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Question 161475: (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(13794)

Question 161477: (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(13794)

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(13794)

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(13794)

Question 162113This question is from textbook Elementary and Intermediate
: 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
This question is from textbook Elementary and Intermediate

Click here to see answer by Earlsdon(4900)

Question 162135This question is from textbook Elementary and Intermediate
: 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)This question is from textbook Elementary and Intermediate

Click here to see answer by eperette(173)

Question 162131This question is from textbook Elementary and Intermediate
: Factoring Completely
a^4b+a^2b^3
a^2 (a^2b + b^3)
a^2b (a^2 + b^2)This question is from textbook Elementary and Intermediate

Click here to see answer by eperette(173)

Question 162087This question is from textbook Elementary and Intermediate
: 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 monomialsThis question is from textbook Elementary and Intermediate

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(13794)

Question 162329This question is from textbook Elementary and Intermediate
: Factor out the GCF 15x^2y^2-9xy^2+6x^2y This question is from textbook Elementary and Intermediate

Click here to see answer by gonzo(654)

Question 162340This question is from textbook Elementary and Intermediate
: Factor each trinomial using the ac method
2x^2+11x+5This question is from textbook Elementary and Intermediate

Click here to see answer by checkley77(7072)

Question 162337This question is from textbook Elementary and Intermediate
: Factor each polynomial, if the polynomial is prime say so
3x^3y^2-3x^2y^2+3xy^2This question is from textbook Elementary and Intermediate

Click here to see answer by gonzo(654)

Question 162332This question is from textbook Elementary and Intermediate
: Factor each polynomial. If the polynomial is prime say so.
18z+45+z^2This question is from textbook Elementary and Intermediate

Click here to see answer by checkley77(7072)

Question 162335This question is from textbook Elementary and Intermediate
: Factor each polynomial
h^2-9hs+9s^2This question is from textbook Elementary and Intermediate

Click here to see answer by Alan3354(6097)

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(26297)

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(26297)

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(26297)

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(26297)

Question 162519This question is from textbook Elementary and Intermediate
: Factor completely if it is a prime say so.
3a^2-27aThis question is from textbook Elementary and Intermediate

Click here to see answer by Fombitz(2113)

Question 162518This question is from textbook Elementary and Intermediate
: Factor completely if it is a prime say so.
8b^2+24b+18This question is from textbook Elementary and Intermediate

Click here to see answer by josmiceli(3013)

Question 162517This question is from textbook Elementary and Intermediate
: Factor completely if it is a prime say so.
3x^3-12xThis question is from textbook Elementary and Intermediate

Click here to see answer by vleith(1977)

Question 162515This question is from textbook Elementary and Intermediate
: Factoring a difference or sum of two fourth powers
m^4-n^4This question is from textbook Elementary and Intermediate

Click here to see answer by checkley77(7072)

Question 162514This question is from textbook Elementary and Intermediate
: Factor a^2b+2ab-15bThis question is from textbook Elementary and Intermediate

Click here to see answer by checkley77(7072)

Question 162513This question is from textbook Elementary and Intermediate
: Factor each trinomial using the ac method
8x^2-10x-3This question is from textbook Elementary and Intermediate

Click here to see answer by KnightOwlTutor(292)

Question 162691This question is from textbook Elementary and Intermediate
: x^3=4xThis question is from textbook Elementary and Intermediate

Click here to see answer by Earlsdon(4900)

Question 162693This question is from textbook Elementary and Intermediate
: (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=-1This question is from textbook Elementary and Intermediate

Click here to see answer by eperette(173)

Question 162690This question is from textbook Elementary and Intermediate
: 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!This question is from textbook Elementary and Intermediate

Click here to see answer by Alan3354(6097)

Question 162689This question is from textbook Elementary and Intermediate
: 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=1/4This question is from textbook Elementary and Intermediate

Click here to see answer by eperette(173)

Question 162688This question is from textbook Elementary and Intermediate
: 2h^2-h-3=0
Solve by factoringThis question is from textbook Elementary and Intermediate

Click here to see answer by nerdybill(2448)

Question 162801This question is from textbook Elementary and Intermediate
: 2h^2-h-3=0This question is from textbook Elementary and Intermediate

Click here to see answer by checkley77(7072)

Question 162785This question is from textbook Elementary and Intermediate
: 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 = 27,000This question is from textbook Elementary and Intermediate

Click here to see answer by checkley77(7072)

Question 162888This question is from textbook Elementary and Intermediate
: 19.) Factor each polynomial completely.
x^3+125This question is from textbook Elementary and Intermediate

Click here to see answer by Earlsdon(4900)

Question 162890This question is from textbook Elementary and Intermediate
: Write a complete solution to each problem.
29.) The sum of two numbers is 4, and their product is -32. Find the numbers.This question is from textbook Elementary and Intermediate

Click here to see answer by Earlsdon(4900)

Question 162854This question is from textbook beginning and intermidate algebra
: 3y/3y-6 + 8/y^2-4 = 2y/2y+4 I got thi problem wrong in my test please help meThis question is from textbook beginning and intermidate algebra

Click here to see answer by ankor@dixie-net.com(6693)

Question 162886This question is from textbook Elementary and Intermediate
: Give the prime factorization for each integer 2.).
336This question is from textbook Elementary and Intermediate

Click here to see answer by elima(1433)

Question 162946This question is from textbook 445234
: 4n-2n=18This question is from textbook 445234

Click here to see answer by checkley77(7072)

Question 163075This question is from textbook Elementary and Intermediate
: 5.) Give the greatest common factor (GCF) for each group.
6y^2,15y^3This question is from textbook Elementary and Intermediate

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(2113)

Question 163126This question is from textbook Elementary and Intermediate
: 25.)Solve each equation
(2x-1)(3x+5)=5This question is from textbook Elementary and Intermediate

Click here to see answer by consc198(59)

Question 163139This question is from textbook Elementary and Intermediate
: (2x-1)(3x+5)=5
The answer it shows is -2, 5/6 I am not sure how they got this answer?This question is from textbook Elementary and Intermediate

Click here to see answer by jojo14344(1483)

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(4900)

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(3299)

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