The correct options regarding the circle with endpoints of the longest chord at (4, 5.5) and (4, 10.5) are:
- The radius is of 2.5 units.
<h3>What is the equation of a circle?</h3>
The equation of a circle of center 
and radius r is given by:
The center is the <u>midpoint of the chords</u>, hence:
.
.
The radius is half the distance between the chords, hence:
.
Hence the equation is:
More can be learned about the equation of a circle at brainly.com/question/24307696
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Answer:
$31.00
Step-by-step explanation:
that is the procedure above
Answer:
The expected value of one draw is the average value of these 10 slips of paper which is:
24 / 10 = 2.4
Step-by-step explanation:
We have a bag with 10 slips of paper in it. 8 slips of paper each has a 2 on them; 2 slips of paper each has a 4 on them.
The total value of all the slips when added together is:
= (8)(2) + (2)(4)
= 16 + 8 = 24
The expected value of one draw is the average value of these 10 slips of paper which is:
24 / 10 = 2.4 ....
Answer:
Step-by-step explanation:
<u>Roots:</u>
<u>The equation:</u>
- (x - x₁)(x - x₂) = 0
- (x - (-3))(x - 5) = 0
- (x + 3)(x - 5) = 0
- x² + 3x - 5x - 15 = 0
- x² - 2x - 15 = 0
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