Answer:
sin(72°)=x÷20ft.
sin(72°)×20ft.= 19ft 252 inches
the ladder reach 19ft 252 inches tall on the building.
Step-by-step explanation:
Answer: after 5 months
Step-by-step explanation:
Let x be the number of months it takes for Dalia to have more gems than Grace.
We can set up an inequality; the left side representing Dalia and the right side representing Grace
20x > 120-10x
We can add 10x to both sides:
30x > 120
We can divide both sides by 30:
x > 4
Therefore, after 5 months Dalia will have more gems than Grace.
Answer:
V = 
Step-by-step explanation:
Given
B =
( multiply both sides by h )
Bh = 3V ( isolate V by dividing both sides by 3 )
= V
Answer:
200
Step-by-step explanation:
balancing it with 120 is 76 so this what you get