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

Is my answer correct? Which of the following is a possible set of quantum numbers for an electron (n, l, m subscript l, m subscript s) ? (1, 0, 0, +1) (2, 2, 1

You performed a finger sweep for the unconscious, choking child and pulled an object out of her mouth. What is your next action?

Some historians may write only to promote a particular cause what is the writing considered to be and how is it typically presented in which way

Annabelle and Navene are multiplying (4^2 7^5) (4^3 7^2)

Which situation best represents the president acting in the role of commander in chief? a.negotiating an arms limitation treaty b.vetoing a law that expands f

Which type of medication can increase the risk of falls?

What organization is responsible for regulating tobacco?

help me, please..... mammy and his partner just adopted twins and have decided to adjust their monthly budget. the couple has a monthly income of $6,600 and ant

Is gasoline an element compound or mixture?

The table shows the outputs, y, for different inputs, x: Input (x) 2 5 9 12 Output (y) 20 15 12 8 Part A: Do the data in this table represent a function? Justif