theta =\frac{y}{r}=\frac{-15}{17}\\cos \theta =\frac{x}{r}=\frac{8}{17}\\\tan  \theta =\frac{y}{x}=\frac{-15}{8}\\\csc \theta =\frac{1}{\sin \theta }=\frac{-17}{15}\\\sec \theta =\frac{1}{cos \theta}=\frac{17}{8}\\\cot \theta =\frac{1}{\tan  \theta}=\frac{-8}{15}

6 0
3 years ago
What is the squared root of 9 times by 1,000,000,001 divided by 4 and subtracted by 8672 then cubed twice
Delicious77 [7]
The answer would be 9.650055637900878
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What is the measure of angle x? (Brainly + Bonus points for the best correct answer and explain)
kobusy [5.1K]

Answer: 76

Step-by-step explanation:

If a pair of parallel lines are cut by a line, the alternate angles are equal to each other. The angles 76 and x are alternate angles, so that means they are equal.

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kvv77 [185]

Answer:

\frac{-1}{6}

Step-by-step explanation:

-\frac{5}{12}  + \frac{3}{12} = -\frac{2}{12}

-\frac{2}{12} = -\frac{1}{6}

which can also be written as:

\frac{-1}{6}

4 0
3 years ago
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