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 Test Calculators and Practice Answers archive Word Problems Lessons In Depth

 Question 146923: segment p1 p2 has length L and endpoints p1=(2,7)and p2=(8,3). find a point on p1 p2 that is 1/3L away from p1. A.(6,11/3) B.(4,5) C.(4,17/3) D.(11/3,17/3) E.n/a Click here to see answer by stanbon(57219)

 Question 147686: Christi's mother gave her \$9.00 to buy 10 cent and 15 cent stamps. Christi returned with \$1.75 in change and a total of 60 stamps. How many of each kind of stamp did she buy? Click here to see answer by mangopeeler07(462)

 Question 146353: Use either the fundamental counting principle or the permutation formulas (or both) to answer the following: Using the letters of the word YOUNG, tell how many different 5-letter combinations are possible if: the first letter must be Y Click here to see answer by Electrified_Levi(103)

 Question 147927: Solve the following equation for y, showing all work. Ln (y) – Ln (y-4) = Ln (2) Click here to see answer by Fombitz(13828)

 Question 147928: Write the following as one logarithm with a coefficient of 1: 2log a + log b – 3log c – log d Click here to see answer by scott8148(6628)

 Question 147991: Which of the following is NOT an exponential function? f(x)=x^3 f(x)=3^x f(x)=5^2x Click here to see answer by nerdybill(6948)

 Question 147989: Solve the equaton x^3-4x^2-x+4=0 and list all the solutions. Click here to see answer by stanbon(57219)

 Question 147984: which number is a possible solution to this equation 2x^3-4x^2+5x-14=0. 2, 3, 5, or 0 Click here to see answer by stanbon(57219)

 Question 147986: Solve for x : 2log_base3 x - log_base3 2 = log_base3 x Click here to see answer by stanbon(57219)

 Question 147983: All possible solution to the equation 2x^3-4x^2+5x-14=0 is ....? Click here to see answer by stanbon(57219)

 Question 148181: 7) Tickets for a play at the community theater cost \$20 for an adult and \$8 for a child. If 220 tickets were sold and the total receipts were \$3200, how many of each type of ticket were sold? Can someone please help? v/r Jess Click here to see answer by stanbon(57219)

 Question 148186: Hi, I am really stuck on this question. Can someone help me please?? A secretary periodically checks to see how many of the three lines into the office are busy. her finding for one week were the following. No. lines busy Frequency 0 20 1 65 2 25 3 10 Let the random variable X be the number of lines busy. Find the probability distribution of X. Click here to see answer by edjones(7569)

 Question 148187: Hi, I am stuck on another one of these problems, can someone help me? Estimate the population standard deviation of the grouped data. Score Frequency 1-3 1 4-6 6 7-9 3 a. √6.0 b. √5.6 c. √3.24 d. √4.24 Click here to see answer by Edwin McCravy(8879)

 Question 148581: this is a question on my reviewsheet! help! 1 --- a+ 2 -- b Click here to see answer by mangopeeler07(462)

 Question 148599: how do u solve this problem! ive been stumped for awhile? p^3(9p^2q^6)^1/2 Click here to see answer by Fombitz(13828)

 Question 148598: how do solve a problem with a fraction as the exponent? (48x^12y^8)^1/2 Click here to see answer by Fombitz(13828)

 Question 148597: how do you solve a problem with exponents if they are (1/2) (16x)^1/2 + 5(x)^1/2 Click here to see answer by Fombitz(13828)

 Question 148596: this one has varibles and divison again x^2-16/x^2-8X+16 i started by breaking it down so dar ive got (x-4)(x+4)/(x-4)(x-4) Click here to see answer by Earlsdon(6287)

 Question 148721: A city has a population of 20,000 people in the year 2000. If the population increases 5% per year, what will the population be in 2010? ( You are not summing the population over 2000-2010. Find the population in the year 2010, use a1r^n to solve.) Click here to see answer by ankor@dixie-net.com(15624)

 Question 148725: Use either the fundamental counting principle or the permutation formulas (or both) to answer the following How many seven-digit phone numbers can be formed if the first digit cannot be 0 and repetition of digits is not permitted? if repetition of digits is permitted? The Board of Directors does not have assigned Click here to see answer by stanbon(57219)

 Question 149019: Write an equation or inequality for the verbal statement "seven is equal to 4 times a number B." Click here to see answer by nerdybill(6948)

 Question 149020: Write an equation or inequality for the verbal statement "seven is less than 4 times a number B." Click here to see answer by nerdybill(6948)

 Question 149018: Write the following sentence as a mathematical statement. The product of d and 3 is greater than or equal to x. Click here to see answer by nerdybill(6948)

 Question 149017: Write a variable expression for the volume of a cube whose side length is x. Click here to see answer by nerdybill(6948)

 Question 149016: Write a variable expression for 7 divided by the sum of x and 5 Click here to see answer by nerdybill(6948)

 Question 149021: Roman paid \$150 to join a handball club. He pays an additional \$15 every time he uses one of the club's handball courts. Write an equation that describes Roman's total cost for playing handball as a function of the number of times he plays. Let C= the total cost and n= the number of times he plays. Click here to see answer by nerdybill(6948)

 Question 149064: make your own table of values for the function y=(-2)^x . Use the integers from -3 to +3 for your x values. Graph these points on a sheet of scrap paper. What happens to your graph? What are your coordinates for the table and your thoughts about the graph with the assignment. Click here to see answer by ankor@dixie-net.com(15624)

 Question 149464: how would i change 1.00x + 0.28(40) = 0.40(x + 40) into a word problem Click here to see answer by nabla(475)

 Question 149586: Evaluate the expression when x= -3 (-5 times x) (7/8) Click here to see answer by jojo14344(1512)

 Question 149587: Remove the parentheses by applying the Distributive Property. 20x(3-2x) Click here to see answer by jojo14344(1512)

 Question 149582: Write the numbers in increasing order. 3/2, -10, 0, 2/3, -5/4, 1 Click here to see answer by jojo14344(1512)