Seudónimo
Seudónimo
13-08-2014
Mathematics
contestada
7/9=b/b-10 please help!!
Respuesta :
Аноним
Аноним
13-08-2014
[tex]\frac{7}{9}=\frac{b}{b-10}\\\\cross\ multiply\\\\9b=7(b-10)\\9b=7b-70\ \ \ \ |subtract\ 7b\ from\ both\ sides\\2b=-70\ \ \ \ \ \ |divide\ both\ sides\ by\ 2\\\\\boxed{b=-35}[/tex]
Answer Link
VER TODAS LAS RESPUESTAS ( 29+ )
Otras preguntas
literature and figurative language literature elements: for each item below select one of the literature elements listen and write it on the line after the se
Zelia loses 7 points every 3 minutes that she doesn't make it to the next level on the video game If she plays for 24 minutes without reaching the next level,
What is 5/6 divided by 3/7 in simplest form
Can some one help me solve this question 3.5x-20=2.4x+13
In Both ancient Athens and the early United States, citizenship initially was??? a) limited to men and woman over the age 35 b) limited to men over the age 35 c
Which describes the Magna Carta? A. a set of laws for British colonists B. a document giving Englishmen political rights C. a promise of independence for the co
Help! I'm not sure how to set this up. Here is the question; Faye paid $16.00 for a pair of shorts that were 20% off. What was the original price of the shorts.
Last month, Steven had $4285.68 that he divided into two accounts. He deposited 1/3 into a savings account. He deposited the rest into his checking account. H
Norma practices violin for 50 minutes every day. How many minutes does Norma practice violin in 7 days?
In Both ancient Athens and the early United States, citizenship initially was??? a) limited to men and woman over the age 35 b) limited to men over the age 35 c