StudentIELol StudentIELol

02-06-2016
Mathematics

contestada

Please help me! Thanks
what is the ratio of a to b?

1/2 = a+b/a-b

A. -3

B. -1/2

C. -1/3

D. 3

Respuesta :

D1eformetal D1eformetal

02-06-2016

(Cross Multiply)2a+2b=a-b
a=-3b
if b=1; a=-3
correct answer is -3..
Good Luck..

Answer Link

alybsinger alybsinger

02-06-2016

1=a+b. 2=a-b a= 2+b 1=2+b+b. a=2-1/2=3/2 -1=2b b=-1/2 a/b= (3/2)/(-1/2) = (3/2)(-2/1) =-3

Answer Link

Otras preguntas

While rolling a wheel with a diameter of 19/2 ft makes 133 revolutions. Find the distance that is traveled by the wheel. Use 22/7 for pi

Jim has $16,000 in savings, and he's considering a $15,000 car. He'll likely be driving quite a bit since he has a long commute to his downtown office from his

Why are many of the same genes found in almost all living organisms? (2 points) A: Similar genes arose independently under similar conditions.

at the market 7 apples cost 4.55 how much does 9 apples cost

The Renaissance shifted the direction of learning to reflect the ideals of _____________. (1 point) humanism revolution conservatism communism

Choose an object that is about the same length as a real baseball bat.explain how to estimate its length in feet.

×=40÷10= I'm trying to ask Google but they is not showing me nothing

true or false: If you perceive a leaf as green, then the leaf is absorbing all the frequencies of visible light except for that associated with green.

A vector has both a___ and a direction

If left untreated, gonorrhea can lead to all of the following except: A. chancres in males or females B. scarring of the urethra in males C. pelvic inflamma