Answer:
30
Step-by-step explanation:
20 is 2 parts so 20 divided by 2 equals 10. So 10 times 3 is 30
64+52=116
180-116=64
The angle is 64°
48 I think hope this helps
Answer:
a
Step-by-step explanation:
the volume (V) of a sphere is calculated as
V = πr³ ( r is the radius )
here the diameter = 15, then r = 15 ÷ 2 = 7.5 , then
V = π × 7.5³
= π × 421.875
=
≈ 1767 cm³ ( to the nearest cubic cm )
Answer:
heres b i cant answer c cause i dont really understand it sorry Q-Q
Step-by-step explanation:
(b) Dunes Beach
In 15 yr, Dunes Beach builds up from 20 ft to 95 ft.
The rate of buildup is 75 ft/15 yr = 5 ft/yr.