Answer:
4.25 grams
Step-by-step explanation:
100 / 5 = 20
85 / 20 = 4.25
4.25 grams of pure drug are in 85 milliliters of a solution.
M=slope=(y2-y1)/(x2-x1)=(-6-1)/(8-8)=-7/0 which is technically undefined. This is just a vertical line namely:
x=8 (you can think of a vertical line as having infinite slope)
A fraction is bigger than a negative number. This is because, a negative number is below zero, while a fraction is greater than zero.
Answer: x = 9/5 or x = 1 4/5
Step-by-step explanation:
2/9 x = 2/5
2/9 * 9/2 * x = 2/5 * 9/2
x = 2/5 * 9/2
x = 9/5 = 1 4/5