Mathematics

Mathematics, 26.06.2019 12:00, connorgking

How many different 7 digit phone numbers are possible if number can be repeated, but the last number must be 0 ?

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Mathematics, 15.07.2019 11:30, lexie2751

House numbers along the street consist of two-digit numbers. each house number it’s made up of nonzero digits, and no digit in a house number is repeated. event a is defined as choosing 6 as the first digit, and event b is defined as choosing a number less than 4 as the second digit. a house number along the street is picked at random, with each number being equally likely a no repeated digits in a number, what is p(a and b) expressed in simplest form? a. 1/24 b. 1/9 c. 3/8 d. 1/2

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Mathematics, 15.07.2019 19:30, jacobdobson5856

Lena's phone number has six digits they are all different she remembers it as three 2 digit numbers the first digit number is a factor of 118 the second 2 digit number is a prime number less than twenty the third 2 digit number is a square number which is not a cube number what is her phone number?

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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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