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The meaning of the math word mean?
- To find the mean of something is the same as finding the average
- In maths mean, means that you have some numbers, you add them up and then divide the answer by however many numbers you added together!!
- 'Mean' doesn't actually mean what you've said. That's just the way to calculate it. 'Mean' is the average of a list of different quantities.
- Mean is actually weight average over quantity. For example if 4 boys are 70kgs in weight and 2 boys are 30kgs in weight, mean would be 60kgs and not 50kgs.
- The mean is where you add all the numbers together and divide by how many sets of numbers there are! Basically you are doing the average. ==
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A factor is a number or quantity that when multiplied with another produces a given number or expression.
In math, factor is a verb and is usually stated as 'to factor'. To factor something basically means to derive the smaller units that when multiplied together will equal that s…omething. Some times it becomes a trial and error exercise. To factor the number twelve (12) you would consider what numbers multiplied together equal 12. Such as (12x1, 6x2, 4x3, 3x4, 2x6, 1x12) are all factors of the number twelve. The reverse sets (3x4 is the reverse set of 4x3) are used in more advanced areas of math such as Algebra. To factor the Algebraic expression: x² + x -12 Determine what expressions when multiplied together equal that expression. In Algebra you learn the two expressions ( _ + _ )( _ +_ ) are the keys in this case. First determine the coefficients (any constants in the expression): The constant of x² is 1, the constant of x is 1 and lastly -12 is a constant. The factor of the 1 constants are 1 because the only numbers that when multiplied together to equal one are 1s (1 times 1 = 1). The factors of -12 are -12 times 1, -1 times 12, -6 times 2, -2 times 6, -4 times 3, -3 times 4 Next determine the variable factors: The factors of x² are x times x, factors of x are x times 1. Now substitute those here: ( _ + _ )( _ + _ ) Which will end up being: [x = (-3)](x+4) which simplifies to (x-3)(x+4). Multiplying these two factors will demonstrate why (-3,4) are the factors of -12 used. To multiply (x-3)(x+4), first you take the first quantity in the first expression (x) and multiply it times the first quantity in the second expression, also (x) so x times x equals x² giving x² Then multiply the first quantity in the first expression (x) times the second quantity in the second expression (4) so x times 4 equals 4x giving x² + 4x Then multiply the second quantity in the first expression (-3) times the first quantity in the second expression (x) so -3 times x equals -3x giving x² +4x -3x Then multiply the second quantity in the first expression (-3) times the second quantity in the second expression (4) so (-3) times 4 equals -12 giving x² +4x -3x -12 which simplifies to x² +x -12 So your factors are (x-3)(x+4) By some quick calculations you will find that the (-3) and (4) are the only factors of -12 that will work in this expression. The rule of thumb in this circumstance is determine the factors of -12 that when multiplied together will equal -12 and when combined will equal the coefficient of the middle term which in this case is 1. (x can be stated as 1 times x for such exercises which would make the initial expression look like 1x² + 1x -12.
The answer to the quotient is division
add up all the numbers you have and divide the number of numbers u hav example: 10,20,30,40 10 +20 +30 +40 = 100 100 divided by 4 because i have 4 nu…mbers 100 divided by 4 = 25 25 is ur mean
The opposite of
its basically minus. e.g. the difference of 5 and 2 is 3. or in other words, 5-2=3
It mean the product of a given whole number and another whole number.
Usually in algebra the term "unknown" is used for a variable ( commonly designated as x ) you are trying to solve for. For instance the mathematical expression 2 + x = 5 may b…e presented to the student as a problem. The answer is to solve for the unknown or x. The solution would be x = 3
Negative in math means any number below zero example: -10 -9 -8 -7 -6 -5 -4 -3 -2 -1 0 1 2 3 4 5 6 7 8 9 10 each bold number = a negative number
A multiple in a nmber
The quotient is the answer in a division problem.
the steps you took to produce your answer 1 + 2 is a formula
Multiply involves at least two numbers. For example 4 times 6. What is meant by this is "If you add 4 to itself 6 times, what would be the result" So we have 4+4+4+4+4+4 =… 24 Since multiplication is commutative it is equivalent to saying "If you add 6 to itself 4 times, what would be the result" So we have 6+6+6+6 = 24 Multiplication is successive addition More complicated multiplications may involve terms like 7 x (3a + 8b - 9c) (3a + 4b - 9c) x (10a - 2b - 6c) These are all examples of "Multiply"