Answer:
10.7 ft (i think that was supposed to be 7 if not plug in the correct shadow height for 7 to find the height of the tree)
Step-by-step explanation:
5/7 = x/15
multiply by 15
x=10.7 ft
Answer:
slope = - 
Step-by-step explanation:
Calculate the slope m using the slope formula
m = (y₂ - y₁ ) / (x₂ - x₁ )
with (x₁, y₁ ) = (- 4, 9) and (x₂, y₂ ) = (3, 5)
m = 
= 
= -
Answer:
Answer: 60.
Step-by-step explanation:
30 percent (calculated percentage %) of what number equals 18?
Answer:
63.25 sq. ft
Step-by-step explanation:
the area of fig. =
(½×8×6)+(½×3.14×5²)
= 24 + 39.25
= 63.25 sq. ft
