B because I’ve done this before
The way u write it in scientific notation is 600+50+2
Answer:
9 is an extraneous solution.
Step-by-step explanation:
Answer:
Step-by-step explanation:
<u>Order total:</u>
- 1.10 + 4 + 8.75 + 15 = 28.85
<u>Subtract coupon value:</u>
<u>Add a tip:</u>
- 20% of 18.85 =
- 0.2*18.85 =
- 3.77
<u>Total amount spent:</u>
Answer:
X= 1, Y= 4, Z= -2
Step-by-step explanation:
(3(6x-2y-3z=4)) + (-2(9x-3y+3z=-9))
Z=-2
Substitute in Z
(6x-2y+6=4) + (3x+2y-4z=7)
X=1
Substitute in Z and X
3+2y-4=7
Y=4