The sales of a certain product after an initial release can be found by the equation s=16√7t+62 where s represents the total num
ber of units sold and t represents the time in weeks after release. How many weeks will pass before the product sells about 150 units? A. 176 weeks B. 69 weeks C. 4 weeks D. 30 weeks
You want to replace the s with 150 in the equation and then just solve for t. 150=16√7t +62 subtract 62 from both sides 88=16√7t divide both sides by 16 5.5=√7t to get rid of the square root square both sides. 30.25=7t now divide both sides by 7 4.3 = t (approximately) so at 4 weeks they will have sold 150 units.
To find the dimensions of a square with an area of 441cm² find the square root. The square root is 21. That means that each side of the square is 21 cm long.
