Mathematics

Mathematics, 31.08.2019 10:00, starwars77

Arange of a set of numbers is 30. the highest number in the set is two times larger than the lowest number in the set. which set of algebraic equations will solve for the highest and lowest numbers in the set?

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Mathematics, 26.06.2019 20:00, lilblackbird4

Jamie has a list of scores. he has calculated the range and then realizes that one of the numbers was transposed. he switches its digits and then recalculates the range-which has not changed. which statement must be true about the new number? a) the new number was equal to the mean. b) the new number was the same as the original number. c) the new number was lower than the lowest number in the set. d) the new number was neither the lowest nor the highest number in the set.

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Mathematics, 10.07.2019 19:00, alekvtaylor

You have 2 positive numbers. one number is 5 times the other number. the difference between the two numbers is 1308, find the numbers. the two numbers in increasing order (lowest to highest) are

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Mathematics, 07.10.2019 17:50, SorayaC9669

Consider the following theorem and proof.theorem: the number âš2 is not rational number.proof: let's suppose âš2 is a rational number.then we can write âš2 = a/b where a, b are whole numbers, b not zero.we additionally assume that a/b is simplified to lowest terms, i.e., a and b have no common factors. both of the numbers a and b cannot be even.from the equality âš2 = a/b it follows that 2 = a2/b2 .so, a2 = 2 â· b2. showing that the square of a is an even number since it is two times something.from this we know that a itself is also an even number.in symbols, a = 2k where k is a natural number. if we substitute a = 2k into the original equation 2 = a2/b2, this is what we get: 2=(2k)2/b22=4k2/b22*b2=4k2b2=2k2showing that b2 is even because it is 2 times a number.this implies that b itself is also even.therefore the supposition made in the first line cannot be true and we can conclude that the number âš2 is not rational number.thereforethe statement "both of the numbers a and b cannot be even." is justified by the fact that the assumption that âš2 is a rational number. the assumption that a/b is simplified lowest terms. the assumption that âš2 is an irrational number. the fact that b divides a evenly. the fact that a and b are whole numbers.

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