25erasmussen 25erasmussen

11-04-2019
Mathematics

contestada

Please help me with this question! A circle has an area of 40 square meters. Which answer is closest to the measure of its diameter?

Respuesta :

11-04-2019

Area=pi r^2

40=3.14 x r^2
Divide both sides by 3.14
12.7=r^2
Square root of both sides
3.6=r
Diameter is 3.6 x2

7.2

Answer Link

Otras preguntas

In a class the ratio of the number of boys to the number of girls is 5:6.if there are 20 boys in the class,how many pupils are in the class?

Rust is and will gradually destroy metal

Find the x-intercept and the y-intercept of the graph of the equation. 4x + 2y = 24 The x-intercept is (Type an integer.) Å

Given the function f)(x) =-x^2+3x+8,determine the average rate of change of the function over the interval listed in the picture.

I need the answers of this worksheet, urgent!

He died a horrible death after being unintentionally poisoned by his wife I think theseus but i.d.k A.Hercules B.Theseus C.Perseus D.Jason

SOLVE ASAP PLZ It has to be done in few hours

The role of the MIND and mental processes

What do you see in the mural painting by Juan O'Gorman?

8. If a sweater regularly sold at $45 is marked down 25%, what is the sale price? (A) $11.25 (B) $33.75 (C) $20.00 (D) $37.00 (E) $34.00