Hniininnii Hniininnii

03-11-2014
Mathematics

contestada

There are 21 males in the algebra 1 class. If 75% is female, how many students are there in the class?

Respuesta :

03-11-2014

[tex]x-\ female\\\\ y-all\ students\\\\ z=21\\ x=0,75y\\\\ x+z=y\\ 0,75y+21=y\ \ \ |subtract\ 0,75y\\ 21=0,25y\ \ \ | divide\ by\ 0,25\\y=84\\\\There\ are\ 84\ students\ in\ class.[/tex]

Answer Link

Otras preguntas

what must happen to the electrons in a material to create an electric current?

which of the following words has a negative connotation? a. trim b. bony c. slender d. slim

What is a behavior in mating in which one male breeds with a female for a certain period of time and then finds a different mate the following mating season?

what is the value of the discriminant, b2 − 4ac, for the quadratic equation 0 = x2 − 4x 5, and what does it mean about the number of real solutions the equation

Which Supreme Court decision was rendered invalid by the landmark civil rights case Brown v. Board of Education?

$1, 000 after 2 years at an interest rate of 3.0% is $ round up to the nearest cent

During the revising phase of the writing strategy, why is reading the essay out loud recommended?

Can someone please help me understand Exponential Growth and Decay please?

what is the sum of 1/9, 2/3,and 5/18? A.19/18 B.4/15 C.12/9 D.8/30

What is the unit rate of y= -2x