Simplify the expression 11x + 9 - 7 =
1 answer:
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Answer: -13, -12.9
Step-by-step explanation:
pull out that HANDY DANDY calculator dog because we are about to go on a MATH ADVENTURE oh yea.
ok first make sure it is a reasonably good calculator but you can even use a calculator on your chromebook, maybe an online one? we need one that gives us PARENTHESES.
ok now you are going to want to input into this calculator, in other words 335 divided by 2. what do we get? we get
ok cool WE ARE MAKING PROGRESS HERE!!!
now i want you to look for the square root button, it looks like a radical like this
or MAYBE IT DOESNT EVEN HAVE THE 2 and it is just:
and press it, it should give you the square root but we want to find
and we get.....
MY GOD THAT IS A SUPER LONG NUMBER! but its ok we only need 3 digits after the decimal. now notice that there is a negative sign behind that radical. thats radical, dude, ok now we have
if we round to the nearest INTEGER then we need to round to the nearest WHOLE NUMBER which is
and the nearest TENTH is one number after the decimal place so it would be...
SURFS UP DUDE
P.S. i mention the parentheses because you can even do (press square root button then opening parentheses then 335 / 2 then close parentheses and hit equal sign or ENTER) but dont forget that EPIC NEGATIVE SIGN!!!!!!!