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

x=120, n=200, 99% confidence, the 99% confidence interval is?

The sum of the digits of a two-digit number is 12. The number formed by interchanging the digits is 54 more than the original number. What is the original numbe

wWho can help me ,please, please!!!Cine ma poate ajuta, va rog, va rog

which of the above boundaries can produce volcanoes

This is an image of a plant cell showing the organelles present. If we were to compare this cell to an animal cell, we would see something a bit different. Anim

Solve the equation. Identify any extraneous solutions

Which explorer was the first to establish a sea route to Asia? For which European country did he sail?

42) ·California was entered as a free state. ·New Mexico and Utah were to use popular sovereignty to decide the issue of slavery. ·The slave trade was

Anti-Communist forces, with aid from the Allies, fought the Communists on many fronts between the years _____ and _____.

What word or phrase is modified by the prepositional phrase in the sentence below? Michael joined a winter soccer league so he could play in between his school