Answer:
The correct option is (A).
Step-by-step explanation:
The expression Carey is solving is:
Simplify the expression as follows:
So, in Carey's calculation the third step is incorrect.
Instead of 27 the three-fourth must be multiplied by 36 to get the correct answer.
Thus, the correct option is (A).
Answer:
10 feet
Step-by-step explanation:
BC = CD*tan(30 ) = 5
AC = CD*tan(60) = 15
=> AB = AC-BC = 10
The steps are:
In the first step you subtracted 5 from both sides, in the second step you divided both sides by 3.
Answer:
Option B
Step-by-step explanation:
Option B has 10° and 30° angles that share a side that measures 20 cm. The other options aren't correct.
Hope this helps!
Answer:
m=2j+10
m+j=52
Step-by-step explanation:
m = maria
j = juan