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lana [24]
3 years ago
12

A circle is centered at the point (5, -4) and passes through the point (-3, 2).

Mathematics
1 answer:
Dafna11 [192]3 years ago
7 0
The equation of a circle with center (h, k) and radius r is
.. (x -h)^2 +(y -k)^2 = r^2
Filling in the given information, you have
.. (-3-5)^2 +(2-(-4))^2 = r^2
.. 64 +36 = r^2 = 100

The equation of the circle is then
.. (x -5)^2 +(y +4)^2 =100

Your blanks are filled with (-5), (4), (100).

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What is a good estimate for 280% of 30? Explain.
andrey2020 [161]

Answer:

84

Step-by-step explanation:

Calculator:280÷100×30=84

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2 years ago
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(iii) A relation between a and b such that point (a,b) isequidistant from the points (8,3) and (2,7)​
RUDIKE [14]

Answer:

7.21 units

Step-by-step explanation:

GIven data

Point 1= (8,3)

x1= 8

y1= 3

Point 2=  (2,7)​

x2= 2

y2= 7

The expression for the distance between two points is given as

d=√((x_2-x_1)²+(y_2-y_1)²)

substitute

d=√((2-8)²+(7-3)²)

d=√((-6)²+(4)²)

d=√36+16

d=√52

d= 7.21

Hence the distance between the points is 7.21 units

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3 years ago
A cell phone company charges a one-time activation fee, as well as a monthly service charge for a cell phone plan with unlimited
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I think the answer is B
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sam rolls 3 standard fair dice. that probability that the three numbers rolled on the dice are the sides of a triangle is , wher
mart [117]

The required probability for three numbers rolled on the dice are the sides of a triangle is 31/36.

<h3>What is probability?</h3>

The area of mathematics known as probability studies potential outcomes of events as well as their relative probabilities and distributions. It is based on the likelihood that something will occur. The justification for probability serves as the main foundation for theoretical probability.

Here,

When three dice are rolled, there are 63=216 possible outcomes, or triplets (x, y, z).

Once more, in a triangle, any two sides added together are larger than the third side, or (x+y)>z.

As a result, 186 outcomes or triplets are possible and satisfy this property.

Hence, the required probability is 186/216=31/36.

The required probability is 31/36 for three dice rolls to produce triangle sides.

To know more about probability,

brainly.com/question/11234923?referrer=searchResults

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