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3 years ago

5

GEOMETRY HELPPP PLEASEEE

2 answers:

Anuta_ua [19.1K]3 years ago

8 0

Answer:

Step-by-step explanation:

Andre45 [30]3 years ago

5 0

What’s the question-?

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Consider a population consisting of the number of teachers per college at small 2-year colleges. Suppose that the number of teac

agasfer [191]

Answer:

a) $\frac{8}{9}$ =0.89

b) 0.8413

Step-by-step explanation:

we know that

$P(║ x -\mu║ \leq k\sigma) \geq 1 -\frac{1}{k^2}$

$so, \mu = 150, \sigma = 20$

$k = \frac{210 - 150}{20} =\frac{150 - 90}{20} = 3$

$P(║ x -150 ║ \leq 3\times 20) \geq 1 -\frac{1}{3^2} = \frac{8}{9}$

x - N(150, 20^2)

$P(X \leq 170) = 0.8413447$

check

$P norm = \frac{170 - 150}{20}= 0.8413447$

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3 years ago

Area of a circle

Nutka1998 [239]

Answer:

49 pie

Step-by-step explanation:

Area of a circle is pie(radius squared)

radius is half diameter

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3 years ago

Apple juice costs $3.00 after a 40% discount. Which equation would allow you to find the original price of the apple juice. X re

Stells [14]

Answer: 0.4x = 3 is the answer

Step-by-step explanation:

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3 years ago

Write and solve a system of equations that represents each situation.

kotegsom [21]

(7+x)+x=15
I did trial and error to get x=4.

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3 years ago

Ramesh took 30 minutes to jog from home home to a nearby park at a speed of 100 m/min.He took 5 minutes lesser to jog home from

vaieri [72.5K]

I'm pretty sure he was going 125 m/min

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3 years ago