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A collection of 30 coins worth 5.50 consists of nickels dimes and quarters there are twice as many dimes as nickeles how many quarters are there?
Let the number of nickels, dimes and quarters be n, d, q respectively. Then n +d + q = 30 5n + 10d + 25q = 550 But d = 2n, so: n + 2n + q = 30 => 3n + q = 30 5n + 10(2n) + 25q = 550 => 25n + 25q = 550 => n + q = 22 Which gives two simultaneous equations to solve, resulting in: n = 4, q = 18 So there are 18 quarters (plus 4 nickels and 8 dimes).
What is a number n where if the sum of the digits of the number is divisible by n, then the number itself is divisible by n?
(The assumes that "the number" in the question is not n, although if they are they same number, this is still true.) "If the sum of the digits of the number is divisible by n, then the number itself is divisible by n" is true if n is 3 or if n is 9.
What is a squed number?
A square number is a number which can be expressed as n x n where n are integers.
If my number is n then n x n x n x n equals 625 what is my number?
n = 5
What is the measure of each interior angle of a regular polygon that has a total sum of 275 diagonals showing work with answer?
Let the number of sides be n and so:- If: 0.5*(n^2 -3n) = 275 Then: n^2 -3n -550 = 0 Solving the above quadratic equation: n has positive value of 25 Each interior angle: (25-2)*180/25 = 165.6 degrees
A collection of 30 coins worth 5.50 consists of nickels dimes and quarters there are twice as many dimes as nickeles how many quarters are there?
Let the number of nickels, dimes and quarters be n, d, q respectively. Then n +d + q = 30 5n + 10d + 25q = 550 But d = 2n, so: n + 2n + q = 30 => 3n + q = 30 5n + 10(2n) + 25q = 550 => 25n + 25q = 550 => n + q = 22 Which gives two simultaneous equations to solve, resulting in: n = 4, q = 18 So there are 18 quarters (plus 4 nickels and 8 dimes).
What electron transition would must likely require the absorption of energy with the longest wavelengths?
n=1to n=2
What is the quotient of 14 and a number?
14/n where n is the number.14/n where n is the number.14/n where n is the number.14/n where n is the number.
What is a number n where if the sum of the digits of the number is divisible by n, then the number itself is divisible by n?
(The assumes that "the number" in the question is not n, although if they are they same number, this is still true.) "If the sum of the digits of the number is divisible by n, then the number itself is divisible by n" is true if n is 3 or if n is 9.
the sum of -3 and a number?
If n is the number, then it would be n - 3 or n + (-3)
What is a squed number?
A square number is a number which can be expressed as n x n where n are integers.
If my number is n then n x n x n x n equals 625 what is my number?
n = 5
A number n where if the sum of the digits of the number is divisible by n then the number itself is divisible by n?
n = 1, 3 or 9.
How many miles is it from Albuquerque New Mexico to Farmington New Mexico?
US-550 N - 182 miI-40 W and NM-371 N - 213 mi
What is the inequality for -A number n is positive?
A number n is positive: n > 0
What is the measure of each interior angle of a regular polygon that has a total sum of 275 diagonals showing work with answer?
Let the number of sides be n and so:- If: 0.5*(n^2 -3n) = 275 Then: n^2 -3n -550 = 0 Solving the above quadratic equation: n has positive value of 25 Each interior angle: (25-2)*180/25 = 165.6 degrees
Number of diagonals in shapes?
number of diagonals = n(n-3)/2 n - number of sides of the polygon
