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OpenStudy (lizz123):
Rewrite the equation with t.
OpenStudy (lizz123):
It would be 5[t=5]-5
OpenStudy (anonymous):
Kk
OpenStudy (lizz123):
What would you do if two numbers are together?
Multiply or divide.
OpenStudy (anonymous):
5(5)-5=25-5=? Answer=...
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OpenStudy (anonymous):
Divide?
OpenStudy (anonymous):
your answer is 20
OpenStudy (anonymous):
You multiply
OpenStudy (lizz123):
no when two variables are togther you multiply.
OpenStudy (anonymous):
Thanks
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OpenStudy (lizz123):
So what is 5 times 5?
OpenStudy (anonymous):
25
OpenStudy (anonymous):
25
OpenStudy (lizz123):
and the subtract that by 5.
OpenStudy (anonymous):
yes
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OpenStudy (anonymous):
20
OpenStudy (anonymous):
yes
OpenStudy (lizz123):
Therefore, 20 is your answer.
Do you need anymore help?
OpenStudy (anonymous):
Nope now since u explained it to me, for my other answers which I was 2 more I know how to do them .
OpenStudy (anonymous):
*their is to more
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OpenStudy (lizz123):
sure what are the other questions
OpenStudy (anonymous):
Ok, thanks
Let n = 5.
What is the value of 10 + 15 divided by n - 2?
OpenStudy (anonymous):
But I have the answer to that its easy
OpenStudy (lizz123):
So rewrite the equation:
10+15/5 [which is n] -2
So you need to know
PEMDAS
or
Please Excuse my Dear Aunt Sally
P is parenthesis
E is exponents
M is multiply
D is divide
A is add
S is subtract
So what's first + or / [divide]?
You + [add] first.
So you add 10+15=?
So 10+15 = 25
So now rewrite the new equation which is:
25/5-2
Now, what is first using PEMDAS or Please Excuse My Dear Aunt Sally / [divide] or - [subtract]?
Divide is first usig PEMDAS or Please Excuse My Dear Aunt Sally.
25/5=?
25/5=5
Now rewrite the new equation.
5-2
So now your last step to subtract.
What is 5-2=?
The answer you get is 3.
Therefore, 3 is your answer.