exam
Maths Puzzle
Numerical Ability
WORD PROBLEM:
How much water should be added to 8 ML of 6% Saline solution to reduce the concentration to 4%?
Please Help?
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exam Other Question
What are the values of the indices i and j for the element that is in the fifth column and fourth row?
a. 4, 5, respectively
b. 5, 4, respectively
c. Either 4, 5 or 5, 4; they are interchangeable
d. There are no elements in matrices
how do I graph 2y+5x=-2
I came up with (0,-1) and (-2/5,0) but do not know if it is correct and if so how to graph