Answer:
12
Step-by-step explanation:
let x be the broken ht. then hypotenuse will be 18-x.
sin 30 = x/(18-x)
1/2 = x/(18-x)
18-x = 2x
3x = 18
x = 6
18-6 is the ht of broken part which is 12
Answer:
B.
Step-by-step explanation:
The cottage inside the pen is a shape of a cylinder.
0.065 as 0 doesn't count as a significant number
Answer:
Factor by grouping. (3r + 5)(r-3)
Step-by-step explanation:
Answer:
The answer is J. 20 substitute it in and it works.