The second equation is <span>-5-2y=2, then
</span>
<span>-2y=2-(-5),
</span>
-2y=2+5,
-2y=7,
y=7÷(-2),
y=-3.5.
The first equation is 2x+5y=16, subtitude y=-3.5 in this equation, then
2x+5·(-3.5)=16,
2x-17.5=16,
2x=16-(-17.5),
2x=16+17.5,
2x=33.5,
x=33.5÷2,
x=16.75.
Answer: (16.75,-3.5)
Answer:
I got 103˚ because I put (x+40)˚ into the calculator
Answer:
im good at math
Step-by-step explanation:
Answer:If a polygon is not regular will it have any congruent angles
Step-by-step explanation:
The trinomial that results from foiling the binomials is 6x^2+41x+30.
