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240 divided by what equals -16?
256
What is the decimal conversion of binary 1111111111111111?
1111111111111111 to base 2 (binary) is equivalent to FFFF to the base 16 (hexadecimal) which in decimal equals (15 x 16*3) + (15 x 16*2) + (15 x 16*1) + (15 x 16*0) = (15 x 4096) + (15 x 256) + (15 x 16) + (15 x 1) = 61440 + 3840 + 240 + 15 = 65535 Another way to look at this is that FFFF in hexadecimal is actually 10000 in hexadecimal minus 1 and we know 10000 in hexadecimal is 65536 and so FFFF in hexadecimal is 65536-1 = 65535
If 4x - 1 equals 15 what is x?
4x - 1 = 15 Therefore, 4x = 16 x = 16/4 Therefore, x = 4
If f x log 15 x what is f-1 x?
16
What are the two consecutive numbers with a product of 240?
15, 16 or -16, -15Let x be the first number & then x+1 will be the next numberso,x*(x+1) = 240x2+x-240 = 0Now use the quadratic formula to find the roots: a=1, b=1, c=-240Doing that the roots the equation are 15, -16So the two consecutive numbers whose product is 240 is either 15 & 16 or-16 & -15.
