an irrational number. also called a "surd". like 1+sqrt(5). (sqrt=square root)
Any number adds to 15.
Integers are WHOLE numbers, like 3, 18, 34, and 256. Rational numbers are any numbers which can be expressed as a ratio of two integers - 3/4 is a rational number. 124.45 is a rational number. In other words, rational numbers INCLUDE all integers. Fractions are Rational numbers.The natural number line starts at 1, and goes up by 1 each time. 1, 2, 3, 4, 5...The whole number line includes the natural, but starts at 0. 0, 1, 2, 3, 4, 5...The integer number line includes the whole number line, but adds its negative counterparts. ...-5, -4, -3, -2, -1, 0, 1, 2, 3, 4, 5...The rational number line includes the integernumber line, but includes fractions (where the numerator is an integer and denominator is a non-zero integer.) ...-1, -1/2, 0, 1/2, 1...
-70
Assuming that "adds up to" means "its digits add up to" 888
It isn't. But in classical economic thought the rational pursuit of self-interest tempered by social responsibility adds to general prosperity by expanding production and exchange. Greed is an irrational desire to accumulate far more than is needed, often at others' expense and without adding any value to society's aggregate product, and is therefore inconsistent with the goal of the general good.
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14
199 and 11
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8.81 and -6.81
Add your answer with the lower number of the subtraction problem and if it adds up to the upper number then you are right.
Any number can multiply 144 and be added to 7!