Answer:
Step-by-step explanation:
radius of a coin is 12 mm
Diameter of the coin is twice the radius = 2 x 12mm = 24mm
The circumference of the coin= 2πr = 2 x3.14 x 12 = 75.36m
Area of coin = πr²= 3.14 x 12 x12 = 452.16mm²
what is the area of the coin
The answer is 2.95 × 10²³ atoms
Atomic mass is 200.59 g.
So, 1 mole has 200.59 g. Let's calculate how many moles have 98.3 g:
1M : 200.59g = x : 98.3g
x = 98.3 g * 1 M : 200.59 g = 0.49 M
To calculate this, we will use Avogadro's number which is the number of units (atoms, molecules) in 1 mole of substance:
6.023 × 10²³ atoms per 1 mole
<span>How many atoms are in 0.49 mole:
</span>6.023 × 10²³ atoms : 1M = x : 0.49M
x = 6.023 × 10²³ atoms : 1M * 0.49M = 2.95 × 10²³ atoms
<span>Hi,
1 cubic yard = 27 cubit feet
Then we must find the no. of cubic yards ....
for 1 cubic yard = $98
for "x" cubic yard = $58.07
1/x =98/58.07
x = 0.5925
Now we have to convert this in to cubic feet...
1 cubic yard = 27 cubic feet
0.5925 cubic yard = x cubic feet
1/0.5925= 27/x
x = 15 .99
cubic feet
now
width x height x length = 16 cubic feet
w x 8 x (1/3) = 16
w = 48/8
= 6 feet
yep!
there for the width of the yard is approximately 6 feet..
hope this will help ya ! </span>
Answer:
7.5 weeks
Step-by-step explanation:
Divide the amount by the rate to find the time:
(3/4 bag)/(1/10 bag/week) = 30/4 week = 7.5 weeks
