Answer:
(5,-3)
Step-by-step explanation:
9x+2y=39
6x+13y=-9
---------------
117x+26y=507
12x+26y=-18
----------------------
105x=525
x=5
Substitution
9(5)+2y=39
45+2y=39
2y=-6
y=-3
Answer:
-7
Step-by-step explanation:
Hope it helped!
You would multiply 50x16 being 16 ounces= 1 pound and than divide that by 10
Answer:
Height is 12 ft Diagonal is 13 ft
Step-by-step explanation:
I think this is right but im not sure 100% let me know if i'm wrong please.
2*10^6 + 6*10^5 + 3*10^3 +9*10^1 +4*10^0
see expanded form is adding the digits together. and it would be what ever one number is times 10 to the power of how many digits are after that number. you skip the 0's though. hope this helps