5 x 15 = 75. It is a number. It is a positive, composite integer.
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That is the law of exponents- the exponent is the number of times you multiply the number and times 1 5 to the third power is 5 x 5 x 5 x 1 = 125 5 to the second power is 5 x 5 x 1 = 25 5 to the one power is 5 x 1 = 5 = base number 5 to the zero power is 1
let x be the number, then: (x + 1) × 2 + 5 = x + 1 → 2x + 2 + 5 = x + 1 → 2x + 7 = x + 1 → 2x - x = 1 - 7 → x = -6 The number is -6. Checking: -6 +1 = -5; 5 × 2 = -10; -10 + 5 = -5 which is the same as -6 + 1 = -5.
The answer is 1. 5 times x - x < 5 + x It has to be 1, anything over 1 could not be less than.
Suppose the number is x then [6x - sqrt(5)]/x = 1 so 6x - sqrt(5) = x or 5x = sqrt(5) x = sqrt(5)/5 = sqrt(5)
Identify the prime factors of 625 which are : 5 x 5 x 5 x 5 = 625. The factors of 625 are therefore 1 x 625, 5 x 125 and 25 x 25. As the number 25 is effectively duplicated then 625 has 5 factors (1, 5, 25, 125 & 625)