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UkoKoshka [18]
3 years ago
12

Can someone please help me ‍♂️

Mathematics
2 answers:
Gekata [30.6K]3 years ago
8 0
A=pir^2
Pi(9)^2
Equals 81 pi
If 81 pi is the whole circle which is 360 then what is 120
120 times 3 =369
So 81/3

Answer 27pi.

A is the answer
klasskru [66]3 years ago
6 0
Well 120 is 1/3 of the square so the 9ft is 2/3 of the square so it is B
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Two sections of a class took the same quiz. Section A had 15 students who had a mean score of 80, and Section B had 20 students
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Answer:

85.7

Step-by-step explanation:

Given that two sections of a class took the same quiz. Section A had 15 students who had a mean score of 80, and Section B had 20 students who had a mean score of 90.

Section A total score = 15*80=1200

Section B total score 20*90 = 1800

Overall total score=3000

Overall total students = 15+20 =35

Hence overall mean = \frac{3000}{35} \\=85.7143

rounding off to one decimal place

overall mean = 85.7

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2 years ago
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3 years ago
Please help need asap
trapecia [35]

brainly.com/question/27661391 yo im begging some one to help

Step-by-step explanation:

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Water goes over a waterfall at a rate of 162 1/2 gallons every 15 minutes. Which would not be a proportion you could use to solv
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Answer: See explanation

Step-by-step explanation:

You didn't give the options but let me help out.

First, we need to convert 2 2/3 hours to minutes. This would be:

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