Tracie rides the bus home from school each day. The graph represents her distance from home relative to the number of minutes si
2 answers:
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Answer:
maximum difference of radii =
Step-by-step explanation:
We know that area of circle is given by
For circle with radius 'r' we have
For circle with radius 'R' we have
Now according to given condition we have
Thus maximum difference of radii =
We are given
piggy bank has nickels , dimes and quarters
Let's assume
number of nickels =n
every two nickels there are 3 dimes
so, number of dimes are
every two dimes that are 5 quarters there
so, number of quarters are
so, total number of coins = number of nickels + number of dimes +number of quarters
total number of coins =n+1.5n+3.75
there are 500 coins
so, we get
now, we can solve for n
divide both sides by 6.25
so, we get
number of dimes is 1.5n
number of quarters is 3.75n
so,
Number of nickels =80
Number of dimes =120
Number of quarters =300............Answer