2 of 6 (0 complete) 1.7.41 How much water should be added to 1 gallon of...
How many grams of chlorine should be added to a 6000 gallon pool in order to obtain 2.4 ppm of chlorine? (1 gallon of water has a mass of 3.785 kg) parts per million
Homework: 7.4 Homework Score: 0 of 1 pt 7.4.39 | 9 of 11 (8 complete Perform the indicated operation. Simplify if possible 7u ly your answer) Enter your answer in the answer box and then cick Check Angwer All parts showing Clear Al
1.4.RA-4 0 of 1 Point Question Help Suppose the size of a population is N 5500 and the sample size desired is n 14. What value of k should be used to obtain a systematic sample from this population? (Round down to the nearest whole number as needed.) Enter your answer in the answer box and then click Check Answer. 2 All parts showing Clear All Check Answer
1.ULUU Find an equation for the graph. 24 6. G Type the equation of the given graph in the form y=Asin Bx or y= A cos BX y=0 (Use integers or fractions for any numbers in the expression. Simplify your answer.) Enter your answer in the answer box and then click Check Answer. Clear All All parts showing
3.5.53 Solve the equation on the interval [0,26). (cot 8 - 1)(sin 0-1) = 0 Select the correct choice below and fill in any answer boxes in your choice. O A. e= (Simplify your answer. Type an exact answer, using n as needed. Type your ans expression. Use a comma to separate answers as needed.) OB. There is no solution on this interval. Click to select and enter your answer(s) and then click Check Answer. All parts showing Clear All...
3.2.12 Combine the methods of row reduction and cofactor expansion to compute the determinant. - 1 590 4 24 0 6 6 8 8 5 3 5 4 The determinant is : (Simplify your answer.) Su dia eo Enter your answer in the answer box and then click Check Answer Lions All parts showing Clear All
fluoridation accurate as a result of addition of NaFto water. Suppose the desired cocentratioco of F- is 0.3 ppm. Calculate how many milliligrams of NaF should be added per gallon of treated water if the water supply already has 0.01 ppm in F-? (1 gallon = 3.786L)
о IINGO UneworK. Clapt Tewulk Score: 0 of 1 pt 12 of 18 (0 complete) HW Problem 9.1 A В A 7 7 7 rin Workpieces moved per week between work areas are: orai A urce A 900 800 500 300 300 700 It costs Gordon $2 to move 1 work piece 1 foot. enter The weekly total material handling cost of the layout $ (enter your response as a whole number). ation T Enter your answer in the answer...
2 of 4 (0 comple 3.3.27 Divide using synthetic division. x2 + x3 - 2 X-1 x³ + x² -2 X-1 X-1 (Simplify your answers. Do not factor.) Library Options ons Enter your answer in the edit fields and then click Check Answer All parts showing Tools Clear All 2 3 4 5 6 8 14
Please complete the table and answer how many liters of 10%
acid solution the chemist should add.
A chemist wishes to mix a solution that is 6% acid. She has on hand 14 liters of a 2% acid solution and wishes to add some 10% acid solution to obtain the desired 6% acid solution. How much 10% acid solution should she add? Complete the table Liters of Percent Acid Liters of Solution (as a decimal) Pure Acid 14 0.02 х...