http://www.algebra.com New Solutions by tutors en-us Copyright Algebra.Com 2009-11-21T07:44+00:00 webmaster@algebra.com webmaster@algebra.com homework help 1901-01-01T00:00+00:00 12 hourly http://www.algebra.com/cgi-bin/jump-to-question.mpl?question=217183 This problem was solved by defpoetry: Ziggys Famous Yogurt blends regular yogurt that is 3% fat with its no-fat yogurt to obtain lowfat yogurt that is 1% fat. How many pounds of regular yogurt and how many pounds of no-fat yogurt should be mixed to obtain 60 pounds of low-fat yogurt? http://www.algebra.com/cgi-bin/jump-to-question.mpl?question=241229 This problem was solved by rapaljer: could you please help me factor 27m^8-90m^6+45m^4 http://www.algebra.com/cgi-bin/jump-to-question.mpl?question=241234 This problem was solved by edjones: Could someone please help me with this mixture problem? I have been pouring over it for two days (total of over 4 hours), and have tried various methods none of them yielding the correct answer. A mechanic has 363 gallons of gasoline and 17 gallons of oil to make gas/oil mixtures. He wants one mixture to be 6% oil and the other mixture to be 2.5% oil. If he wants to use all of the gas and oil, how many gallons of gas and oil are in each of the resulting mixtures? http://www.algebra.com/cgi-bin/jump-to-question.mpl?question=241231 This problem was solved by rapaljer: PLEASE HELP ME SOLVE TIS CIRCULAR FUNCTIONS AND THEIR GRAPH: What is the period of y=4 sin 3 x? HERE ARE THE POSSIBLE ANSWERS: a)pi/3 b)2pi/3 c)3pi http://www.algebra.com/cgi-bin/jump-to-question.mpl?question=241236 This problem was solved by rapaljer: please help me solve this problem: the value of tan pi/2 is 0. THIS IS TRUE OR FALSE http://www.algebra.com/cgi-bin/jump-to-question.mpl?question=241243 This problem was solved by rapaljer: a) Find the sum of this sequence: 1+3+9+27..3^19 b) Form the formula by filling in the blank: S= a + ar + ar^2 + ar^3 + ... + ar^(n-1)(The series stops at n-1 power because there are n terms, but the first one is not multiplied by r) rS=______________? rS=___________?(Substritute S-a) rS-S=______? but rS-S can be factored: rS-S=S(r-1),so S=__________? I got a), it is 1,743,392,200 But i have no idea how to come up with the formula, even though the book reads the general formula is S=a(r^n-1)/(r-1) Please explain. I'm very thankful for your helps! http://www.algebra.com/cgi-bin/jump-to-question.mpl?question=241241 This problem was solved by rapaljer: please help me The period of y=cos x is 2 pi unit. THIS IS TRUE OR FALSE http://www.algebra.com/cgi-bin/jump-to-question.mpl?question=241267 This problem was solved by rapaljer: when I worked on to problems using the elimination method I came up with 0=0 in both equations. Is this a solution or non solution or infinite solution http://www.algebra.com/cgi-bin/jump-to-question.mpl?question=241280 This problem was solved by rapaljer: I don't understand how to find slope from a graph. like i have this worksheet to do an i was absent so my teacher just gave me the worksheet, yeah i know bad teacher. anyways i'm suppose to find the slope of each line and i don't know what to do. http://www.algebra.com/cgi-bin/jump-to-question.mpl?question=241270 This problem was solved by rapaljer: a^4 - ab^3 = I am not sure how you solve this polynomial? Can someone explain the steps on how to work this problem? Thanks. http://www.algebra.com/cgi-bin/jump-to-question.mpl?question=241272 This problem was solved by rapaljer: Perform the indicated operation.Write each answer in lowest terms. m^2 - 1/(m - 1)^2 * 2m - 2/3m + 3 = I am having problems understanding how to perform the indicated operation. Can someone explain to me the steps I am supposed to use and how to solve this problem? http://www.algebra.com/cgi-bin/jump-to-question.mpl?question=241275 This problem was solved by rapaljer: (x-1/x)=5 find the value of x2+1/x2=? here i wrote x square not x 2 please note that.Thanks http://www.algebra.com/cgi-bin/jump-to-question.mpl?question=241264 This problem was solved by College Student: Erin and Susan both took their dogs for a walk.Together they walked 15 miles.If Erin walked 3 miles lees than susan,how far did susan walk with her dog? Ok my answer was 12 but i wasn't sure if it was right http://www.algebra.com/cgi-bin/jump-to-question.mpl?question=240319 This problem was solved by College Student: PLEASE HELP ME SOLVE THIS SPECIAL ANGLES tan 135(degree) THIS ARE THE POSSIBLE ANSWERS: a)-1 b)0 c)1 http://www.algebra.com/cgi-bin/jump-to-question.mpl?question=240367 This problem was solved by College Student: 3(x-3)=4x-11 http://www.algebra.com/cgi-bin/jump-to-question.mpl?question=241177 This problem was solved by rfer: the width of a rectangle is fixed at 11 cm. What lengths will make the perimeter greater than 96 cm? http://www.algebra.com/cgi-bin/jump-to-question.mpl?question=241204 This problem was solved by rfer: intermediate algebra Find the missing coordinate (-3,_____)is a solution of y=4-3x http://www.algebra.com/cgi-bin/jump-to-question.mpl?question=241245 This problem was solved by stanbon: the range of y=sin x is all real number from -1 to 1. this is true or false http://www.algebra.com/cgi-bin/jump-to-question.mpl?question=241206 This problem was solved by rfer: find the measure of the complement of a 11 degree angle http://www.algebra.com/cgi-bin/jump-to-question.mpl?question=241257 This problem was solved by stanbon: find the inverse of the function...... f(x)= 1/7x +6 i got 2 different answers A. f^-1(x)=7x+42 B. f^-1(x)= 1/7x -6 which one if either is correct? http://www.algebra.com/cgi-bin/jump-to-question.mpl?question=241258 This problem was solved by rfer: how long will it take for the population of a certain country to double if its annual growth rate is 3.3%? round to the nearest year. i got 21 and 9 years my freind got 61 and 1 which is correct? :) http://www.algebra.com/cgi-bin/jump-to-question.mpl?question=240334 This problem was solved by College Student: what are two consecutive odd intergers such that twice the larger, increased by the smaller, is 43 http://www.algebra.com/cgi-bin/jump-to-question.mpl?question=241258 This problem was solved by stanbon: how long will it take for the population of a certain country to double if its annual growth rate is 3.3%? round to the nearest year. i got 21 and 9 years my freind got 61 and 1 which is correct? :) http://www.algebra.com/cgi-bin/jump-to-question.mpl?question=241252 This problem was solved by rfer: The measure of one angle of a triangle is 28 more than the measure of the smallest angle of the triangle. The measure of the third angle is twice the measure of the smallest angle. Find all measures. http://www.algebra.com/cgi-bin/jump-to-question.mpl?question=240343 This problem was solved by College Student: The length of a rectangular frame is 6 cm more than the width. The area inside the frame is 55 square cm. Find the width of the frame.