Answer:
C
Step-by-step explanation:
Answer:
D, 5m+3
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Step-by-step explanation:
Distribute:
=(3)(m)+(3)(1)+2m
=3m+3+2m
Combine Like Terms:
=3m+3+2m
=(3m+2m)+(3)
=5m+3
Given:
Base of a right triangle = 7 in
Height of a right triangle = a
Hypotenuse = 16 in
To find:
The length of side a.
Solution:
Using Pythagoras theorem:



Subtract 49 from both sides.


Taking square root on both sides, we get
a = 14.4
The length of side a is 14.4 in.