- 8 -(-4) = -4. The shaded buttons with - in them are negative. Cross then mount is subtract because they are “taking away”
3 - (-6) = -9. They started with 3 buttons. In order to subtract negatives when there,are none (or not enough, you have to bull negatives out of thin air ( bypassing zeros) so you add zero pains (as many as you need to subtract the negative.
A zero pair is two buttons that add to zero: one positive and one negative
Answer:
Alaska's coastline is 4.9 times greater than Florida's coastline
Step-by-step explanation:
Let
x ------> Alaska's coastline in thousand miles
y ------> Florida's coastline in thousand miles
we have
The ratio of Alaska's coastline to Florida's coastline is equal to
so
therefore
Alaska's coastline is 4.9 times greater than Florida's coastline
-- take the equation of the parabola
-- wherever you see 'y' in the equation, write 'x'
-- wherever you see 'x' in the equation, write 'y'
I'd add them just as they are, and later convert the result into a mixed number.