Ask a New Question

Question

The formula h=280t-7t^2 gives the height, h in meters, of a rocket t seconds after take off. The maximum height reached by the rocket is 2800 m. How long will it take the rocket to reach this maximum height?
12 years ago

Answers

Henry
h = 280t - 7t^2 = 2800.
-7t^2 + 280t - 2800 = 0
Use Quadratic Formula.
t = 20 s.
12 years ago

Related Questions

How many of O is in the formula 4Cu(OH)2 ? (The 2 is the subscript) The formula D = t + tsp is used to determine how much turkey, stuffing, and potatoes a family will c... Factor: 1200+1640t+280t^2 what is the formula for the total surface area of a cylinder? (1 point) Using the formula v=bxh What is the volume of a Re angular prism with a length of 7 1/4 width of 10... Which formula can be used to find the slope of a line from two points (x1,y1) and (x2,y2) ?(1 poi... Formula 1: CaCl2 Formula 2: CaC2 Which statements about the chemical symbols of the elem... Use the formula f(b)-f(a)/b-a to calculate the average rate of change over the interval [-2, 0] give... What is the formula for the Pythagorean Theorem? * 1 point Captionless Image a + b = c A = pi... What is the formula for the Pythagorean Theorem? *
Ask a New Question
Archives Contact Us Privacy Policy Terms of Use