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How do you calculate x as a percentage of y?
x as a percentage of y = x/y * 100% divide x by y then multiply by 100%
What percentage is 400 of 700?
For finding percentage of a number, say, with respect to a number(or total), say, y, the general formula is: x/y * 100 so, here in this case: x=400, y =700 so, the required percentage = (400/700) * 100 i.e. 400/7 = 57.143% (Rounded off to the third decimal place)
How do you take out percentage of marks?
Suppose a test is worth X marks and you get Y marks. Then your percentage marks are100*(Y/X).
How do I find Find two numbers whose difference and whose quotient are each equal to five?
x-y = 5; x/y = 5; solve x = 5y; substitute 5y-y = 5;4y=5; y =5/4 and x = 25/4
Two positive numbers have a difference of 8 and a product of 48 Find the two numbers?
This problem can be solved with a system of equations. Let the first number equal x and the second number equal y. Here are the two equations: x-y=8 This makes sense because if two number have a difference of 8, than the first number minus the second number will equal 8. x * Y = 48 This is self explanatory. Now, we solve: x-y=8 x=8+y (y is added to both sides. Now we know what x is equal to, so we can substitute it into the second equation) (8+y)*y=48 8y+y2=48 (y is distributed) y2+8y-48=0 (the equation is made into a quadratic) (y+12)(y-4)=0 (the equation is factored) We know y is equal to four and not -12 because both number are positive. Now we solve for x: x-4=8 x=12 Therefore, your two number are 12 and 4.
What is the formula for figuring percentage?
X as a percentage of Y = 100*X/Y.
What is the formula to work out percentages?
To calculate X, as a percentage of Y, divide (100*X) by Y.
How do find the y intercept?
Substitute x=0 into a y=mx+b formula (with b filled in) and solve for y
What is six eighths in a percentage how did you get it?
By formula, x/y*100 = Percentage. 6/8*100 = 75% ie) The formula for percentile value is x/y *100 where X is the part of y for which percentage needs to be known, and Y is our standard. eg) What percent is is 3 of 8. 3 is our 'x' of which value needs to be known, 8, or 'Y' is our standard. 3/8*100 = 37.5%
How do you Solve the formula y equals mx plus b for M?
the answer is: (y-b)/x = m y = mx + b y - b = mx (y-b)/x = m
What is the formula for changing a numbers into a percentage?
To find x as a percentage of y: percent = 100x/y. Eg 17 as a percentage of 68 = 1700/68 = 25.
How much percentage higher is x than y?
To calculate how much percentage higher ( x ) is than ( y ), use the formula: (\frac{x - y}{y} \times 100). This will give you the percentage increase of ( x ) over ( y ). For example, if ( x = 120 ) and ( y = 100 ), the calculation would be (\frac{120 - 100}{100} \times 100 = 20%). Thus, ( x ) is 20% higher than ( y ).
What variable is used for y intercept?
you make x=0 and solve for y. for the x intercept you do y=0 and solve for x
How do you calculate x as a percentage of y?
x as a percentage of y = x/y * 100% divide x by y then multiply by 100%
How do you solve y equals mx plus b formula in math?
It depends on what you are trying to solve for. Here is a solution for x... y = mx + b y - b = mx (y - b) / m = x Note: If m is zero, then there is no solution, because the line is horizontal
The vertex of this parabola is at (-2, -3) When the x-value is -1, the?
Y=a(x-h)+k is the vertex formula. Since the vertex is at (-2,-3) this parabola has the equation: y=a(x+2)^2-3 We can plug in x=-1 but we really need to know a, to solve for y. ( we can solve it, but we will have an a in the solution)
How do you solve the formula ax plus by equals c for y?
multiply a by x then add the product of c and y. Your answer would be, based on the value of a,x,c,y, like this.ax + cy = ??
