math
Check: Divide (-36) by 2 to see if you get back 18.
Math
Use the Gauss method: 60+61+62...+70+71...+80 80+79+78+..+70+69...+60 Add the two lines, you will get the sum 140 21 times. So half the sum is 70*21=1470.
calculus--please help!!
Hint: by definition H(x)=(fog)(x) = f(g(x)) what would be the appropriate functions f(x) and g(x) such that f(g(x))=(3x+2)^6?
FUNCTIONS 11
t(1)=-2 t(2)=5 t(3)=-10 ... Hint: compare 2,5,10,17,26 and 1,4,9,16,25.... The sign can be achieved by multiply by the factor (-1)^n
chemistry
Hint: again, start by balancing the "H".
chem
Hint: How many "H" is on the left side, and how many are on the right?
math
Hint: Can you find g if f(x)=x^6 ?
Information Technology (2 Qs)
Hints: 1. Cache is the fastest memory (aside from registers, which is not on the list). 2. By what data go from memory to the CPU and vice-versa? Does a human have access directly to the memory?
Math
Approximate a year to 50 weeks, with 12 miles each week, it would be 600 miles a year. 624 is within 10% of 600 miles, so it is reasonable that they job 624 miles a year.
statistics
There are 52 cards in a deck. There are 26 red suits, and 2 black kings for a total of 28 cards which are either red or a king. Can you find the probability?
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