Putting a ladder up against a straight wall. The sides of the triangle are:
1: the ladder
2: the walls
3: the ground from the wall to the ladder
Answer:
f(1) = 10
Step-by-step explanation:
Here you can just replace any x with 1.
f(1) = 9(1) - (1)2 + 3(1)
Answer:
5-n squared+3 squared
Step-by-step explanation:
Answer:

Step-by-step explanation:
Distance covered by the train in crossing the pole = 100 m.






- Hence, the speed of the train is 72 km/h
Answer:
3.5
Step-by-step explanation:
98/8=12.25
√12.25=3.5