Operations are performed according to the Order of Operations. Sometimes the mnemonic PEMDAS or BIDMAS is used to remind you what the order is.
P/B - parentheses/brackets. The content of these is evaluated first.
E/I - exponents/indices. Exponentiation is done first, right to left: a^b^c = a^(b^c).
MD/DM - multiplication and division are done in order of appearance, left to right. Each has equal priority, neither is done before the other unless it appears in the expression first. a/bc = (a/b)c. ab/c = (ab)/c
AS - addition and subtraction are done in order of appearance, left to right. Each has equal priority.
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When functions are involved (sin( ), log( ), sqrt( ), for example), their arguments are evaluated according to the order of operations, then the function is evaluated, then the remainder of the operations are performed. For example, sin(a)^2 = (sin(a))^2. Sometimes, this is written sin^2(a).
When functions are written without parentheses around their arguments, it must be assumed that the function only applies to the first entity following the function name. log ab+c/d = (log(a)*b)+(c/d), for example, or √3x = (√3)x.
Answer: 14
Step-by-step explanation:
Pythagorean Theorem
^2= squared
A^2 +B^2=C^2
8^2+12^2= C^2
64+ 144= C^2
208= c^2
Square root of 208 = C
C = 14.42
C= 14
Answer:
inequalities can have zero, one, or infinite solutions
i hoped that help you
To add fractions, find the LCD - lowest common denominater, and then Combine. answer is 8/9. Decimal form = 0.888888..........
For LCD find where both bottom numbers equal the same so in this case you would have to multiply 3 times 3 to equal 9. Once you do that the 2 thats on top of the 3 will also have to be multiplied by 3 so it could make sense. Now you must Combine - it would be 6/9 +2/9. you only add the top numbers and leave the bottom number.(that is what its out of). Thus the answer is 8/9.
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Answer:
27/2 which is 13.5
Step-by-step explanation:
Keep the 6 as it is, turn the division into multiplication, and turn the 4/9 to 9/4
(This is a fixed way to treat division)
Now multiply 6 by 9 so you’re left with 54/4
Simplify the fraction you’ll get 27/2. If you use a calculator you’ll get 13.5
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