Generally, "twice" means double. So, twice X is equal to X plus X. Twice four is eight.
simmisinghsaini's answer- But however, doesn't it mean to divide when we have to translate algebraic expressions?
That's the formula for the area of a circle.
If shapes are equal then they are said to be congruent
To increase in size. You use the dilation property in coordinative graphs.
"Equal" means they are the same whether in geometry or another math.
Quantity refers to an amount, value, 'how many', how much'
Twice in Math would mean the same as it would anywhere elses. It would mean to do something two times.
Twice as much
Twice a number means to multiply the number by 2
Doubles in math mean the same number twice also used when playing Monopoly.
x*2
Twice a number would be written as 2x.
Twice the radius.
For example if its 9 + 9, count up to nine twice! so you are adding 9 and 9, hope it helped
In math in general MEAN means average. an average of say, five events would be divided by five and form the average reading. Mean has no negative connotation in Math. By the way, in Algebra, two wrongs do make a right- a Negative times a Negative produce a positive product. I know it sounds crazy went to summer school TWICE for Math, no Einstein, but Mean in Math means average or even Normal like Greenwich Mean Time!
In English '88' but in math 2x8 = 16
In math, proportional means that two quantities always have the same relative size. For example, the lengths of these two shapes are proportional (one shape's length is always twice as large as the other.)
What does length mean in math