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-BARSIC- [3]
3 years ago
11

I need help with my math

Mathematics
1 answer:
natta225 [31]3 years ago
3 0

Hello There!

Your answer is In Image Provided.

I have also included steps I made for a question I answered similar to this.

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A bus driver pays all tolls, using only nickels and dimes, by throwing one coin at a time into the mechanical toll collector.
lutik1710 [3]

Answer: a) An = An-1 + An-2

b) 55ways

Step-by-step explanation:

a) a nickel is 5 cents and a dime is 10cent so a multiple of 5 cents is the possible way to pay the tolls in both choices.

Let An represents the number of possible ways the driver can pay a toll of 5n cents, so that

An = 5n cents

Case 1: Using a nickel for payment which is 5 cents, the number of ways given as;

An-1 = 5( n-1)

Case 2: using a dime which is two 5 cents, the number of ways is given as;

An-2 = 5(n-2)

Summing up the number of ways, we have

An = An-1 + An-2

From the relation,

If n= 0, Ao= 1

n =1, A1= 1

b) 45 cents paid in multiples of 5cents will give us 9 ways(A9)

From the relation, we have that

Ao = 1

A1 = 1

An =An-1 + An-2

Ao = 1

A1 = 1

A2 = A1+Ao = 1+1= 2

A3 = A2 + A1 = 3

A4 = A3+A2=5

A5=A4+A3=8

A6=A5+A4=13

A7 =A6+A5 = 21

A8= A7+A6= 34

A9= A8+A7= 55

So there are 55ways to pay 45cents.

4 0
3 years ago
Can u tell exolain this to me in 5 sentences
maks197457 [2]
A late assignment is very much like a late payment on a credit card bill. If you lose 10 points for every day that an assignment is late and you have to pay a fee for however many days you forgot to pay the bill, (you are losing money for having to pay an extra fee). If you start the habits of turning in assignments in late.  Those habits will be carried with you into adulthood and you will owe a sum of money since you have failed to pay a bill on time. You will lose points for late work and you will lose money for late bills.

8 0
3 years ago
What is the value of x and y?
kramer
Angles in a triangle add up to 180 degrees.

All angles in an equilateral triangle have equal values

Both angle x and y equal 60 degrees.
4 0
3 years ago
How do you find out the percentage of 55% of 140
qwelly [4]
I just found 10% of it, which is 14, then found 5% of it through the previous work, which is 7

then i multiplied 7 by 11, because 55/5 is 11, so 55% of 140 is 77
6 0
3 years ago
Read 2 more answers
What is the volume of this?
ankoles [38]

The volume of a sphere = 4πr^3/3<span>

The volume of a half of sphere =  2</span>πr^3/3 = 2 π (27)/3 = 18π<span>

</span>The volume of a cone= π r^2 h/3 = π (9)(8)/ 3 = 24 π

Total volume = 18 π + 24π = 42π = 42 x 3.14 = 131.9 cm^3

7 0
3 years ago
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