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August 23, 2014

Search: Alg2

Number of results: 88

ALG2
why is (-125)^-2/3 1/25. why isn't it -1/25?
March 12, 2008 by Abby

alg2
for the graph: y>x^2+9 what is the range?
January 19, 2011 by exam tomorrow! help

Alg2
I need more help
December 4, 2011 by Rock

Alg2
Solve the system for z. 2x - y + 2z = 11 x - 2y - 3z = -5 -3x + z = -3
May 8, 2012 by Sira

alg2
how do i solve for: 2^(x+1) =9 3e^(x-8) +5=14 log2x=4 and ln(2x-5)=4? thanks!
May 19, 2012 by bkue

ALG2!
1.7 - 0.78>5 solve please
October 4, 2012 by tyneisha

alg2
Solve: 3x − 7 (sqrt x) + 2 = 0
January 20, 2011 by katie

Alg2
what is the # of possibilities of buying 2 CD's from 10 that are on sale?
November 30, 2011 by Rock

Alg2
what are the # of possibilities of buying 2 CD's from 10 that are on sale?
December 1, 2011 by Rock

Alg2
I need help with problem solving...
December 4, 2011 by Rock

ALG2
x2 + bx + c and ax2 + bx + c could you factor this and explain it.
February 29, 2012 by KAYG

alg2/trig
The expression a/a-b + b/b-a is equivalent to a) 1 b)-1 c) ab/a-b d)a+b/a^2-b^2 please help!
October 13, 2011 by jess

Alg2
# of possibilities of arrangements for the word intercept?
December 3, 2011 by Rock

Math(alg2)
solve the exponential equation 5(2)^2x - 4 = 13 thanks
March 13, 2012 by Sammy

alg2
solve for 10/x^2-2x + 4/x = 5/x-2 3x/x+1 + 6/2x = 7/x 8(x-1)/x^2-4 = 4/x-2 check for any extraneous solutions! thanks!
May 19, 2012 by skye

ALG2!
-3K - 8 is less than or equal to 5k .....solve please
October 4, 2012 by tyneisha

Alg2
Rationalize the demoninator of each expression. (9y/x)^4 i have no idea how to do that
February 9, 2009 by Chopsticks

alg2
Describe the end behavior for the graph of y= 12x^6 + 4x^4 - x^3 + 6x +1
January 9, 2011 by morgen

Alg2
what is the number of possibilities of arrangements of the letters in the word intercept?
November 30, 2011 by Rock

alg2/trig
how would you express cos(75 as a single fraction?
April 26, 2012 by lisa

alg2/trig
Which expression is defined for all real numbers? a) x + 3/x^2 b) 5/(x + 2)^2 c)4/(x − 2)^2 d)7/x^2 + 3
October 2, 2011 by jaz

Alg2
Solve the equation -5e^-x + 9 = 6 I subtracted 9 to both sides and got: -5e^-x= -3 < this is where I'm stuck at.
February 2, 2012 by Yolie

Alg2
Find a quadratic equation with integral coefficients having roots 1/2 and -5/2.
May 9, 2012 by Sira

Alg2
how many ways can 5 members of the 100 member US senate be chosen to be put on a committe?
November 30, 2011 by Rock

Alg2
How how I write the first six terms of this sequence? Please be detailed and thanks in advance :) f(n)= 3/-m
March 12, 2012 by Lily

Alg2/Trig
Write the log as a single function: logx + 2logy - logz
April 19, 2012 by Alayna

Alg2
Find the value of c that will make the expression x^2-15x+c a perfect square. would c = 56.25 ?
May 7, 2012 by Cyn

alg2/trig
If 4x^2+9=kx, what value of k will produce equal roots? the answer is 12 but i dont understand how you get it, please help!
April 5, 2012 by lisa

alg2/trig
what is the smallest value of k that would make the roots of the equation x^2-2x-k imaginary? please help, no idea how to do this.
January 23, 2012 by lisa

MATH -
Permutation and combinations (Trig/alg2 class) In how many ways can all the letters in SEYCHELLES be arranged?
June 9, 2013 by Fort

Math Help
Permutation and combinations (Trig/alg2 class) In how many ways can all the letters in SEYCHELLES be arranged?
June 9, 2013 by Mary

alg2
run this program given in the lesson to find factors of a) 105, b) 197, and c) 7128 Describe in words the function of f(x) =x - [x]. x>0
September 11, 2008 by jerson

alg2 check
a.)write the equation of the line that has a slope of -2 and a y-int of -6. I don't understand if I use y=mx+b or not.how would I plug this in If im trying to get an answer?
July 18, 2013 by tyneisha

Alg2
i am realy lost as to how to do this alg 2 problem: find the two real-number solutions of each equation: x^2=100 Can you please explain how to do it? Thanks!:)
February 2, 2009 by amaya

ALG2
If Y varies inversely as X^2, determine what Y would be if X = 2 and another point on the equation is (1,8). The answer I got was y=1/2^2=1/4 I'm not sure I worked this out correctly, is this correct?
December 28, 2012 by Yvette B.

alg2 check?
1.)...(2x)(3x^3)? I said it was x=5 am I right?step by step plz? 2.)....(4xy^2)^3 im not sure about this one
July 11, 2013 by tyneisha

alg2 check
b.)write the equation of the line that passes through the point (-6,-2) and has a slope of -2/3. if im using y=mx+b then how would I plug in -2/3 since it is a fraction instead of a regular number?
July 18, 2013 by tyneisha

Alg2
How many ways can six different books be arranged on a shelf if one of the books is a dictionary and it must be on an end?
December 4, 2011 by Rock

alg2\trig
if a3= 17 & a8=37 are terms in annarithmetic sequece, fina a1 & d. the answer is a1=9 & d=4 but i dont understand how they got the answer, please help!
January 29, 2012 by dianela

alg2/trig
To the nearest minute, what is the approximate size of the smallest angle of a triangle whose sides are 4,5, and 8? How do I find the angle?
January 28, 2010 by Judy

Alg2
If the sum of a geometric series is 781, the number of terms is 5, the common ratio is 5 and the last term is 625, what is the first term a1?
January 15, 2012 by Embraced

ALG2! WORD PROBLEM!
define a variable and write an inequality for each problem.then solve. Nineteen more than a number is less than 42.
October 4, 2012 by tyneisha

alg2 help
[4x/ 3y]^2 it should look like 4x over 3y in parenthesis ^2 at the top right. please take me step by step I got 1.6
July 14, 2013 by tyneisha

alg2 check?
solve for n:6(5n-1)=2(15n-3) I got 30n-6=30n-6 but I think I was suppose to keep going but don't know how. Do I divide or multiply
July 15, 2013 by tyneisha

alg2 check?
solve: 2x+2(x+3)=2(x+7) what I got was x=4 but I really think I calculated wrong. Can you show me the step by step process please?
July 18, 2013 by tyneisha

Alg2/Trig
How would I go about solving this equation algebraically? Find the equation of the parabola y=ax^2 + bx+c that passes through the given points. (2,0) (3,-1) (4,0) Thanks.
March 5, 2009 by Chris

Alg2
Zeus Industries bought a computer for $2500. It is expected to depreciate at a rate of 20% per year. What will the value of the computer be in 2 years?
December 6, 2011 by Rock

Alg2
Radioactive iodine is used to determine the health of the thyroid gland. It decays according to the equation y=ae -0.0856t where t is in days. Find the half-life of this substance. Round to the tenths place.
December 6, 2011 by Rock

Alg2
Radioactive iodine is used to determine the health of the thyroid gland. It decays according to the equation y=ae -0.0856t where t is in days. Find the half-life of this substance. Round to the tenths place.
December 8, 2011 by Rock

Alg2
A piece of wood discovered in an archaeological dig was found to have lost 62% of it's carbon-14. Carbon-14 has a half-life of 5630 years. Determine it's age.
June 1, 2010 by Cal

alg2/trig
1)3x^2-12x-21 solve by completing the square in simplest radical form 2) (1/x+3)-(2/3-x)=(4/x^2-9)find values of x 3)3/radical(3a^2b^4) is equivalent to 4) factor completely 27x^-75x^4
January 22, 2012 by alice

alg2 check?
Graph the system of inequalities then substitute the (x,y)order pair into both inequalities. y>3x+1 y<-2/3x+4 (second one has a line under the arrow) I don't get what they are asking for? if they want me to solve it how am I suppose to set it up?
July 18, 2013 by tyneisha

Alg2
Help...Please... You buy a commemorative coin for $25. The value of the coin increases 3.25% per year. How much will the coin be worth in 15 years? Round to the nearest cent.
December 12, 2011 by Rock

Alg2
Please Help... You buy a commemorative coin for $25. The value of the coin increases 3.25% per year. How much will the coin be worth in 15 years? Round to the nearest cent.
December 13, 2011 by Rock

Alg2
A geometric sequence has a common ratio of 4. If the fifth term in the sequence is 2256, what is the second term?
May 9, 2012 by Anon

ALG2! WORD PROBLEM!
define a variable and write an inequality for each problem.then solve one half of a number is more than 6 less than the same number.
October 4, 2012 by tyneisha

Alg2
You are playing a game that involves drawing three numbers from a hat. There are 25 pieces of paper numbered 1 to 25 in the hat. Each number is replaced after it is drawin. What is the probability that each number is greater than 20 or less than 4 ?
April 18, 2012 by Cindy

alg2/trig
starting salary for a job is $30,000 with a guaranteed raise of $5,000 each year for the first 5 years. write an explicit formula to represent how much money you would earn each year. please somone help!
February 1, 2012 by lisa

alg2\trig
a colony of 300 bacteria doubles each day. write an explicit formula to determine how many bacteria there would be on the nth day. how would you do this?
January 31, 2012 by jessica

alg2 check?
solve 3(8x-2)=46-2(12x+1) 24x-6=46-24x+2 24x-6=48-24x 48x-6=48 48x=42 x=42/48 or 7/8 what where the two mistakes made in the problem? I said the 46 going to 48 and subtracting the 6 from 48?
July 18, 2013 by tyneisha

Math Alg2
The number of computers sold by BCC depends on the dollar amount, x, that they spend on advertising. How many computers will they sell by spending $100,000 on advertising? Round to the nearest whole number and do not include units in your answer.
April 12, 2012 by Moonshadow

Alg2
An anthropologist finds there is so little remaining Carbon-14 in a prehistoric bone that instruments cannot measure it. This means that there is less than 0.5% of the amount of Carbon-14 the bones would have contained when the person was alive. How long ago did the person die...
December 6, 2011 by Rock

Alg2
An anthropologist finds there is so little remaining Carbon-14 in a prehistoric bone that instruments cannot measure it. This means that there is less than 0.5% of the amount of Carbon-14 the bones would have contained when the person was alive. How long ago did the person die...
December 9, 2011 by Rock

Alg2
The Mendes family bought a new house 10 years ago for $120,000. The house is now worth $191,000. Assuming a steady rate of growth, what was the yearly rate of appreciation? Round your answer to the nearest tenth of a percent (1.2% etc)
December 6, 2011 by Rock

Alg2
For a college application, Macawi must select one of five topics on which to write a short essay. She must also select a different topic from the list for a longer essay. How many ways can she choose the topics for the two essays?
December 4, 2011 by Rock

alg2
suppose you drop a tennis ball from a height of 15 feet. After the ball hits the floor, it rebounds to 85% of its previous height. How high will the ball rebound after its third bounce. round to the nearest tenth.. my teacher told be the answers 9.2 but i dont know how she got...
June 9, 2008 by jerson

Alg2
Can't figure this one out...The Mendes family bought a new house 10 years ago for $120,000. The house is now worth $191,000. Assuming a steady rate of growth, what was the yearly rate of appreciation? Round your answer to the nearest tenth of a percent (1.2% etc)
December 11, 2011 by Rock

alg2/trig
I got this question wrong on my test, and I have to correct it :/ How many permutations are there of all the letters in the word "TEXAS" ? The answer to this part is 120, but I have no idea on how to solve the second part without having to write it all down. *How many of these...
April 1, 2009 by Chris

alg2
identify the conic section. if its a parabols give the vertex if its a circle, give the center and radius. if it is an ellipse or a hyperbola, give the center and foci. again my teacher said the answer is ellipse with center (-4,4), foci at (-4 V3, 4)
June 9, 2008 by jerson

Math alg2!
1.)Mike is 5 years more than twice as old as Tom. The sum of their ages is 65. How old is Mike? 2.)Mrs. Computer is 3 times older than her daughter, Mousy. The sum of their ages is 52. How old is Mousy?
December 13, 2012 by tyneisha

Alg2
Help w/Word Prob: LAW ENFORCEMENT A police accident investigator can use the formula s=2√5l to estimate the speed=s of a car in miles per hour based on the length=l in feet of the skid marks it left. How fast was a car traveling that left skid marks 120 feet long?
December 4, 2011 by Rock

Alg2
The tangent to a circle may be defined as the line that intersects the circle in a single point, called the point of tangency. If the equation of the circle is x^2 + y^2 = r^2 and the equation of the tangent line is y = mx + b, show r^2(1 + m^2) = b^2 Hint: The quadratic ...
October 22, 2009 by Allen

algebra
multiplication of algebraic expressions. I searched Google under the key words "multiplication 'algebraic expressions'" to get these possible sources: http://www.intmath.com/Basic-algebra/2_Multiplication-algebra.php http://cstl.syr.edu/FIPSE/Algebra/Unit2/multiply.htm (Broken...
July 12, 2007 by klar maesen

Alg2/trig
Hi, I hope you guys don't mind if I post a couple probability questions. A child returns a five-volume set of books to a bookshelf. The child is not able to read, and so cannot distinguish one volume from another. What is the probability that the books are shelved in the ...
March 24, 2009 by Chris

alg2
how would you set this problem up using pascal's triangle? (x+y)5 (raised to the 5th power) 5th row, 6 terms. http://en.wikipedia.org/wiki/Pascal's_triangle 1 1 1 1 2 1 1 3 3 1 1 4 6 4 1 1 5 10 10 5 1 1 6 15 20 15 6 1 so (x+y)^5 = x^5 + 5x^4y + 10x^3y^2 + .... + y^5
April 11, 2007 by sara

Alg2/Trig
Find the exact value of the trigonometric function given that sin u = 5/13 and cos v = -3/5. (Both u and v are in Quadrant II.) Find csc(u-v). First of all, I drew the triangles of u and v. Also, I know the formula of sin(u-v) is sin u * cos v - cos u * sin v. However, I am ...
June 4, 2009 by Vincent

Alg2
Hi! I'd like to know how to write the next term in the sentence & write a rule for the nth term. 1) 2/3, 3/6, 4/9, 5/12... I know the next term is 6/15 but I don't know how to write the rule for the nth term... 2) 1/3, 1, 5/3, 7/3,... I don't get this one at all ): Please and ...
March 15, 2012 by Lihn

ALG2! WORD PROBLEM!very important!!
There are two adults and three children (under the age of 12). They qualify for a special family rate of $174.45. The clerk tells them that a child's ticket always costs $11 less than an adult's ticket. How much is each adult ticket and how much is each child's ticket? Write ...
November 30, 2012 by tyneisha

Alg2
The annual Gross Domestic Product (GDP) of a country is the value of all of the goods and services produced in the country during a year. During the period 1985-1999, the Gross Domestic Product of the United States grew about 3.2% per year, measured in 1996 dollars. In 1985, ...
December 6, 2011 by Rock

Alg2
he annual Gross Domestic Product (GDP) of a country is the value of all of the goods and services produced in the country during a year. During the period 1985-1999, the Gross Domestic Product of the United States grew about 3.2% per year, measured in 1996 dollars. In 1985, ...
December 7, 2011 by Rock

Alg2
the annual Gross Domestic Product (GDP) of a country is the value of all of the goods and services produced in the country during a year. During the period 1985-1999, the Gross Domestic Product of the United States grew about 3.2% per year, measured in 1996 dollars. In 1985, ...
December 9, 2011 by Rock

alg2 (sequences)
how do i find the pattern for: -4,8,-12,16 if the last number is negative, multiply by -1 then add 4 if the last number is positive, add 4, then multiply by -1 or how about termn+1 = (abs(termn))*(-1)^n, where term1 = -4, n>0 oops that last line should have said: termn+1...
May 3, 2007 by lily

Alg2
Help....Help... Suppose you deposit a principal amount of p dollars in a bank account that pays compound interest. If the annual interest rate r (expressed as a decimal) and the bank makes interest payments n times every year, the amount of money A you would have after t years...
December 12, 2011 by Rock

ALG2! WORD PROBLEM! PLZ HELP!!
A business wants to give each of its employees a free ticket to the amusement park and has budgeted $1200 for tickets. 1. Write and solve an inequality to find the maximum number of 1-day, adult tickets that can be bought. When you round your answer, remember that there is no ...
November 28, 2012 by tyneisha

ALG2! WORD PROBLEM!very important!!
A business wants to give each of its employees a free ticket to the amusement park and has budgeted $1200 for tickets. 1. Write and solve an inequality to find the maximum number of 1-day, adult tickets that can be bought. When you round your answer, remember that there is no ...
November 30, 2012 by tyneisha

ALG2! WORD PROBLEM!very important!!
You are a student who plans to attend the amusement park for two days. This will be fun! Now it's time to figure out the cost. You won a coupon for 50% off a 1-day pass but it cannot be combined with other offers. The amusement park also offers a $5 student discount; however, ...
November 30, 2012 by tyneisha

Alg2
A video store has 8 new releases this week. Each is available on videotape and on DVD. How many ways can a customer choose a new release and a format to rent? answer here How many ways can six different books be arranged on a shelf if one of the books is a dictionary and it ...
December 3, 2011 by Rock

ALG2! WORD PROBLEM! PLZ HELP!!
A family of 5 comes to the amusement park. There are two adults and three children (under the age of 12). They qualify for a special family rate of $174.45. The clerk tells them that a child's ticket always costs $11 less than an adult's ticket. How much is each adult ticket ...
November 28, 2012 by tyneisha

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