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Find the nth term |
2006-09-13 |
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From Shakira:
my question is - Find an expression for the nth term of each sequence.
a. 6,15, 28, 45, 66
b, 1/5, 3/8, 5/13, 7/20, 6/29 - these are fractions
Answered by Penny Nom. |
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A remainder of 1 |
2006-09-13 |
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From Juan:
What is the smallest counting number which when divided by any of the numbers 2,3,4,5,6,,7,8,9 and 10, leaves a remainder of 1?
Answered by Paul Betts and Claude Tardif. |
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What is the equation? |
2006-09-13 |
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From A parent:
HERE ARE THE COORDINATED (0,-3), (1,0), (2,3),(3,6)
WHAT IS THE EQUATION?
Answered by Penny Nom. |
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-5, 3, -2, 1, -1, 0, __, __ |
2006-09-12 |
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From Sherrie:
next two terms in the sequence:
-5, 3, -2, 1, -1, 0, __, __
Answered by Stephen La Rocque. |
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10,000 Million sandwiches |
2006-09-12 |
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From A business person:
One of our customers said that the UK sells "10,000 Million" sandwiches annually in their take away restaurants...
How many is this exactly?
Answered by Stephen La Rocque. |
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How many different three-digit numbers can you make using ... |
2006-09-12 |
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From Beth:
How many different three-digit numbers can you make using the numbers 2, 5, 7, 8 using the digits any number of times?
Answered by Stephen La Rocque and Penny Nom. |
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Two characters |
2006-09-12 |
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From Robert:
I am looking to find out how many possible unique combinations I can have if at any time i can use only two characters of numbers or the alphabet...For ex., i can have 1-99 or i can have a1, a2, z1, z2 ... or i can have aa, ab, ac... i came up with possible combinations of 1295 or so... can you help?
Answered by Penny. |
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The volume of a triangular box |
2006-09-12 |
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From Irene:
How do I find the volume of a triangular box?
Answered by Penny Nom. |
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How do you get 15 square units to make a perimeter 16 units? |
2006-09-12 |
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From A student:
How do you get 15 square units to make a perimeter 16 units?
Answered by Stephen La Rocque and Penny Nom. |
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Square roots in a binomial expansion |
2006-09-11 |
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From Sydney:
(√x + 5)4 expanded using the binomial theorem
Answered by Penny Nom. |
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A square palindrome |
2006-09-11 |
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From Liz:
What is the least three-digit palindrome that is a square number?
Answered by Stephen La Rocque. |
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Four 4's |
2006-09-10 |
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From Ying:
How can I use 4 four times, use any mathematical signs, such as +, -, times, division, ( ), !, square root to get answer 33, 41, or 45?
Answered by Stephen La Rocque. |
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The area of a rhombus |
2006-09-10 |
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From Lillian:
In a rhombus, each side is 14 in. long. Two of the sides form a 60 degree angle. Find the area of the rhombus. Round your answer to the nearest square inch.
Answered by Stephen La Rocque. |
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How do i factor x^3 - 6x^2 + 8x |
2006-09-10 |
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From Lauren:
how do i factor
x3 - 6x2 + 8x
Answered by Stephen La Rocque. |
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What was the total cost of the dinners he served |
2006-09-10 |
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From Connie:
Walter is a waiter at the town diner. He earns a daily wage of $100 plus tips that equal to .15 of the total cost of the dinners he serves. What was the total cost of the dinners he served if he earned $170 on Tuesday?
Answered by Stephen La Rocque. |
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