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Ede4ka [16]
3 years ago
12

If θ is an angle in standard position and its terminal side passes through the point (21,-20), find the exact value of \cot\thet

acotθ in simplest radical form.
Mathematics
1 answer:
STatiana [176]3 years ago
3 0
Buying the president of the state national national
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Y=-4x-7 in standard form
Lapatulllka [165]
<span>Y=-4x-7 in standard form is,</span> y + 4 * x + 7 = 0

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3 years ago
2.24 Exit poll: Edison Research gathered exit poll results from several sources for the Wisconsin recall election of Scott Walke
iVinArrow [24]

Answer:

0.4929 = 49.29% probability that he voted in favor of Scott Walker

Step-by-step explanation:

Bayes Theorem:

Two events, A and B.

P(B|A) = \frac{P(B)*P(A|B)}{P(A)}

In which P(B|A) is the probability of B happening when A has happened and P(A|B) is the probability of A happening when B has happened.

In this question:

Event A: Having a college degree.

Event B: Voting for Scott Walker.

They found that 57% of the respondents voted in favor of Scott Walker.

This means that P(B) = 0.57

Additionally, they estimated that of those who did vote in favor for Scott Walker, 33% had a college degree

This means that P(A|B) = 0.33

Probability of having a college degree.

33% of those who voted for Scott Walker(57%).

45% of those who voted against Scott Walker(100 - 57 = 43%). So

P(A) = 0.33*0.57 + 0.45*0.43 = 0.3816

What is the probability that he voted in favor of Scott Walker?

P(B|A) = \frac{0.57*0.33}{0.3816} = 0.4929

0.4929 = 49.29% probability that he voted in favor of Scott Walker

3 0
3 years ago
Help and I’ll kiss u again mwah mwah
ElenaW [278]

Answer:

It was reflected down and to the right I think.

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Helppppp and explain tooo pls and thankyouuu
Nina [5.8K]

Answer:

---            ---

|  -5     -2   |

|   4      12  |

---           ----

Step-by-step explanation:

A matrix can only be added to (or subtracted from) another matrix if the two matrices have the same dimensions . To add two matrices, just add the corresponding entries, and place this sum in the corresponding position in the matrix which results.

6 0
3 years ago
Triangle ABC is isosceles. What are the steps you would take to construct the perpendicular bisector for segment AB.​
CaHeK987 [17]

Answer:

look at my Step-by-step explanation

Step-by-step explanation:

The perpendicular bisector of a line segment

open the compass more than half of the distance between A and B, and scribe arcs of the same radius centered at A and B.

Call the two points where these two arcs meet C and D. Draw the line between C and D.

CD is the perpendicular bisector of the line segment AB. Call the point where CD intersects AB E.

Proof. top.

6 0
3 years ago
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