.67*8.7= 5.829
Estimated is about 5.8 or 6
Multiply the first equation by 2:-
2y + 4.6 = 0.90x
2y - 0.90x = -4.6
second equation is
-2y - 4.2x = -7.8
Adding:-
-5.1x = -12.4
x = 2.4
-2y = -7.8 + 4.2(2.4) = 2.3
x = -1.2
Answer x = 2.4 and y = -1.2
Its choice A
Step-by-step explanation:
30000 place value
3 face value
Answer:
a) x=1/2
Step-by-step explanation:
Plug In
-3 (1/2) + 1 + 10 (1/2) = 1/2 + 4
:)