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Calculus
The branch of mathematics that deals with the study of continuously changing quantities, with the use of limits and the differentiation and integration of functions of one or more variables, is called Calculus. Calculus analyzes aspects of change in processes or systems that can be modeled by functions. The English physicist, Isaac Newton, and the German mathematician, G. W. Leibniz, working independently, developed calculus during the 17th century.
25,068 Questions
If y=-42,
then
y = -42.
QED
? ? ?
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Another answer:
THERE it is ===> Y = -42
Does -3x-2y equals 4 have one solution?
No, it has an infinite number of solutions. The coordinates of each and every point on the line 3x + 2y + 4 = 0 is a solution.
What is the solution to 2y - 2x equals 10?
Any pair of numbers where the 'y' is 5 more than the 'x'. There are an infinite number of suitable pairs.
2y-2x=10
2y-2x+2x=10+2x
2y=2x+10
divide both side by 2.
y=x+5
x2 - 3x - 4 = 0 so (x+1)(x-4) = 0, so x+1 = 0 and x-4 = 0, so x = -1 or 4
365 divided 2 is:
365/2 = 182.5
If by fraction, then 182 1/2.
By words: one hundred two and one half.
What is the ordered pair of 14x - 2y equals 78 2x - 2y equals 6?
You can answer this by the method of substitution, which means that you find what one variable equals and you substitute it into the second equation to find the other variable.
14x-2y=78; solve for y
-2y=78-14x; subtract 14x on both sides
y=-39+7x; divide both sides by -2
y=7x-39
Substitute 7x-39 for y in the second equation.
2x-2(7x-39)=6; solve for x
2x-14x+78=6; distribute the -2
-12x+78=6
-12x=-72; subtract 78 on both sides
x=6; divide both sides by -12
Now go back to the first equation and for x, substitute 6. You can either substitute in 14x-2y=78 or the y=7x-39, but it's easier where you already have y isolated.
y=7(6)-39
y=42-39
y=3
You got that x=6 and that y=3; therefore, the ordered pair is (6,3).
What is the derivative of tan?
If it's tan(x3), the the thingy is 3x2/(cos2(x3)) i think
Else, if it's tan(3x), then it's 3/(cos2x)
If you need more help with this, search "chain rule" and "derivative" on wikipedia.
X plus 3y equals 2 2X-3Y equals 22?
x + 3y = 2
2x - 3y = 22
Add the two equations: 3x = 24
Divide both sides by 3 to give x= 8.
Substitue this value of x in the first equation to give 8 + 3y = 2
Subtract 8 from both sides: 3y = -6
Divide both sides by 3: y = -2
Solution: (X, y) = (8, -2)
How do you solve a percentage equation?
its really easy say you wanted to find the percentage correct if you got 20/30 for an exam you simply divide 20 by 30 and then times the answer by 100 eg 20/30 = 0.6666 0.6666 x 100 = 66.66 so your percentage is 66.66% !!!
* this math problem should not be here but ill answer it anyway the aswer to this math problem is 2268 you should look at a caculator its faster than doing .
3.14
or
3.1415926535897932384626433832795028... (ad infinitum)
As of October 11, 2011, the record for the computerized listing of the numbers of Pi is some 10 Trillion. See the link below for more on the subject.
What disadvantages are there to using parametric equations for numeric values?
It might be easier to calculate using numeric values directly if the equation is really simple.
What is a integral and semi-integral plow?
An integral plow is one in which the entire weight is carried by the three point hitch when transporting and it may or may not have a tailwheel and gauge wheels, a semi-integral plow has a wheel or wheels that remain in contact with the ground when transporting while the rest of the weight is carried by the three point hitch, a drawn plow is self supported on wheels and is attached to tractor solely by the drawbar.
What points are on the line y plus .5x?
The points on the line y + .5x are all the points of the form (x, y) that satisfy the equation y + .5x = 0.
This is a standard form linear equation, where y is the dependent variable and x is the independent variable. The equation y + .5x = 0 can be rewritten as y = -.5x. This is the slope-intercept form of the equation of a line, where the slope of the line is -.5 and the y-intercept is 0.
Thus, the line y + .5x is a line with a slope of -.5 and a y-intercept of 0. All the points on this line have an x-coordinate that satisfies the equation y + .5x = 0.
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How do you write 0.196 as a fraction in simplest form?
0.196 is a fraction. It is a fraction in decimal form rather than in the form of a ratio. However, that does not stop it being a fraction. And, since it is a decimal fraction, there is not another simpler decimal form. Its equivalent, in rational form, is 196/1000 which simplifies to 49/250.
1. Whenever you divide a number by itself, the answer is 1, except when dividing by zero.
