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Troyanec [42]
3 years ago
11

Identify each part of the circle given the equation.

Mathematics
1 answer:
Bess [88]3 years ago
6 0

Answer:

Radius = 14 units

Center = ( 6, 8)

Step-by-step explanation:

The correct equation is ,

=> (x-6)² + (y-8)² = 196

=> (x-6)² + (y-8)² = 14²

  • Compare to Standard form , which is ,

=> ( x - h)² + ( y - k)² = r²

  • ( h , k ) is Center
  • r is radius

Hence on comparing we have,

  • Radius = 14 units
  • Center = ( 6, 8)
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Find the point on the terminal side of θ = 3pi/4 that has a y coordinate of 1. Show your work for full credit.
bagirrra123 [75]
Ok, we know the angle is 3π/4, and that y-coordinate is 1, hmm what's "x"?

\bf tan(\theta)=\cfrac{y}{x}\qquad tan\left( \frac{3\pi }{4} \right)=\cfrac{1}{x}\implies \cfrac{sin\left( \frac{3\pi }{4} \right)}{cos\left( \frac{3\pi }{4} \right)}=\cfrac{1}{x}\implies \cfrac{\frac{\sqrt{2}}{2}}{-\frac{\sqrt{2}}{2}}=\cfrac{1}{x}
\\\\\\
-1=\cfrac{1}{x}\implies x=-1\qquad \qquad \boxed{(-1,1)}
8 0
3 years ago
8≥x+4>5 i need answer
dexar [7]

Answer:

1 < x ≤ 4

Step-by-step explanation:

Given

8 ≥ x + 4 > 5 ( subtract 4 from each of the 3 intervals )

4 ≥ x > 1

Hence

1 < x ≤ 4

3 0
4 years ago
Answer all of them I'll give brilliant if you answer for points you'll be reported <br>​
kap26 [50]

Answer:

1 D

2 A

3 C

4 A

5 C

6 is supposed to be 35 so maybe choose the one closest

7 C

8 C

12 A=8/9

12 B=26/52

2/52

4/52

13/52

My apologizes but I cant read the graphs or the fractions down below

hope this helped :)

5 0
3 years ago
The ratio of adults to kids in a school is 3 : 7. If there is a total of 200 people, how many of them are adults?
vazorg [7]

Answer:

60 adults

Step-by-step explanation:

if you incress it all using cool math you get

3:7

6:14

whitch leads to 45:105

60:140

add 60 and 140 and you get 200

3 0
3 years ago
A boat has a ladder that's ten feet long, and hangs off the side of the boat,
anzhelika [568]

Answer:

2ft

Step-by-step explanation:

The tide doesn't effect the part of ladder that is underwater that is always 2ft

7 0
3 years ago
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