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Alchen [17]
3 years ago
14

Find the equation of the circle that has a diameter with endpoints located at (-5,-3) and (-11,-3)

Mathematics
1 answer:
zvonat [6]3 years ago
4 0
x^{2} + y^{2} = r^{2}
Radius;
\sqrt{(-5--11)^{2} + (-3--3)^{2}
x^{2} + r^{2} =36

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For which acute angle are the sine of the angle and cosine of the angle equal? 30º 45º 60º 75º
Damm [24]
Hello

sin ..... | 0° |30°|45°|60°|90°|
...........| 0...| 1..| 2..|  3..| 4..|  write numbers
...........| 0...| 1..|√2.| √3 | 2..| take root square
...........| 0...|1/2|√2/2|√3/2|1| divide by 2
...........| 0...|1/2|√2/2|√3/2|1| .....
cos.....| 90°|60°|45°|30°| 0°|

sin (75°)
=sin(30°+45°)=sin 30°*cos 45° +cos 30°*sin 45°
....................  =1/2*√2/2            +  √3/2*√2/2
....................   = √2(1+√3)/4

cos 75°
=cos(30°+45°)=cos 30°*cos 45°-sin 30°*cos 45°
=√3/2*√2/2-1/2*√2/2
=√6/4-√2/4=√2/4*(√3 -1 )

5 0
3 years ago
Jessica prepared 36 kilograms of dough after working 6 hours. How much dough did Jessica prepare if she worked for 8 hours? Assu
Pepsi [2]

Answer:

48

Step-by-step explanation:

because 36 divided by 6 is 6 and that is how much dough she produces in an hour so if you added two more 6s to 6 to make it 8 meaning you are adding 12 because that is how much dough she makes in an hour

5 0
3 years ago
A swimming pool is being filled with a hose. The hose fills the pool at a constant rate. The pool's water level rises 3 inches i
Marizza181 [45]
0.3 inches per hour, if I did the math correctly.
5 0
3 years ago
85) A6-foot man casts an 8-foot shadow. How tall is a tree that casts a<br> 20-foot shadow?
vichka [17]

Answer:

15 foot

Step-by-step explanation:

6 foot = 8 foot shadow

3 foot= 4 foot shadow

15 foot=20 foot shadow

please give me brainliest!!!

5 0
3 years ago
Translate: Sixteen decreased by fifteen times a number
Serhud [2]
That would be 16 - 15n
8 0
3 years ago
Read 2 more answers
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