Change in y over change in x
The answer is B. First solve the parentheses. Then make a quadratic equation and solve from there.
D. None. Say the obtuse angle is 100 degrees. Since the sum of all angles in a triangle cannot be bigger than 180, it's not possible because 195 (100+95) is greater than 180 degrees.
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Hello,
g=9.81m/s²= 9.81/0.3048 =32.18.. ft/s² rounded to 32
h=-g/2*t²+vt+h0
if t=0,h=0 ==>h0=0
==>h=-16*t²+vt
50 ft in 2.5s ==> 25 ft in 1.25s
25=-16*1.25²+v*1.25
==>v=50/1.25=40
Equation h=-16t²+40*t
Option C:
is equivalent to the given expression.
Solution:
Given expression:

To find which expression is equivalent to the given expression.

Using exponent rule: 


Using exponent rule: 


Divide both numerator and denominator by the common factor –6.


Therefore,
is equivalent to the given expression.
Hence Option C is the correct answer.