Answer:
C
Step-by-step explanation:
Answer:
The dimensions are:
by 
Step-by-step explanation:
The area of the rectangle is given as
The factored form of this quadratic trinomial gives the dimensions of the rectangle.
We factor 3 first to obtain;
We split the middle term to get;
We factor within the parenthesis to get;
We factor further to get;
The dimensions are:
by
Then the perimeter will be
You know the definitions of the trig functions tell you
.. cos(78°) = (5 ft)/?
.. ? = (5 ft)/cos(78°) ≈ 24.0 ft
<span>The
missing pieces strategy is another method to compare two fractions. To tell
which number is larger, you ned to see which one is missing less. For example
you have ¾ versus 4/5. Each of these fraction needs 1 to complete the whole. You
need to subtract the numerator with one to compare them. For ¾ we have ¼ and
for 4/5 we have 1/5. You know that if you complete 4/5 you will get 5 and for ¾
you will get 4. You know that 5 is greater than four. Therefore, 4/5 is larger
than ¾.</span>
