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 Test Calculators and Practice Answers archive Word Problems Lessons In Depth

 Question 404498: Factor by grouping. 6x^3 + 7x^2 - 24x - 28 Click here to see answer by nerdybill(6948)

 Question 404710: -2-5i/3 Click here to see answer by Alan3354(30975)

 Question 404867: Hello I was wondering if you could help me with my algebra like for example 7de+8df-2de+df I know how to work it out I'm just not sure if you put a + or - in the answer Click here to see answer by rfer(12646)

 Question 405065: Coat cost \$156 this is 35% of original price. What is original price? Click here to see answer by rfer(12646)

 Question 405081: Maria weighs 124 pounds. What is her weight in kilograms Click here to see answer by rfer(12646)

 Question 405083: What is the derivative of y = square root of 3x ? a.dy/dx = square root of 3x/6x b.dy/dx = square root of 3x/2x c.dy/dx = 2 times the square root of 3x / 3x d.dy/dx = square root of 3x/2 What do you think is the closest to the answer ? I think maybe B . I honestly dont know? Click here to see answer by richard1234(5390)

 Question 405172: Can you please help me with these problems (write in simplest form) 2x+(-6y) and 11x+(-y) Click here to see answer by Alan3354(30975)

 Question 405182: That's two different problems Click here to see answer by Alan3354(30975)

 Question 405239: find the question of the line containing the given pair of points. (-1, -7)(-6,-4) Click here to see answer by MathLover1(6618)

 Question 405246: In what quadrant is the terminal point of the vector below located? v = 5i - 3j Click here to see answer by MathLover1(6618)

 Question 405250: Perform the following operation: v + w = ? where v = 2i - 6j w = 3i + 4j Click here to see answer by MathLover1(6618)

 Question 405258: Find the unit vector that has the same direction as v = 4j. Click here to see answer by MathLover1(6618)

 Question 405261: Find the magnitude of the following vector: v = 2i - 4j Click here to see answer by MathLover1(6618)

 Question 405321: T-1/8>1/2 Click here to see answer by rfer(12646)

 Question 405377: 2/z-3+3/3z-9=0 Click here to see answer by algebrahouse.com(1079)

 Question 405536: How do u write 1 thousand 9 hundred and 6 ones in standard form Click here to see answer by stanbon(57228)

 Question 405535: Convert 10,241 to expanded form Click here to see answer by stanbon(57228)

 Question 405539: The sum of seven times a number and the number is 24. What is the number? Click here to see answer by stanbon(57228)

 Question 405543: My kid is working with factoring polynomials I am trying to help, of course it's been tough. Can you advise Click here to see answer by jim_thompson5910(28493)
 Question 405543: My kid is working with factoring polynomials I am trying to help, of course it's been tough. Can you advise Click here to see answer by MathLover1(6618)

 Question 405554: Two less then twice a number equals the number plus 12. What is the number? Click here to see answer by rfer(12646)

 Question 405577: Do u guys rape lil children Click here to see answer by Alan3354(30975)

 Question 405673: The sum of three consecutive odd integers if the first integer is x Click here to see answer by josmiceli(9654)

 Question 405694: Enrollment at an online university is 11600. There are seven times as many students who work full time as there are students who do not. How many students work full time and how many do not? Click here to see answer by checkley79(3039)

 Question 405724: Can you help me understand how to solve this word problem..."the ones digit of a two digit number is 5 less than the tens digit, and the number is 55 more than three times thesum of the digits. What is the number?". I don't want the answer, but wantto learn how to solve it thanks Click here to see answer by ankor@dixie-net.com(15628)

 Question 405804: How do you factor 2x3-10x2+40=8x Click here to see answer by stanbon(57228)

 Question 405999: X^2+2x-3=0 Click here to see answer by Tatiana_Stebko(1326)

 Question 399815: How do you find the decimal equivalent of a fraction Click here to see answer by whitelandsenior2011(1)

 Question 406138: 8 questions! Solve each inequality . 1. 6 < c + 1 a. c < 5 b. c > 5 c. c < -5 d. c > -5 2. 12+g<4 a. g< 8 b. g > 3 c. g > -8 d. g < -8 3. y - 4 >= -2 a. y >= -2 b. y >= 2 c. y >= -6 d. y >= 6 4. is -3.9 a solution of x + 7 <= 3 yes no 5. is -4 a solution of x+7 < = 3? yes or no 6. Is 0 a solution of x + 7 < = 3? yes no 7. Write an inequality that models the following situation using x to represent the variable: This season, Nora has 125 at bats in softball. By the end of season she wants to have at lease 140 at - bats. How many more at - bats does Nora need to reach her goal? ( don't put any spaces between parts of your answers) 8. Solve the inequality -5 <= x - 6 ( don't include spaces between parts of your answers; x must come first in your answer) Click here to see answer by ewatrrr(10682)

 Question 406151: solve the following inequality . -20 < = 3t - 2 < 1 Click here to see answer by MathLover1(6618)

 Question 406168: Use the formula for simple interests, / = prt. Find p if /= \$ 313.42, r= 2.5%, & t=3 yr. it's either in the 3 thousands or 4. I know. ------------ You roll a standard number cube. Find P ( number greater than 1 ). The choices they gave were; 6/5 5/6 1/6 or 1 ------- Teesha is in the French club. There are 26 students in the club. The French teacher will pick 3 students at random to guide visiting students from France. What is the probability that Teesha will not be picked as a guide? --------- Click here to see answer by ewatrrr(10682)

 Question 406197: solve F=9/5C+32 for C Click here to see answer by ewatrrr(10682)

 Question 406205: What is the average of the following numbers... 23/6, 17/4 , 7/2, 7 Click here to see answer by stanbon(57228)

 Question 406116: SOLVE THE COMPOUND INEQUALITY. :) -20 < =3G - 2 < 1 Click here to see answer by ankor@dixie-net.com(15628)

 Question 406260: 3/14 rounded to the nearest fourth? Click here to see answer by Alan3354(30975)

 Question 406177: A nurse wants to add water to 30 ounces of a 10% solution of benzalkonium chloride to dilute it to an 8% solution. How much water should she add? (hint: water is 0%benzalkonium chloride. ) Click here to see answer by ankor@dixie-net.com(15628)

 Question 406534: What does Range mean? How do u find the range of 10 numbers Click here to see answer by richard1234(5390)

 Question 406562: Find the derivative of y=x^2e^-x Click here to see answer by richard1234(5390)

 Question 406561: Find the equation of the line tangent to f(x)=sin(2x)ln(x^2) at the point (1,0) Click here to see answer by robertb(4012)