![subject](/tpl/images/cats/mat.png)
Mathematics, 05.02.2020 09:47 trinityine
Afirecracker shoots up from a hill 160 feet high, with an initial speed of 90 feet per second. using the formula h(t) = −16t2 + vt + s, approximately how long will it take the firecracker to hit the ground?
a. five seconds
b. six seconds
c. seven seconds
d. eight seconds
![ansver](/tpl/images/cats/User.png)
Answers: 1
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Another question on Mathematics
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 22.06.2019 01:00
Arestaurant offers delivery for their pizzas. the total cost the customer pays is the price of the pizzas, plus a delivery fee. one customer pays $23 to have 2 pizzas delivered. another customer pays $59 for 6 pizzas. how many pizzas are delivered to a customer who pays $86?
Answers: 1
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 22.06.2019 01:30
Aresearch study is done to find the average age of all u.s. factory workers. the researchers asked every factory worker in ohio what their birth year is. this research is an example of a census survey convenience sample simple random sample
Answers: 3
You know the right answer?
Afirecracker shoots up from a hill 160 feet high, with an initial speed of 90 feet per second. using...
Questions
![question](/tpl/images/cats/mat.png)
Mathematics, 07.06.2020 17:57
![question](/tpl/images/cats/mat.png)
Mathematics, 07.06.2020 17:57
![question](/tpl/images/cats/mat.png)
Mathematics, 07.06.2020 17:57
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/geografiya.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 07.06.2020 17:57
![question](/tpl/images/cats/mat.png)
Mathematics, 07.06.2020 17:57
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 07.06.2020 17:57
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/fizika.png)
Physics, 07.06.2020 17:57