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 ( 81+ )
Otras preguntas
Planet C has a tilt of zero degrees. What seasonal changes would be expected on this planet? Extreme temperature changes between seasons No change in tempera
Which of the following is true about the age of rock layers and the age of the Earth?
What is the highest energy phase naturally on earth.
What is the area of the trapezoid with height 10 units? Enter your answer in the box.
for anatomy and physiology
Which of the following leaders is an example of an autocratic leader? A. a prime minister B. a president of a republic C. a constitutional monarch D. a dictator
Why is using “astronomical units” easier than using kilometers or miles for measuring distance in the solar system?
what is the solution of the system? y=x-14 y=-4x+11 Plz emergencyWILL GIVE BRAINLIEST!!!!A.(5,-9)B.(1/5, -69/5)C.(5/3, -37/3)D.(-3/5, -73/5)
How does Earl Thorpe account for the popularity of Booker T. Washington among blacks in his day?
The sentence in the article that are based on opinion when talking about recycling
