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lord [1]
3 years ago
5

HELP PLEASE Find the center and radius of the circle.

Mathematics
2 answers:
arlik [135]3 years ago
8 0

Answer:

r = 5

Step-by-step explanation:

mixas84 [53]3 years ago
5 0

Answer:

Centre: (-4,1)

Radius: 5

Step-by-step explanation:

h = -8/2 = -4

k = -(-2)/2 = 1

(-4)² + 1² - (-8) = r²

r² = 25

r = 5

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Free_Kalibri [48]
1.15(300).
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3 years ago
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Find the measures of an interior angle and an exterior angle of a regular hexagon. The measure of an interior angle is 120. The
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Answer:

see explanation

Step-by-step explanation:

Since a hexagon has 6 interior angles and the measure of one is 120°, then

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7 0
3 years ago
Find the area of the blue sector of the circle. Round to the nearest hundredth.
Varvara68 [4.7K]
A diagram must be associated with the question above. Based on what I researched, this is what I got.

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I hope this answer helps.
8 0
3 years ago
In a survey of 12 people, it was found that an average of $36 was spent on their child's last birthday gift with a standard devi
Nataliya [291]

Answer:

(27.3692 ; 44.6308)

Step-by-step explanation:

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Confidence interval :

Xbar ± Margin of error

Margin of Error = Tcritical * s/sqrt(n)

Margin of Error = 2.718 * 11/sqrt(12) = 8.6308

Confidence interval :

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Upper boundary : 36 + 8.6308 = 44.6308

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3 years ago
A town has a population of 50,000. it’s rate increase is 8% every 6 months. find the population after 4 years
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82,000 bc 8% of 50,000 is 4000 and 4000 times 8 is 32,000 + 50000
6 0
2 years ago
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