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<span>h(t) = 80t – 16t^2
When you are on the ground we have zero height, h(t) = 0. This is saying that at some amount of time we will call t, the object will hit the ground. Now we solve for t to get that time
so we sub h(t) for 0.
0=80t-16t^2 move the -16t^2 to the other side
16t^2=80t divide both sides by t
16t=80 divide both sides by 16
t=5
Now... it is important to realize that there are going to be 2 answers to this equation as you have a t^2. The other answer is 0. Obviously, unless the object started on the ground, the time to hit the ground is not 0 and that answer is ruled out.
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<span>Para que un polígono sea convexo, todos sus ángulos interiores deben ser inferiores a 180 grados</span>
49 kms : 7 tanks
divide both sides by 7
equals
7 kms : 1 tank
-2x * 3x * -x
-6x² * -x
6x³
Answer:
<u>Question 3</u>
Given expression:
Both parentheses share a common term.
To factor out a common term: ab + ac = a(b + c)
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<u>Question 4</u>
To calculate the amount of money Rajni had to begin with, sum the three amounts she spent:
As 
, then:
Collect and sum the whole numbers:
As 
, then
