Answer:
The smart-phone hit the ground when t = 7 s
Step-by-step explanation:
The height "h" is defined as:
h=16t^2 + 48t + 448
And, when the smart-phone hits the ground, h = 0 ft . Then,
16t^2 + 48t + 448 = 0
And this is a quadratic equation, and we can solve it using the formula for ax^2 + bx + c = 0, which is
x=
So,
t =
t =
And, we have two responses,
t_1 = and t_2 =
t_1 = - 4 s and t_2 = 7 s
As we know, the time is a quantity that cannot have a negative value, so, we take the result 2.
Step-by-step explanation:
3b+5<-2
subtract 5 from both sides
3b< -7
divide by 3
b < -7/3
The definition an oblique cylinder has the same volume as a right cylinder of the same base and height. So the Volume of Cylinder B doesn't depend on the "lean" and is the same as Cylinder 'A'; 360 cu.cm.
Answer:
where is the graph
Step-by-step explanation:
What We Know:
She can buy up to 8 boxes. Each box had 32 hot dogs. She can't buy partial boxes.
What We Need To FInd Out:
Practical Domain and Range.
On a graph, domain is the x value, (on the horizontal line,) and range is the y value, (on the vertical line.) She can buy 8 boxes. Practically, she wouldn't buy zero boxes of hot dogs, so it's 1-8. She has 15 hot dogs already, so add that to the first 32. 47-271.
So, if I'm correct...
Domain: 1-8
Range: 47-271
Please let me know if this is helpful.