Answer:
495 milliliters of the 95% mixture are needed.
Step-by-step explanation:
Given that I need a 90% alcohol solution, and on hand I have a 55 ml of a 45% alcohol mixture, and I also have 95% alcohol mixture, to determine how much of the 95% mixture will I need to add to obtain the desired solution, the following calculation must be performed:
55 x 0.45 + 45 x 0.95 = 67.5
25 x 0.45 + 75 x 0.95 = 82.5
15 x 0.45 + 85 x 0.95 = 87.5
10 x 0.45 + 90 x 0.95 = 90
10 = 55
90 = X
90 x 55/10 = X
4,950 / 10 = X
495 = X
Thus, 495 milliliters of the 95% mixture are needed.
Graph the equation on a graph then the x intercept will be shown, the x intercept is -2.
Answer:
-3/ 20
Step-by-step explanation:
-3/8 * 2/5
Rewriting
-3/5 * 2/8
Simplify the right term by dividing the top and bottom by 2
-3/5 * 1/4
Multiply the numerators and then the denominators
-3/ 20
Cant see it its too blurry bro rip :(
