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Question 161476: (5y^2w^2+z)(2y^3 w^2+3z)
I tried to use the foil method but I got lost
Click here to see answer by jim_thompson5910(28593)

Question 161474: (11x+3y)(x+4y) I tried to do the foil method
11x^2+44xy+3yx+12y^2
Click here to see answer by jim_thompson5910(28593)

Question 162113: Factoring Completely
x^3y+2x^2y^2+xy^3
x ( x^2y + 2xy^2 + y^3)
xy (x^2 + 2xy + y^2)
xy(x + y)(x +y)
or
xy(x + y )^2

Click here to see answer by Earlsdon(6287)

Question 162113: Factoring Completely
x^3y+2x^2y^2+xy^3
x ( x^2y + 2xy^2 + y^3)
xy (x^2 + 2xy + y^2)
xy(x + y)(x +y)
or
xy(x + y )^2

Click here to see answer by eperette(173)

Question 162135: Factoring by grouping
x^3+ax+3a+3x^2
Lets reorganize this so we may factor by grouping
x^3 + 3x^2 + ax + 3a
x^2(x + 3) + a(x +3)
(x^2 + a)(x + 3)
Click here to see answer by eperette(173)

Question 162131: Factoring Completely
a^4b+a^2b^3
a^2 (a^2b + b^3)
a^2b (a^2 + b^2)
Click here to see answer by eperette(173)

Question 162087: Greatest common factor for monomials
16x^2z,40xz^2,72z^3 I believe the answer is 10z^2 since the x is not in all the monomials
Click here to see answer by elima(1433)

Question 162183: Hey,
could you please solve the following problem, and thanks,
For f(x)= 3 -2x
solve, if f^-1(x)= 0
i will be waiting for the answer
and thank you,

Click here to see answer by jim_thompson5910(28593)

Question 162329: Factor out the GCF 15x^2y^2-9xy^2+6x^2y
Click here to see answer by gonzo(654)

Question 162340: Factor each trinomial using the ac method
2x^2+11x+5
Click here to see answer by checkley77(12569)

Question 162337: Factor each polynomial, if the polynomial is prime say so
3x^3y^2-3x^2y^2+3xy^2
Click here to see answer by gonzo(654)

Question 162332: Factor each polynomial. If the polynomial is prime say so.
18z+45+z^2
Click here to see answer by checkley77(12569)

Question 162332: Factor each polynomial. If the polynomial is prime say so.
18z+45+z^2
Click here to see answer by Alan3354(30993)

Question 162335: Factor each polynomial
h^2-9hs+9s^2
Click here to see answer by Alan3354(30993)

Question 162408: An internal control policy for an online fashion accessories store requires a quality assurance check before a shipment is made. The tolerable exception rate for this internal control is 0.05. During a n audit, 500 shipping records were sampled from a population of 5,000 shipping records and 12 were found that violated the control. What is the upper bound for a 95% one-sided confidence interval estimate for the rate of noncompliance?
Could you please help me?? Thanks Rivers
Click here to see answer by stanbon(57332)

Question 162426: There are balls packaged in twos and threes. If I have 38 packages adding up to 100 balls, how many of each package did I use?
Click here to see answer by stanbon(57332)

Question 162405: Hi I really do need your help on this one. Thanks Rivers
Assume that house prices in a neighborhood are normally distributed with standard deviation $20,000. A random sample of 16 observations is taken. What is the probability that the sample mean differs from the population mean by more than $5,000?
a. 0.3174
b. 0.1587
c. 0, because it is assumed that the sample mean is equal to the population mean in a normally distributed population.
d.Cannot be determined from the information given.

Click here to see answer by stanbon(57332)

Question 162401: Hey I would highly appreciate it if you could help me out. Thanks Rivers
If you were constructing a 99% confidence interval of the population mean based on a sample of n = 25 where the standard deviation of the sample s = 0.05, the critical value of t will be:
Click here to see answer by stanbon(57332)

Question 162519: Factor completely if it is a prime say so.
3a^2-27a
Click here to see answer by Fombitz(13828)

Question 162518: Factor completely if it is a prime say so.
8b^2+24b+18
Click here to see answer by josmiceli(9674)

Question 162517: Factor completely if it is a prime say so.
3x^3-12x
Click here to see answer by vleith(2825)

Question 162515: Factoring a difference or sum of two fourth powers
m^4-n^4
Click here to see answer by checkley77(12569)

Question 162514: Factor a^2b+2ab-15b
Click here to see answer by checkley77(12569)

Question 162513: Factor each trinomial using the ac method
8x^2-10x-3
Click here to see answer by KnightOwlTutor(293)

Question 162691: x^3=4x
Click here to see answer by Earlsdon(6287)

Question 162693: (x-3)^2+(x+2)^2=17
(x-3)(x-3) + (x+2)(x+2)=17
(x^2-6x+9) + (x^2+4x+4) =17
x^2 - 6x +9 +x^2 +4x +4 =17
2x^2 -2x + 13 =17
2x^2-2x-4=0
(2x-4)(x+1)=0
2x-4=0 and x+1=0
x=2 and x=-1
Click here to see answer by eperette(173)

Question 162690: x^2-36=0
x^2-36+36=0+36
x^2 = 36
sqr(x^2)=squ (36)
x= 6 or x=-6
Check:
(6)^2-36= 36-36=0 correct!
(-6)^2-36=36-36=0 correct!
Click here to see answer by Alan3354(30993)

Question 162690: x^2-36=0
x^2-36+36=0+36
x^2 = 36
sqr(x^2)=squ (36)
x= 6 or x=-6
Check:
(6)^2-36= 36-36=0 correct!
(-6)^2-36=36-36=0 correct!
Click here to see answer by eperette(173)

Question 162689: Solve each equation
2w(4w+1)=1
2w(4w) + (2w)(1) =1
8w^2 +2w =1
8w^2 + 2w -1 = 1-1
8w^2 + 2w -1=0
(2w + 1)(4w -1)=0
(2w+1)= 0 or (4w-1)=0
w=-1/2 or w=1/4
Click here to see answer by eperette(173)

Question 162688: 2h^2-h-3=0
Solve by factoring
Click here to see answer by nerdybill(6958)

Question 162801: 2h^2-h-3=0
Click here to see answer by checkley77(12569)

Question 162785: 104) Venture captial. Henry invested $12,000 in a new restaurant. When the restaurant was sold two years later, be received $27,000. Find his average annual return by solving the equation 12,000(1+r)^2 = 27,000
Click here to see answer by checkley77(12569)

Question 162888: 19.) Factor each polynomial completely.
x^3+125
Click here to see answer by Earlsdon(6287)

Question 162890: Write a complete solution to each problem.
29.) The sum of two numbers is 4, and their product is -32. Find the numbers.
Click here to see answer by Earlsdon(6287)

Question 162854: 3y/3y-6 + 8/y^2-4 = 2y/2y+4 I got thi problem wrong in my test please help me
Click here to see answer by ankor@dixie-net.com(15649)

Question 162886: Give the prime factorization for each integer 2.).
336
Click here to see answer by elima(1433)

Question 162946: 4n-2n=18
Click here to see answer by checkley77(12569)

Question 163075: 5.) Give the greatest common factor (GCF) for each group.
6y^2,15y^3
Click here to see answer by joecbaseball(37)

Question 163089: Differentiate with respect to x, y=(cos2x)/(x^2+3)
Click here to see answer by Fombitz(13828)

Question 163126: 25.)Solve each equation
(2x-1)(3x+5)=5
Click here to see answer by consc198(59)

Question 163139: (2x-1)(3x+5)=5
The answer it shows is -2, 5/6 I am not sure how they got this answer?
Click here to see answer by jojo14344(1512)

Question 163278: please help me evaluate #1 3x^0 #2 (3x)^0.
are the results different? Why or why not are they different?
Click here to see answer by Earlsdon(6287)

Question 163276: please help me evaluate 1)3x^0 2)(3x)^0.
are the results different? Why or why not are they different?
Click here to see answer by edjones(7569)

Question 163275: write this sentence in words (-x)^2 not equal to -x^2. Why are they not equivalent and please give an example to support the explanation!
Click here to see answer by KnightOwlTutor(293)

Question 163325: 96.) Amount of an investment. The amount of an investment of P dollars for T years at simple interest rate R is given by A = P + Prt.
a) Rewrite the formula by factoring out the greatest common factor on the right - hand side.
b) Find A if $8300 is invested for 3 years at a simple interest rate of 15%.
Click here to see answer by elima(1433)

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