Answer:
D.
Step-by-step explanation:
First, multiply straight across and put everything together:
Notice we can simplify by cancelling a b and reducing 3/12:
This cannot be simplified further.
D.
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1 answer:
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Answer:
Given: ,
,
,
formed by two intersecting segments.
In the given figure;
Linear pair states that a pair adjacent angle formed when two lines intersect.
Then by definition of linear pairs,
and
forms a linear pair
Also, and
forms a linear pair.
Linear pair postulates states that the two angle that forms a linear pair are supplementary(i,e add up to 180 degree).
Then by linear pair postulates;
and
Substitution property of equality states that if x =y then, x can be substituted in for y or vice -versa.
then by substitution property of equality:
Addition property of equality states that:
if x =y, then x + z = y+ z
By addition property of equality:
hence proved!
Answer:
The object will reach its highest point 0.5 seconds after it has been thrown.
Step-by-step explanation:
The object reaches its maximum height when velocity is equal to zero, the velocity is the derivative of function height. That is:
(1)
Where is the velocity of the object at time
, in feet per seconds.
If we know that and
, then the time when object reaches its highest point is:
The object will reach its highest point 0.5 seconds after it has been thrown.