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slega [8]
2 years ago
11

In the accompanying diagram of circle O, point O

Mathematics
1 answer:
densk [106]2 years ago
5 0

The number of degrees in the first quadrant is 45 degrees.

<h3>Coordinates of a circle</h3>

The formula for calculating the angle in the first quadrant If the coordinates of point J are (\frac{\sqrt{2}}{2}, \frac{\sqrt{2}}{2})

tan \theta = \frac{y}{x}\\tan \theta =\frac{\frac{\sqrt{2}}{2} }{\frac{\sqrt{2}}{2} }\\tan \theta =1\\\theta = tan^{-1}1\\\theta = 45^0

From the calculation above the number of degrees in the first quadrant is 45 degrees.

Learn more on circles here: brainly.com/question/24375372

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These are the options<br> (0,-5)<br> (4,-2)<br> (8,2)<br> (-16,-17)<br> (-1,-8)<br> (-40,-34)
Liono4ka [1.6K]
All you need to do is plug in the points!

Here we go:

3(0)- 4(-5)-8

If it equals 12, then it is a point and an answer. 

3(0)- 4(-5)-8= 12 

(0,-5) is a point!

Next one:

3(4)-4(-2)-8

12+8-8
That equals twelve. (4,-2) is an answer as well!

I am going to quickly plug in the rest of the points, since I think you have the idea. 
<span>(8,2)  3(8)-4(2)-8= 8 This is not an answer. 
(-16,-17)  3(-16)-4(-17)-8 = 12 This is answer. 
(-1,-8)      3 (-1)-4(-8)-8= 21 This is not an answer. 
(-40,-34) 3(-40)-4(-34)-8= 8 This is not an answer.
</span>
I hope this helped you!

Brainliest answer is always appreciated!
3 0
3 years ago
Twenty percent of the ice melted. If 680 grams<br> remained, how many grams melted?
musickatia [10]

Answer:

−33999/50

Step-by-step explanation:

2/100−680

=

1/50−680

=

−33999/50

5 0
3 years ago
Albert and John are partners in a Bakery store. They needed $70,000 to start the business. They
viktelen [127]
$30,000 you’re welcome
3 0
3 years ago
Read 2 more answers
10 POINTS!!! FULL ANSWER IN STEP BY STEP FORMAT!!
Lilit [14]
After a little manipulation, the given diff'l equation will look like this:

e^y * dy = (2x + 1) * dx.
                                                             x^2
Integrating both sides, we get e^y = 2------- + x + c, or e^y = x^2 + x + c
                                                               2

Now let x=0 and y = 1, o find c:

e^1 = 0^2 + 0 + c.  So, c = e, and the solution is e^y = x^2 + x + e.
4 0
3 years ago
4(-8x + 5) – (-33x – 26) ​
Keith_Richards [23]

Answer:

1x+46 is the answer

Step-by-step explanation:

=4(-8x + 5) – (-33x – 26)

opening brackets to simplify

=-32x+20+33x+26

=-32x+33x+20+26

=1x+46 is the answer

hope it will help :)

5 0
3 years ago
Read 2 more answers
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