Answer:
14
Step-by-step explanation:
3 + 2 + (5 - 1) + 5
Always solve the ones inside the parentheses first.
3 + 2 + (4) + 5
5 + 4 + 5
9 + 5
= 14
6 seconds = 540 m
-----------------------------
Find 1 second:
-----------------------------
6 sec = 540 m
1 sec = 540 ÷ 6
1 sec = 90m
-----------------------------
Find 4 seconds:
-----------------------------
1 sec = 90m
4 sec = 90 x 4
4 sec = 360 m
----------------------------------------------------------
Answer: It can travel 360m in 4 seconds.
----------------------------------------------------------
Answer:
the last one
Step-by-step explanation:
function is: a relation from a set of inputs to a set of possible outputs where each input (X)is related to exactly one output (Y). Only the last choice satisfies this definition
1. Check the sketch of the problem.
2. In right triangle DCE,

tan 50 can be found to be 1.19 using a scientific calculator or other software.

x=1.19*50=59.5 (feet)
3. The height of the building is 59.5+5=64.5 (feet)
Answer: 64.5 (feet)