Answer:
20
Step-by-step explanation:
9-(-11)
turns to 9+11 = 20
Answer:
5 feet
Step-by-step explanation:
When you place a 13-food ladder against the top of a 12-foot building, the ladder becomes the hypotenuse of the right angle triangle formed.
Let x be the distance of the bottom of the ladder away from the bottom of the building.
Using the Pythagoras Theorem we obtain:
This implies that:
The bottom of the ladder will be 5 feet away from the bottom of the ladder
Answer:
720
Step-by-step explanation:
1600*0.09=144
144*5=720
Answer:
uhhhh maybe add a picture ?
Step-by-step explanation:
Answer:
49
Step-by-step explanation:
x = 7
1 / x^-2
= x^2
= 7^2
= 49