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Naya [18.7K]
2 years ago
12

Susan knows that the coordinates of the center of a circle and a point on the circle are (-3, 2) and (10, -2), but she can't rem

ember which coordinate pair is which. What could be an equation of the circle? Explain your answer.
Mathematics
1 answer:
abruzzese [7]2 years ago
7 0

9514 1404 393

Answer:

  (x +3)² +(y -2)² = 185

  (x -10)² +(y +2)² = 185

Step-by-step explanation:

One possible equation comes from using one of the points as center. The other possible equation comes from using the other point as center.

The radius can be found from the distance formula:

  r² = (x2-x1)² +(y2-y1)² = (10-(-3))² +(2-(-2))² = 169 +16 = 185

The circle formula is ...

  (x -h)² +(y -k)² = r² . . . . . . for center (h, k) and radius r

The above equations and the ones shown in the attachment are possibilities.

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antoniya [11.8K]
When you see % next to a number, you multiply it by .01.
10 becomes .1
10.5 becomes .105

220*.1=22, so this is the 10% off
220*.105=23.1, so this is the 10.5% service charge.

220-22+23.1=$221.10 for the ticket.
7 0
3 years ago
7 3 If you were to graph a line with a slope of 3/2 that intercepts the y-axis at -2 on the coordinate plane, one point on that
pychu [463]

Answer:

4

Step-by-step explanation:

Make a graph.

Start at negative 2 because that's the y intercept. Remember that a minus sign in front of the y intercept just means it's negative.

The slope is basically the rise over the run. How much you go UP divided by how much you run. Since the slope is 3/2, we go up 3 and right 2.

Keep making points and you get 4

3 0
2 years ago
Sam rolls a fair dice and flips a fair coin.
wolverine [178]

Answer:

The probability that this occurs is 25%, as 3/6 (chance to roll an odd number) multiplied by 1/2 (chance to flip a head) is .25.

Step-by-step explanation:

8 0
3 years ago
PLEASE HELP.<br>What is the slope of theine graphed below​
Aleks04 [339]
The slope is 3/2

Steps:
4 - (-2) = 6

5 - (-4) = 9

Put into a fraction, with the y sum on top.

Reduce

5 0
3 years ago
Read 2 more answers
Pleaseeee I need helppppp
77julia77 [94]

Answer:

v^32

Step-by-step explanation:

-4x-8=32

since it is a negative times a negative it becomes a positive

4 0
2 years ago
Read 2 more answers
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