http://www.algebra.com Newly Submitted Unsolved Problems en-us Copyright Algebra.Com 2009-11-08T07:24+00:00 webmaster@algebra.com webmaster@algebra.com brain food 1901-01-01T00:00+00:00 12 hourly http://www.algebra.com/tutors/faq.mpl?key=236336&action=answer_question Click on the link to solve this problem: I was asked to simplify this 4z to the eighth power z to the -6 power y to the -9 power times 5y to the -1 power w to the -7 power times 2w to the 7th power i have not had mathe for over 30 years stuck bad. Do you also know of any websites that gives free help and explanation of problems and rules. Any help greatly appreciated http://www.algebra.com/tutors/faq.mpl?key=236335&action=answer_question Click on the link to solve this problem: 2.) Determine the future values if $5,000 is invested in each of the following situations: a.) 5 percent for ten years http://www.algebra.com/tutors/faq.mpl?key=236334&action=answer_question Click on the link to solve this problem: use the fundamental identities to simplfy csc^2(beta)((1-cos^2(beta)) http://www.algebra.com/tutors/faq.mpl?key=236333&action=answer_question Click on the link to solve this problem: Is 4 a solution to (y-2)+2=3/8(3y4) http://www.algebra.com/tutors/faq.mpl?key=236332&action=answer_question Click on the link to solve this problem: Is 4 a solution to (y-2)+2=3/8(3*y4) http://www.algebra.com/tutors/faq.mpl?key=236331&action=answer_question Click on the link to solve this problem: N is 80% of P N to the root of 2 is what percent of P to the root of 2? http://www.algebra.com/tutors/faq.mpl?key=236330&action=answer_question Click on the link to solve this problem: If a radius of a certain circle is tripled, with 8.2 centimeters then added, the result is the circumference of the circle. Find the radius of the circle. http://www.algebra.com/tutors/faq.mpl?key=236329&action=answer_question Click on the link to solve this problem: suppose that 18,000 is invested in two types of bonds for one year. Part of the money is invested in a high-risk, high growth fund that earned 24% annual interest. The rest is invested in a safe fund that earned 5% annual interest. If $2320 in interest is earned, how much was invested at each rate? http://www.algebra.com/tutors/faq.mpl?key=236328&action=answer_question Click on the link to solve this problem: Rewrite as an equivalent exponential equation. Do not solve log10^0.000001 = 6 http://www.algebra.com/tutors/faq.mpl?key=236327&action=answer_question Click on the link to solve this problem: solve the quadratic equation by using the square root property. 4(a-5)^2=1 http://www.algebra.com/tutors/faq.mpl?key=236326&action=answer_question Click on the link to solve this problem: if http://www.algebra.com/tutors/faq.mpl?key=236324&action=answer_question Click on the link to solve this problem: Radioactive strontium 90Sr has been deposited in a large field by acid rain. If sufficient amounts make their way through the food chain to humans, bone cancer can result. It has been determined that the radioactivity level in the field is 1.7 times the save level S. 90Sr decyas according to the formula A(t)=Aoe^-0.0239t where Ao is the amount curretly in the field and t is the time in years. How many years will it take until the field is contaminated. http://www.algebra.com/tutors/faq.mpl?key=236323&action=answer_question Click on the link to solve this problem: A TRAIN TRAVELS 20 FEET IN IN 1/5 OF A SECOND, AT THE SAME SPEED HOW MANY FEET WILL IT TRAVEL IN 3 SECONDS? http://www.algebra.com/tutors/faq.mpl?key=236322&action=answer_question Click on the link to solve this problem: how do you convert 4 1/8 pounds to ounces. http://www.algebra.com/tutors/faq.mpl?key=236321&action=answer_question Click on the link to solve this problem: factor 15 x to the 3rd- 5x http://www.algebra.com/tutors/faq.mpl?key=236320&action=answer_question Click on the link to solve this problem: a motor boat travels 36km down stream in 2 hours . in coming back up streams, the trip takes 3 hours. find the rate of the boat in still water and the rate of the current.(solve using linear system) http://www.algebra.com/tutors/faq.mpl?key=236253&action=answer_question Click on the link to solve this problem: If a piece of aluminum with a mass of 37.6 grams and a temperature of 100.0 degrees Celsius was dropped into 25.0 cm^3 of water at 20 degrees Celsius, what would the final temperature be? http://www.algebra.com/tutors/faq.mpl?key=236126&action=answer_question Click on the link to solve this problem: Evaluate the exponential equation for three positive values of x, three negative values of x, and at x=0. Show your work. Use the resulting ordered pairs to plot the graph. State the equation of the line asymptotic to the graph (if any). y = -3 to the x power http://www.algebra.com/tutors/faq.mpl?key=236123&action=answer_question Click on the link to solve this problem: what is the answer and working out to - solve the following linear equations simultaneously 4x+4y=5 and 2y=2x-5 http://www.algebra.com/tutors/faq.mpl?key=236122&action=answer_question Click on the link to solve this problem: I need help explaining multiplying and dividing negative numbers using the number line. Does the answer jump to the right of zero or or does it stay on the left and is reported as an absolute number. http://www.algebra.com/tutors/faq.mpl?key=236118&action=answer_question Click on the link to solve this problem: a-On a graph draw the triangle with vertices (-2,0), (0,2) and (2,-2) b-Find the three inequalities that define the region inside the triangle. c- What is the smallest integer value of x that satisfies all three inequalities? Please draw the triangle and explain me everythong in detail so that I may understand. The answer for part b should be y<x+2, y<-2x+2 and 2y+x>-2 and for part c it should be y=-1. Thank you very very much!! http://www.algebra.com/tutors/faq.mpl?key=236104&action=answer_question Click on the link to solve this problem: on a 100-questions test, 60 questions involve algebra and 20 questions are difficult. if 8 of the difficult questions involve algebra , how many of the questions that are not difficult do not involve algebra? a) 92 b) 80 c) 52 d) 28 e)12 http://www.algebra.com/tutors/faq.mpl?key=236103&action=answer_question Click on the link to solve this problem: in the expression w/x - y/z = 1 the letters can be replaced by the numbers (1,2,3,4) but not necessarily in that order. the sum of w and y is a) 3 b) 4 c) 5 d) 6 e) 7 http://www.algebra.com/tutors/faq.mpl?key=236100&action=answer_question Click on the link to solve this problem: What is the smallest integer that could be part of a set of two or more positive consecutive integers whose sum is 100? http://www.algebra.com/tutors/faq.mpl?key=236099&action=answer_question Click on the link to solve this problem: A unit fraction is a fraction whose numerator equals one. The sum of three different positive unit fractions is 6/7. Find the smallest number that could be the sum of the denominators of these fractions.