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 Test Calculators and Practice Answers archive Word Problems Lessons In Depth

 Question 368196: Find the zeros of f(x) f(x) = x + 1 Click here to see answer by Fombitz(13828)

 Question 368872: Three times four to the second power minus twenty one Click here to see answer by Fombitz(13828)

 Question 368871: three times four to the second power minus twenty one Click here to see answer by Fombitz(13828)

 Question 368880: If lettie is going 80mph on the freeway how long will it take her to travel 50 miles Click here to see answer by Fombitz(13828)

 Question 368736: I cannot figure this out, although I have help with this type of question before. Can you show me how to do it again. Here it is: 15(2x+1)^3+6(2x+1)^2-21(2x+1) Click here to see answer by robertb(4012)

 Question 368914: Stan is 2/3 as old as Joe. In seven years, Stan will be 3/4 as old as Joe. How old are they now? Click here to see answer by robertb(4012)

 Question 368925: Help. I keep getting this type of question wrong. (r-2t)^3+(r+3t)^3 Answer: (2r+t)(r^2+rt+19t^2) I got (2r+t)(r^2+3rt+19t^2) Can you also show me some alternatives to the same type of question, like (r+t)(r-t) also Click here to see answer by mananth(12270)

 Question 368869: Need some help with understanding how to use the equal additions method to compute the exact answer mentally for this problem. 325 - 195 = Thanks a million :o) Click here to see answer by Fombitz(13828)

 Question 369209: Using each number only once, use 2,4,6 & 8 to write an expression with two proper fractions that have the largest possible sum. Click here to see answer by acalgebra(30)
 Question 369209: Using each number only once, use 2,4,6 & 8 to write an expression with two proper fractions that have the largest possible sum. Click here to see answer by Alan3354(30940)

 Question 369353: for the following equation, state the value of the discriminant and then describe the nature of the solutions. -19x^2+4x+3=0 does the equation have one real solution, two real solutions, or two imaginary solutions? Click here to see answer by mananth(12270)

 Question 369325: find a polynomial for the perimeter and for the area top m+4 side m Click here to see answer by Fombitz(13828)