KingKwek359
KingKwek359
12-11-2014
Mathematics
contestada
If A+B = 76 & A -B = 38 What is A/B?
Respuesta :
luana
luana
12-11-2014
[tex]A+B=76\\ A-B=38\ \ --->\ \ A=38+B\\\\ 38+B+B=76\\ 38+2B=76\ \ | subtract\ 38\\2B=38\ \ \ | divide\ by\ 2\\ B=19\\A=57\\\\ \frac{A}{B}=\frac{57}{19}=3[/tex]
Answer Link
henryw90
henryw90
12-11-2014
A+B=76
A-B=38
A=38+B
Substitute into other
38+B+B=76
2b=38
b=19
A+19=76
A=38
B=19
Answer Link
VER TODAS LAS RESPUESTAS ( 25+ )
Otras preguntas
How did the widespread use of the automobile affect the environment and lives of americans?
Describe the difference between negative and positive feedback
Please read the article on Henry Grady. Summarize his vision for Georgia, using complete sentences. Question 1 options:
round 67,436,828,104 to the nearest million
Kelley has taken on extra responsibilities at work that have caused her more stress than she had expected. her decision to return to her normal workload would b
Need help on this for the writing part...
Debra, Shen, and Trey have a total of $126 in their wallets. Debra has $6 less than Trey. Shen has 4 times what Trey has. How much does each have?
For compounds having similar rf values, what could be done to improve the separation of spots
Please help me with this
How many equivalent resonance forms can be drawn for co32-? (carbon is the central atom.) how many equivalent resonance forms can be drawn for co32-? (carbon is
