Answer:
45
Step-by-step explanation:
The 45° complement is the angle that constitutes a right angle (90°) when added to 45 .°.
90 - 45 = 45
Answer:
-3.25
Step-by-step explanation:
Simply plug in a -1 for the x and a 4 for the y, and then use a calculator
Answer:
the answer is the second one 480ft^3
Answer:
CD = 3.602019190339
Step-by-step explanation:
CD = DA - CA
DA = DB×Cos(29) = 18.7×cos(29) = 16.355388523507
BA = BA×cos(43) = 18.7×cos(43) = 13.676314220278
CA = BA÷tan(47) = 13.676314220278÷tan(47) = 12.753369333168
Then
CD = 16.355388523507 - 12.753369333168 = 3.602019190339
A variable is a letter that replaces an unknown number.
