Seudónimo Seudónimo
  • 25-05-2017
  • Mathematics
contestada

a class has 9 girls and 12 boys what is the probability of the teacher randomly calling on a boy?
3/4
4/7
3/7
4/3
Tysm!

Respuesta :

angelicdragon12
angelicdragon12 angelicdragon12
  • 25-05-2017
3/4 because there are 9 boys and 12 girls, which is 9/12 which then simplifies to 3/4
Answer Link
Aut0
Aut0 Aut0
  • 25-05-2017
3/4 because 9/12 reduces to 3/4
Answer Link

Otras preguntas

express the percent as a decimal 76.7%
Avery jumped over 15 hurdles. If these hurdles are 60% of the hurdles in the race, how many hurdles are there in all?
What is the area and perimeter of a triangle with the height of 20 and bases: 12 and 16?
How are energy, work and power related? If a handsaw does the same amount of work on a log as a chainsaw does, which has a greater power? Why?
a man is pulling on his dog with a force of 70.0 N directed at an angle of +30.0° to the horizontal. Find a the x and y components of this force
if T (n) = 2 -7n, what is the first term?
What were Verrazano, Cartier, and Hudson searching for in the Americas?
what is a group of electrons orbiting at roughly the same distance from the nucleus
Show on a number line please. |2x-1| +2 < 15
Graph the equation 2x=y+8