mariambaluch21 mariambaluch21

01-05-2020
Mathematics

contestada

John flips a fair coin 40 times. How many times can he expect heads to appear?
4
10
15
20

Respuesta :

01-05-2020

The answer is 20, since it’s heads and tails you have a half and half chance, therefore you divide 40 in half and get 20

Answer Link

Otras preguntas

Harry needs £400 to buy a new computer. He has saved £160 so far. What percentage has Harry saved

Find all the powers of 3 in the range 3 through 1,000.

The legs of an isosceles right triangle are 5 inches long. What is the length of the hypotenuse of the triangle to the nearest inch?

What issues led to the revolts in South America? social injustice slavery emigration economic restrictions

A rectangle’s length is seven inches more than its width. If “w” is the width of the rectangle, in inches, what is the length of the rectangle, in inches?

write a compound inequality that represents the evelation range for each type of plant life

5\7m-2-6\7m=-13 what is the answer

What observation led researchers to propose that chloroplasts evolved from cyanobacteria?

what biome do we live in? Explain your answer.

give the number of valence electrons for each of the following: Ba, Al, P, Se, Br, K