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DedPeter [7]
3 years ago
5

Find the equation of a circle whose endpoints of the diameter are (15, - 3) and (7,3). The equation of the circle is (Simplify y

our answer. Type your answer in standard form.)​
Mathematics
1 answer:
Nana76 [90]3 years ago
8 0

Answer:

(x - 11)² + y² = 25

Step-by-step explanation:

First find the center

O = ( (15 +7 / 2), (-3 + 3)/2 )

O = (11, 0)

Then find the radius squared

use the distance formula from the center to either end point of the diameter

r² = (15 - 11)² + (-3 - 0)²

r² = 16 + 9

r² = 25

Formula for circle

(x - h)² + (y - k)² = r²

(h, k) is the center = (11, 0)

The equation is

(x - 11)² + y² = 25

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Point R is located at  (3,2) and point S is located at (8,15) . What are the coordinates of the point that partitions the direct
faltersainse [42]
The coordinates of the point can be solve using the fomula:

x = x1 + r( x2 - x1 )
y = y1 + r( y2 - x1)
where r is the ratio that partitions the segment
x = x1 + r( x2 - x1 )
x = 3 + 1/3( 8 - 3 )
x = 3 + 1/3( 5 )
x = 14/3
y = y1 + r( y2 - x1)
y = 2 + 1/3( 15 - 2)
y = 2 + 1/3( 13 )
y = 19/3
so the coordinate is ( 14/3 , 19/3 )
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3 years ago
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Step-by-step explanation:

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Ilia_Sergeevich [38]
D is answer.
Perimeter is 2x +3x +2x + 3x = 10x where x is unknown factor of distance.
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Answer:

34 apples

Step-by-step explanation:

To answer: try setting up each of the equations for Annie and Eva.

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Eva: 1(bag) + 11

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2(bag) + 5 = 1(bag) + 11

Now solve for the size of the bag.

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