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GuDViN [60]
3 years ago
9

Write the equation for a parabola with a focus at (7,-6) and a directrix at x = 5.

Mathematics
1 answer:
notka56 [123]3 years ago
5 0
55336533223885848848485858
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9. The endpoints of a diameter of a circle are A (2,1) and B(5,5). Find the area of the circle in terms of . (1 point)
Georgia [21]

Answer:

Area of the circle is 6.25π sq.unit

Step-by-step explanation:

The centre of the circle is at the mid point of a diameter. Th mid point of the diameter is at (5+22,5+12)or(72,3),which is centre. Radius is the distance from end point (5,5)to centre (72,3)∴r=√(5−72)2+(5−3)2=√1.52+4=√6.25=2.5∴

Area of the circle is Ac=π⋅r2=π⋅2.52=6.25π sq.unit[Ans]

5 0
2 years ago
Read 2 more answers
Evaluate the expression when c=4 and d=48. d-6c​
Rama09 [41]

Answer:

24

Step-by-step explanation:

since c=4 and d=48, we can re-write this equation

48-6 x 4

48 - 24

24

5 0
3 years ago
It's not 193.43%! Get the right answer and u be marked brainliest
nlexa [21]
40.2 - 13.7 = 26.5

26.5 / 13.7 * 100 = 193.43

answer
193%
3 0
3 years ago
Read 2 more answers
How is 33 the answer to 6% of 550
NikAS [45]
Is  %
  =
of 100

x 6
 =
550 100
cross multiply and divide 

100x=3300
divide both sides by 100
x=33

6 0
3 years ago
Heather earns $16 for each hour she works as a lifeguard. Choose the equation that models the situation, where h represents the
lord [1]

Answer:

I'm pretty sure the answer is m = 16h

Hope this helps!

Please mark as brainliest!

5 0
2 years ago
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