Yes it is a rational number
Xy = 72
x - y = 1
x = 1 + y
(1+y)y = 72
y + y^2 = 72
y^2 + y - 72 = 0
(y-8)(y+9) = 0
y = 8 , y = - 9
x = 1 + 8
x = 9
y = 8
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The Cost of a Basic Car: $10,150.00
Options on the Cost of a Basic Car: $738.00
License and Registration Fee: $50.00
Subtotal: $10,938.00
Sales Tax: 0.06
Total: $11,594.28
I notice that I have to add the cost of the car, the option of the car, the license and registration fee, and the sales tax in order to find out the total of what it might cost for all of them. So I calculated it in a receipt form to find of the subtotal and the total of Ray' s cost, which is above the screen.
Lanthanides are in period 6 and actinides are in period 7. They are at the down part of the page so that the periodic table can fit on the page.
Answer:
english!? sorry
Step-by-step explanation:
