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natita [175]
3 years ago
5

How do you work out the radius of a circle from its area ?

Mathematics
2 answers:
Bond [772]3 years ago
7 0
Area of circle:

A = pi(r)^2

to solve for r radius, first divide both sides by pi:
A/pi = r^2

then sq root both sides:
sq root(A/pi) = r

so if you were given the area of a circle, divide the area by pi then find the square root to find the radius
goblinko [34]3 years ago
3 0

Answer:

u divide the area by 3.14

Step-by-step explanation:

it reverses the area

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Which equation represents a linear function? Equation 1: y = 2x + 1 Equation 2: y2 = 3x + 1 Equation 3: y = 5x5 − 1 Equation 4:
Andreyy89
Equation 1 represents a linear function.
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3 years ago
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A family spent $65 on dinner and left a 20% tip. What was the total cost of their meal?
Oxana [17]

Answer: B, $78

Step-by-step explanation:

If the tip is 20% of the dinner cost, then we have to first find what is 20% of 65.

20% x 65 = 13. So the tip for the dinner is 13 dollars.

Now we have to add it to the original dinner cost.

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3 years ago
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Please help will give brainliest
notka56 [123]

Answer:

b

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3 0
3 years ago
A) NO CHANGE<br> B) City in the 1860s,<br> C) City, in the 1860s,<br> D) City in the 1860s
Oliga [24]

The correct option is B. City in the 1860s.

Conference In Two Years is the full form of CITY, CITY stands for Conference In Two Years, or Conference In Two Years is the complete name of the given abbreviation.

Any person whose salary is payable, in whole or in part, from the City treasury is referred to as a "City Official," as is any employee, officer, or elected official of the City.

Life as it is lived in a city, especially when compared to that of a small town, hamlet, etc.; the way of life thought to be typical of city dwellers.

Disclaimer

City in the 1860s- stole more than $30 millions.

Choose the correct option

A) NO CHANGE

B) City in the 1860s,

C) City, in the 1860s,

D) City in the 1860s

Learn more about City here

brainly.com/question/237028

#SPJ4

4 0
1 year ago
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