Answer:
−14x+3
Step-by-step explanation:
Combine Like Terms:
20x+5.5+−34x+−2.5
(20x+−34x)+(5.5+−2.5)
= −14x+3
Answer:
b squared minus 4ac describes the discriminant which means the amount of solutions that the equation will have.
Two lines that will never touch each other
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Answer:
Align the numbers on the decimal point. Place a zero in the hundredths place of 81.3. Subtract from right to left, regrouping as necessary.
Step-by-step explanation:
Answer: 29 cans.
Step-by-step explanation:
20 can survive 24 days with 15 cans.
If X is the number of days that a man can survive with one can of rations.
so X is in the units can/day
then we have that:
24/15*X = 20
X = 20*15/24 = 12.5
This means that a man can live 12.5 days with a can of food.
then, for 16 men and 36 days we have:
(36/C)*12.5 = 16
C = (36/16)*12.5 = 28.1215
And we can not have a 0.1215 of a can, so we should round it up to 29 cans.