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Example of Adding signed numbers:
Example:
(2) + (-4) =
Solution:
Start with 2 and count 4 whole numbers to the left.
Thus: (2) + (-4) = -2
Adding numbers with unlike signs might be accomplished through combining all positive numbers, then all negative numbers, and then subtracting.
the first question should be done using the website given (www.desmos.com/calculator )and another good example to explain using the graph ( https://www.desmos.com/calculator/ydimzr
If sin? = 1/2 , show that 3cos?-4cos 3 ? = 0. Ans: Sin ? = ½ ⇒ ? = 30 o Substituting in place of ? =30 o . We get 0.
Logarithmic form and exponential form ; We'll begin with b = 0 , b ≠ 1. Then we have y= log b x is equivalent to x= b y The first one is called
How many ways can 4 DVDs be arranged on a shelf? Solution: There are 4 ways to choose the first DVD, 3 ways to choose the second, 2 ways to choose the third and 1 way to choo
Draw a tangent on the lens where you want to find normal .Then line perpendicular to tangent gives normal at that point.
p=0
what is 5 squared 2
2/3=y-1/2
#question.A manufacturer produces two items, bookcases and library tables. Each item requires processing in each of two departments. Department 1 has 40 hours available and departm
if 2 ballons cost 12 coins,use equivelent ratios to see how many coins 8 ballons would cost
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