Answer:
neither
Step-by-step explanation:
he has read 3/6 of his book
The potential energy is 784 J when it's sitting on the stop of the building.
Answer:
x = 40
Step-by-step explanation:
Using Pythagoras' identity in the right triangle
x² + 30² = 50²
x² + 900 = 2500 ( subtract 900 from both sides )
x² = 1600 ( take the square root of both sides )
x =
= 40
Answer:
1. 140
2. 140
3. 40
4. 40
Step-by-step explanation:
The lines are parallel so angels 1,4,5,8 are the same.
Same with angels 2,3,6,7.
To find angels 7 and 2 subtract 140 with 180 since the horizontal line equals 180 which gives you 40