Answer:
5
Step-by-step explanation:
u can add 2 and 3 when their base number (3) are the same
Answer:
y = 
x - 9
Step-by-step explanation:
Answer:
Volume is 80 cc
Ratio is 23 skittles per 20 cubic centimeter
Volume of a skittle is .416 cubic centimeters per skittle
Step-by-step explanation:
Volume = l*w*h = 4*4*5 = 80 cubic centimeters
192 skittles / 80 cubic centimeters is the ratio. You have to simplify it though.
192/80=46/40 23 skittles per 20 cubic centimeters
The volume of a skittle is 80 cubic centimeters/192 skittles = .416 cm^3/skittle
Answer:
Step-by-step explanation:
Note that the quadratic formula has that "plus or minus" due to our taking the square root of some quantity. No square root is involved in the two formulas you've posed.
I have two suggestions here:
1) Write " (x plus or minus y)^2 = x^ plus or minus 2 times xy + y^2 " Note that a + on the left side corresponds to a + on the right side, and same with - .
2) Memorize these two formulas, which in most algebra textbooks you'll find in the section "special products and factoring."
