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

The amounts of food waste generated in a region for 2 years were 37,500,000 tons and 30,400,000 tons. What was the total food waste generated in the region for

Hannah paddled the canoe for 3 hours at 2.2 miles per hour. How far did she paddle?

Popular adolescents generally possess __________, which would make them good diplomats.

1.Which values for a and b make the statement (a + 2)(b - 9) = 0 true?a. a = 2, b = -9b. a = -2, b = 9c. a = -2, b = -9d. a = 2, y = 92.Which values for x and y

What is the sum of the terms of the series (-1) + (-2) + (-3) +... + (-10)?A. -110B. -55C. -22

PLEASE HELP WITH MATH . REALLY APPRECIATED . EASY 9 POINTS .

i just want to make sure the answer i think is right is correct

Solve for t. t – 15.7 = 53.4 * A. 38.7B. 68.1 C. 37.7 D.69.1

Which specialized cells are responsible for transmitting messages throughout the body? neurons epithelial cells blood cells muscle cells

How many grams of naoh is produced from 1.20 x 102 grams of na2o?