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olganol [36]
3 years ago
7

If the radius of the circle is 9 cm, what is the area of sector AOB

Mathematics
1 answer:
cupoosta [38]3 years ago
3 0
254.47 you can google this kid just search formula for the area of a circle. Or A=pie*r^2
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Find the perimeter of a rectangle whose length is 18 m and breadth is 5 m
IrinaVladis [17]

Answer:

46m

Step-by-step explanation:

2(18)+2(5)=46

3 0
3 years ago
Read 2 more answers
Find the greatest possible error for each measurement.<br> 12.3 L
melisa1 [442]

Answer:

the GPE is 1/2 the unit of measure used to make the measurement or you say 1/2 the most precise unit

12.3 L has 0.1 as the most precise unit of measure, so 1/2 of 0.1 is 0.05 L which is c. above

look at it this way: 12.3 can be any number between 12.25 and 12.34 rounded to the nearest tenth

any number from 12.25 to 12.34 rounded to the nearest tenth gives you 12.3, so the GPE that you can possibly make is 0.05; if the number was 12.24 it would round down to 12.2 not up to 12.3 and if the number was 12.35 it would round up to 12.4 not round down to 12.3, so again the greatest possible error that you can make is 0.05

6 0
2 years ago
Twellve concert tickets cost $450 what is the cost of 3 tickets to the same concert
Scrat [10]
1) $450/12=$37.50
2)$37.50x3=$112.50

The answer is: $112.50

I hope this helps
4 0
3 years ago
In a survey of 200 professors at Gotham University, professors were asked, “Regarding your weight, do you think you are: About r
DochEvi [55]

The probability that a randomly selected professor is female and feels "About Right" is 0.40

The distribution table :

____About right _ Oweight _ Uweight __ Total

Female _ 80 _____ 39 ______ 3 _______ 122

Male ___ 52 _____ 10 ______ 16 _______ 88

Total ___ 132 ____ 49 ______ 19 _______ 200

Oweight = Overweight

Uweight = Underweight

Recall :

Probability = required outcome / Total possible outcomes

Probability that a selected professor is female and feels 'About right' :

Required outcome = number of female professors who feels 'About right' = 80

Total number of professors = 200

Hence,

P(Female and 'About right') = 80/200 = 0.40

Learn more : brainly.com/question/11234923

3 0
3 years ago
The equation x squared + y squared = r squared
WITCHER [35]
(5-0)^2+(-2+0)^2=r^2\\&#10;25+4=r^2\\&#10;29=r^2\\\\&#10;\boxed{x^2+y^2=\sqrt{29}}
5 0
3 years ago
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