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Fittoniya [83]
3 years ago
5

suppose you know the center of the circle and a point on the circle. How do you determine the equation of the circle

Mathematics
1 answer:
Debora [2.8K]3 years ago
6 0
The equation you use is  (x – h)2 + (y – k)2 = r 2, r being the radius & h being the center hopefully this helps?
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Building a is 160160 feet shorter than building
Serjik [45]
I assume the heights are 160 ft and 1480 ft.

The two heights are unknown, so we will use variable h to help solve the problem.
The shorter building, building A, has height h.
Since building A is shorter by 160 ft, then building B is taller by 160 ft, so the height of building B is h + 160.

Now we add our two heights to find the total height.

h + h + 160 is the total height.
We can write it as 2h + 160

We are told the total height is 1480 ft, so we let 2h + 160 equal 1480, and we have an equation.

2h + 160 = 1480

Subtract 160 from both sides

2h = 1320

Divide both sides by 2

h = 660

h + 160 = 820

Building A measures 660 ft.
building B measures 820 ft.
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3 years ago
A cliff Diver jumps from 50 feet into a lake. After hitting the water he travelled 22 feet below the surface. How far did he tra
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Add both distances together:

50 + 22 = 72 feet total distance.

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Step-by-step explanation:

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Name two ways you might see decimals used outside schools.
Maru [420]

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Answer:

M=5+20

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I’m using M for representing Micah’s age.

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