# Mathematic

If f(x) is cont on [a,b] then there is at least one number x=c in (a,b) such that f prime (c) = 0 – rolle's theorem
addend – a number that is added to another number (the augend)
Define tectonic – deformation of the crust as a consequence of a plate interaction
Remember – When you remember something, you think of it again.
Congruent complements theorem – If two angles are complementary to the same angle, then the two angles are congruent. <1 &<2 <1&<3 <2&<3 Are congruent.
triangle – треугольник
Convert 3/4 pi radians into degrees. – 135 degrees
Factor – A number that goes into a larger while number
Equal sign – знак равенства
Algebra – The branch of mathematics that uses both litters and numbers to show relations between quantities
Pi or ~|| – An infinite decimal that does not repeat and is an irrational number. 3.1415926535897926.
Equivalent ratios – Equivalent ratios are just like equivalent fractions. If two ratios have the same value, then they are equivalent.
Cardinal Numbers – ______________ are numbers that say how many of something there are, such as one, two, three, four, five.

Answers the question “How Many?”

Example: there are five coins.

technology – impacts math in numerous ways and should influence what and how it is taught
Contest – (n) cuộc thi, trận đấu, cuộc tranh luận, cuộc chiến đấu, chiến tranh
Patterns – Things that are arranged following a rule or rules.

Example: 7, 12, 17, 22, … they follow a rule "start at 2 and add 5 each time"

dual – adj.二重的；两层的(double; twofold) This stove has dual ovens, so you can bake bread and roast meat at the same time.
Properties of a kite – Diagonals intersect at right angles

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