The total number of nickels we have is 15.
Given we have 27 coins, made up of nickels, dimes and quarters.
there total value is $3.30
we have 3 times as many quarters as dimes.
total nickels = ?
let, x = number of dimes
3x = number of quarters
y = number of nickels
then, x ₊ 3x ₊ y = 27
therefore, 4x ₊ y = 27 .. eq(1)
total value of coins in cents = 330
10(x) ₊ 25(3x) ₊ 5(y) = 330
10x ₊ 75x ₊ 5y = 330
85x ₊ 5y = 330
17x ₊ y = 66 ..eq(2)
Subtracting (1) from (2):
13x=39
x=3
So the number of dimes is x=3; the number of quarters is 3x=9; and since the total number of coins is 27, the number of nickels is 15.
hence the total number of nickels is 15.
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Answer:
15
Step-by-step explanation:
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Answer:
Step-by-step explanation:
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Answer:</h2>
<h2>Explanation:</h2>
The easier way to solve this problem is to graph the function using graphing calculator. Here we have the following function:
So this is a cubic function that extends to as x tends to and as x tends to . This is so because the leading coefficient (the coefficient that accompanies ) is positive. Then, this graph will pass through a point in the x-axis which is the value of the only real solution. The graph shows that this value is:
Answer:
do you want probability in fraction, percent, or decimal form?
Step-by-step explanation:
their is one 3 on a regular dice which has 6 numbers
this gives you the fraction 1/6
but since you are rolling the dice twice you would have 1/6 × 1/6 giving you 1/36
if in percent form this would be 2.77777778% or rounded to 3%
and decimal form as 0.0277777778 or rounded to 0.03%