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Does it matter what number goes first in a ratio and can you explain?
it matters in lots of cases. by definition speed or velocity is the ratio of distance traveled to time taken. In equation form v = d/t distance must be first. density is the ratio of mass to volume density = mass/volume mass is first
How does one find out if an equation's graph goes through the origin?
-- Take the equation -- Set either 'x' or 'y' equal to zero -- Solve the resulting equation for the remaining variable -- If the remaining variable is then also zero, then the origin is on the graph of the function If the graph is a straight line ('x' and 'y' appear in the equation only to the 1st power), then the equation has to be in the form of a simple ratio ... like (y = Kx) or (x = Ky) or (xy = K) or (x/y = K) ... in order to go through the origin.
If it takes 8 men 10 days to build a wall how long will it take 6 men?
8^10=6^x 80=6x 13.33=x You are completing the same task so each side of the equation. This is what is called a balanced equation. Whatever you do to one side you have to do to the other. It is not a direct ratio of 8 is to 10 as 6 is to x. This will give you the wrong answer. You are comparing each side of the equation to the task at hand. The given is that you know that each side of the equation equals each other because it performs the same task.
What is the slope and y-intercept of -5x-6y equals 2?
-5x - 6y = 2 is the standard form of a linear equation in two variables. So the slope is the negative ratio of the coefficients of x and y, -(-5/-6) = -5/6, and the y-intercept is the ratio of the constant and the coefficient of y, 2/-6 = -1/3.
What is the ratio of ethanol?
The ratio of ethanol to WHAT!
