Step-by-step explanation:
y=2x+9
y=6−x
(y-2x=9)(-1)
y+x=6
-y+2x=-9
y+x=6
3x=-3
x=-3/3=-1
sub x=-1 in eq 1
y-2(-1)=9
y+2=9
y=9-2=5
so (-1;5) is the only solution for this system
(hope it's correct)
Answer:
The answer is D
Cuba, Poland, U.S., Argentina, Turkey, and Spain
Step-by-step explanation:
Basically, what it was asking, is what countries are over 90%? So, all you have to do - to put it simply - is just look at the countries that's numbers are greater than 90%
If it's a positive number you subtract from both sides, but if it's a negative number you add on both sides.
Answer:
11.) 765%
14.) 1630%
16.) 1250
17.) 275
Step-by-step explanation:
sorry i cant see the rest of the questions!
Answer:
Step-by-step explanation:
Solve absolute value.
There are two possibilities.
First possibility:
No solution.
Second possibility: