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What is the opposite number of 0.93?
In number systems , the opposite of the number can be represented by changing and reversing the sign of the number. If 0.93 is the number then the opposite of the number would be -0.93
Find a two-digit number whose value is increased by 75 percent when its digits are reversed?
The number you are looking for is 12. Reversing the digits gives you 21 75% of 12 is 9 12 + 9 = 21
Can negatives be odd?
Yes, negative numbers can be either odd or even, just like positive numbers. And odd positive number can be made into an odd negative number, by reversing the sign. So for example, 5 and -5 are both odd.
What does the word contrapositive mean in math?
"contrapositive" refers to negating the terms of a statement and reversing the direction of inference. It is used in proofs. An example makes it easier to understand: "if A is an integer, then it is a rational number". The contrapositive would be "if A is not a rational number, then it cannot be an integer". The general form, then, given "if A, then B", is "if not B, then not A". Proving the contrapositive generally proves the original statement as well.
What is the number 0.0078 in words?
Roughly 1/128th of an inch. 0.5in is 1/2 of an inch. If you were to divide 0.5 by 64 (.5/64) you would get 0.0078125 (close enough, really). Reversing the process on fractions would be 1/(2x64) wich equals 1/128.
