dashabo123
dashabo123
11-02-2017
Mathematics
contestada
can someone explain how to do this problem?
Respuesta :
miner3mj
miner3mj
11-02-2017
Divide the second one by 6 to find x-y=-4 and then multiply it by 2 to find that 2x-2y = -8 and then subtract it from the top one to find that 8x = 8 and x= 1 and then solve for y to find that y= 5
Answer Link
VER TODAS LAS RESPUESTAS ( 37+ )
Otras preguntas
solve the equation for the variable r/4=18
The sun casts the shadow of a 10-foot tree on the ground with an angle of 33 degrees. If you are standing on the tip of the shadow, approximately how far are yo
Dominic made the table below to organize his notes about mixtures. A 1-column table. The first column labeled properties of mixtures has entries has no set comp
a woman bought some large frames for $15 each and some small ones for $7 each. She bought 20 frames for $172, how many of each size?
why is it so important for animals to keep the concentration of their body fluids constant
What are the job prospects for students with either a bachelor’s degree, master’s degree, or a doctoral degree in psychology? (Site 1)
A botanist has acquired a group of sweet pea plants. All of the plants have yellow pea pods (the recessive trait), except for one, which has green pea pods (the
Every time you hit the brakes, you are attempting to overcome _____. A. potential energy B. kinetic energy C. static electricity D. the force of impact
No army when needed
In the right triangle shown, AC= 3 and BC= 5. What is AB