A ratio is the part divided by the whole. Johnny took 3 pieces of pizza when the whole pizza had 8. Johnny has 3/8 (3 out of 8) pieces of pizza, or .375 parts. To find that number, literally divide your part from your whole to get the decimal form.
we know that
The radius of the hydrogen atom is 
The radius of the nucleus is
m
the ratio is equal to

that means the radius of the hydrogen atom is 44,083.33 times the radius of the nucleus
therefore
<u>the answer is</u>
the ratio is equal to 44,083.33
Step-by-step explanation:
y = 5x + 4, x = -1
y = 5(-1) + 4
y = -5 + 4
y = -1
Answer:
Option 'b' i.e. -11/20 is the correct option.
Thus,

Step-by-step explanation:
Given the expression

Determining the difference of the fractions

The Least Common Multiplier of 5, 4 is 20. Thus, adjust the fractions based on the L.C.M.

Apply the fraction rule: 

Add the number: 4-15 = -11

Apply the fraction rule: 

Please check the attached figure, where the pointing-down arrow is representing the correct answer which is -11/20.
Therefore, option 'b' i.e. -11/20 is the correct option.
Thus,

Answer:
7.75 ounces more
Step-by-step explanation:
Hope this helps!
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