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Rama09 [41]
1 year ago
6

The terminal side of an angle intersects the unit circle at point

Mathematics
1 answer:
julia-pushkina [17]1 year ago
5 0

Answer:

-  \frac{ \sqrt{2} }{2}

Step-by-step explanation:

The sine of an angle is equal to the y coordinate point where the terminal side of the angle intersects the unit circle.

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I=\sqrt{-1}i= −1 ​ i, equals, square root of, minus, 1, end square root, what is the sum (7+3i)+(-8+9i)(7+3i)+(−8+9i)left parent
nata0808 [166]

We can simply add the expression to simplify the expression. So,

(7+3i)+(-8+9i) =7 +3i -8+9i Get rid of paranthesis.

=(7-8)+(3i+9i) Group the like terms.

= -1 + 12i

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3 years ago
How many different arrangements of 3 letters can be formed if the first letter must be w or k​ (repeats of letters are​ allowed)
Wewaii [24]

Answer:6


Step-by-step explanation:


6 0
3 years ago
What the simplified of 2/3 dived by 2/9
mars1129 [50]

Answer:

3

Step-by-step explanation:

Divide \dfrac{2}{3} by \dfrac{2}{9}:

\dfrac{2}{3}:\dfrac{2}{9}=\dfrac{2}{3}\cdot \dfrac{9}{2}=\dfrac{2\cdot9}{3\cdot 2}=\dfrac{9}{3}=3.

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3 years ago
HELP PLEASE !?!? I suck at math
Anna35 [415]
To graph the equation, plot a few points then connect then with a line.

f(x) = 440 - 55x

Plug in numbers for x to get the y value.

f(0) = 440
f(1) = 385
f(2) = 330
f(3) = 275
f(4) = 220
f(5) = 165

So when you graph these points, the y intercept is y = 440 because the graph crosses the y axis at (0, 440).

The x intercept is where the graph crosses the x axis. This happens when y = 0.

0 = 440 - 55x. Solve for x.

55x = 440
x = 8

So the x intercept is x = 8




7 0
3 years ago
Determine whether the following is a statistical question.
-BARSIC- [3]

Answer:

Yes, the given question is a statistical question.

Step-by-step explanation:

Given: statement is "What is the typical height of dog kennels at Keita's Kennels?"

To check: whether the given statement is a statistical question

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A statistical question is one for which you will generally get more than one answer.

For example "What's the age of the students in your school?" is a statistical question but "What's your age?" is not a statistical question.

The given statement "What is the typical height of dog kennels at Keita's Kennels?" has a single answer only, so the given question is statistical

7 0
3 years ago
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