mlgsavagedoge mlgsavagedoge
  • 21-10-2022
  • Mathematics
contestada

A warning flare is fired vertically from the top of a tower. Its height h in metres after r is
given by the equation h=10+40t-5t².
a. How high is the tower?
b. What height is reached by the flare?
c. How long is it in the air (until it hits the ground)?

Respuesta :

Otras preguntas

Without parentheses, the expression 8 plus 30 divided by 2 plus 4 equals 27. Rewrite this expression with parentheses so that it equals 13; then 23
what are two organs that are difficult to repair using stem cells?
Write forty-five thousandths in standard form.
Use properties to find the sum or product 93+(68+7)
what two forms can you write 4.293
True or false: The kingdoms of Africa had little contact with the outside world on the eve of European exploration.
1. Give an example of a repeating decimal where two digits repeat. Explain why your number is a rational number.2. Explain why any rational number is either a t
If a positive integer n is picked at random from the positive integers less than or equal to 10, what is the  probability that 5n + 3 ≤ 14?
solve this equation -9h -6 +12h + 40=22.
Show how to count from 170 to 410 using tens and hundreds