1. Prove that the value of the expression a^2–a is divisible by 2 for any whole value of a.
2....
Mathematics, 31.03.2020 00:48 lizziesuks
1. Prove that the value of the expression a^2–a is divisible by 2 for any whole value of a.
2. Prove that the sum of three consecutive exponents of the number 2 is divisible by 14.
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Acircle has a diameter will endpoints of (-2,8) and (6, 4). what is the center of the circle
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1. according to the internal revenue service, the mean tax refund for the year 2007 was $2,708. assume the standard deviation is $650 and that the amounts refunded follow a normal probability distribution. a. what percent of the refunds are more than $3,000? b. what percent of the refunds are more than $3,000 but less than $4,000? c. what percent of the refunds are less than $2,000?
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Triangle jkl is transformed to create triangle j'k'l'. the angles in both triangles are shown. j = 90° j' = 90° k = 65° k' = 65° l = 25° l' = 25° which statement is true about this transformation?
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