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Tutors Answer Your Questions about Distributive-associative-commutative-properties (FREE)
Question 1034310: when simplifying x^3-2x^2+7x-9/x+3 the problem is worked out its the last part i don't know how to do it shows -5x^2+7x and right below it shows -5x^2-15x thats where i get lost I don't know whether to add the two or subtract the two to get the final answer
Click here to see answer by stanbon(75887) |
Question 1035315: Hello
I was wondering if you have a statement such as (a/c + b/c)^2 and you want to factor out the 1/c, do you have to also take its square root? since its inside brackets that are raised to the second power?
e.g. 1/sqrt(c) * (a + b)^2 ???
If I am correct, what is this technique called so that I can learn more about it?
Thank you.
Stephen.
Click here to see answer by Alan3354(69443)  |
Question 1036260: Identify the properties of operations/ relations being illustrated:
a) 3∙(x∙5)=(x∙5)∙3
b) (a+b)+0=a+b
c) If a is a real number, then a + 8 is a real number
d) If a + b = c d and c d = e, then a + b = e.
e) √3+(-√3)=0
f) (a+b)∙(x-y)=a∙(x-y)+b∙(x-y)
g) (x+5)∙(y-3)=(y-3)∙(x+5)
h) (2r+3s)+4t=2r+(3s+4t)
i) 5=5
j) If a + 4 = b 1, then b 1 = a + 4.
Operations: Closure, Commutativity, associativity, identity, inverse
Relations: transitive, reflexive, symmetric
Click here to see answer by robertb(5830)  |
Question 1045444: Two college friends rent an apartment. They have to pay the landlord two months rent and a $500 security deposit when they sign the lease. The total amount they pay the landlord is $2800. What is the rent for one month?
Click here to see answer by josmiceli(19441)  |
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