Answer:
Scientists can tell by observing the seismic waves that are recorded all over the surface of the earth from distant earthquakes. The seismic waves are reflected (bounced off) layers of different density, and they are refracted (bent) when they enter layers of different density.
310 - 220 = 90
90/310 = x/100 (cross multiplication)
9000 = 310x
9000/310 = x
x = around 29%
Answer: 1 quart = 4 cups or 2 pints
Answer:
Step-by-step explanation:
hello :
the area is 4 7/20m × 6 2/3 m = ....... continu
the perimeter is : (4 7/20m + 6 2/3 m)×2 .........
10,15 in the simplest form is 2,3