Mathematics

Mathematics, 22.06.2019 12:00, tinagibbs98

When you reverse the digits in a certain two-digits number you decrease it’s value by 9. find the number if the sum of its digits is 9.

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Mathematics, 28.06.2019 23:40, lolyan555

Type the correct answer in the box. use numerals instead of words. if necessary, use / for the fraction bar. five times the sum of the digits of a two-digit number is 13 less than the original number. if you reverse the digits in the two-digit number, four times the sum of its two digits is 21 less than the reversed two-digit number. (hint: you can use variables to represent the digits of a number. if a two-digit number has the digit x in tens place and y in one’s place, the number will be 10x + y. reversing the order of the digits will change their place value and the reversed number will 10y + x.) the difference of the original two-digit number and the number with reversed digits is .

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Mathematics, 04.07.2019 03:30, guest42201

Type the correct answer in the box. use numerals instead of words. if necessary, use / for the fraction bar. five times the sum of the digits of a two-digit number is 13 less than the original number. if you reverse the digits in the two-digit number, four times the sum of its two digits is 21 less than the reversed two-digit number. (hint: you can use variables to represent the digits of a number. if a two-digit number has the digit x in tens place and y in one’s place, the number will be 10x + y. reversing the order of the digits will change their place value and the reversed number will 10y + x.) the difference of the original two-digit number and the number with reversed digits is

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Mathematics, 10.09.2019 20:30, vanesacastorena

Using the digits 0 through 9, find out how many 4-digit numbers can be configured based on the stated conditions: a. [1 pt] the number cannot start with zero and no digits can be repeated. b. [1 pt] the number must begin and end with an odd digit. (repeated digits are okay.) c. [1 pt] the number must be at least 5000 and be divisible by 10. (repeated digits are okay.) d. [2 pt] the number must be less than 3000 and must be even. no digits may be repeated in the last 3 digits. (that is, 2234 would be okay, but 2334 would not be okay.)

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When you reverse the digits in a certain two-digits number you decrease it’s value by 9. find the nu...

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