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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 3a-1 equals 11 what is the value of a?

3a-1=11

Now, you need to keep the equation balanced so whatever you do to one ide of the equation, you MUST do to the other. So the first step is to add 1 to each side of the equation (the equals sign), so we end up with numbers only on one side, and letters only on the other side (or multiples of letters, in this case 3 lots of A...)....

3a-1 = 11

+1 +1

which gives us...

3a+0 =12 or just 3a = 12

Now divide both sides of the equation by 3 to work out what one lot of 'a' is instead of three....

3a = 12

÷3 ÷3

a = 4

How many terms in the equation y equals 7x?

In an equation a term is either a single number or variable.

Your example has 2 terms.

2 x 56 x 5 equals i dont know?

Ok, well let's break this down. So 2 multiplied by 56 is 112. 112 multiplied by 5 is 560. Hope this helps!

What is the answer to x2-9 equals 0?

x2 - 9 = 0

  1. Add 9 to both sides.
  2. x2 = 9
  3. Find the square root of both sides.
  4. x = ±3

How do you graph y equals 3x plus 5?

-- Make a mark at y=5 on the y-axis.

-- Make another mark at the point (1, 8).

-- Connect the two points with a straight edge, and extend the line

as far as you want to in both directions.

How do you find x if 4x3 plus 50x equals 250?

4 x 3 = 12

so 12 + 50x = 250

so 50x=250-12

50x = 238

x = 238/50

x = 4.76

How do you solve 8958 equals e5x?

8958=e^(5x)

ln both sides -> ln(8958)=5x

Therefore x=1.82

Can someone help with a Math riddle?

yes i can.

--------------------

My Boss it trying to stump me and so far succeded.

Here it is:

  • There are five digits.
  • They are all different.
  • Only one digit is not prime, and is not an integer power of an integer other than the trivial solution of an exponent of one.
  • The digits are sorted, but not in ascending or descending order.

* * * * *

The digits are 2,3,5,6 and 7 which can form 120 different numbers. The fact that they are not in ascending or descending order reduces that by 2, but that still leaves 118.

And that is excluding the possibility that the non-prime is zero.

How do you completely factor x to the fourth power minus ninety one?

You want to factor (x4 -91)

First notice that the factors of 91 are 1, 7, 13, and 91.

If we try them all , we see that x4 -91 is a prime polynomial.

Even though the polynomial is prime, that is cannot be factored over the set of rational numbers, it is factorable over the set of irrational numbers.

x4 - 91

= (x2)2 - (√91)2

= (x2 - √91)(x2 + √91)

= [x2 - (√√91)2](x2 + √91)

= (x - √√91)(x + √√91)(x2 + √91)

What is 4x plus 6 equals -82 -7x in maths?

4x + 6 = -82 - 7X

add 7X to each side

4X + 7X + 6 = -82 -7X + 7X

11X + 6 = -82

subtract 6 from each side

11X + 6 - 6 = -82 - 6

11X = -88

divide both sides by 11

X = -8

check in original equation

4(-8) + 6 = -82 - 7(-8)

-32 + 6 = -82 + 56

-26 = -26

checks

What are the chances of a dyslexic who's good at math to go into physics chemistry and engineering?

A person who has dyslexia but who is good at math can succeed in the sciences. Science depends much more on math, than it does on writing.

Can you give the absolute value of x plus 1 equals 5?

The answer will depend on whether the question refers to

|x| + 1 = 5

or |x + 1| = 5