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A four digit number |
2009-02-12 |
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From alex: the number of tens plus the number of hundreds equals the number of thousands.
the number of ones is half the number of tens and one more than the number of hundreds the hundreds digit is 2. what is this four digit number Answered by Penny Nom. |
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6^x = y |
2009-02-12 |
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From Jamie: Find x:
6^x=y Answered by Harley Weston. |
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Forming an arc with 2 inch steel |
2009-02-11 |
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From Craige: I need to calculate the bending radius of 2" wide steel to achieve given inside and outside arc lengths Answered by Harley Weston. |
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A semi circular room |
2009-02-11 |
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From Taylor: being 450pi (the area of a semi circle)
how much money would it cost to lay carpet at $2.57 per foot???
if the area of a semi circular room is 450 pi ft
then what is the volume being that the diameter is 60 feet
and the ceiling is 16 feet tall Answered by Robert Dawson and Penny Nom. |
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Cubic feet gas to grams of gas |
2009-02-11 |
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From tim: I was trying to convert cubic feet gas to grams of gas. Is there a formula to complete this task? Answered by Robert Dawson. |
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What percent is 314.70 of 693.20? |
2009-02-11 |
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From steph: what percent is 314.70 of 693.20 Answered by Penny Nom. |
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Solid figures |
2009-02-10 |
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From Rebecca: I need to know the names of solid figures. I have several pictures that I need to answer what type they are.
Thanks, Rebecca 3rd grade Answered by Penny Nom. |
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A sphere in a cone |
2009-02-10 |
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From Shubham: An upturned conical vessel of radius 6cm and height 8cm is completely
filled with water. A sphere is lowered in the conical vessel filled with
water and the size of sphere is such that it just touches the sides of
cone and is just immersed. What fraction of water overflows? Answered by Harley Weston. |
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Rates |
2009-02-10 |
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From Jennifer: write each phrase in simplest form
30oz in 24 gl
48leaves on 9 plants Answered by Harley Weston. |
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The page numbers in a book |
2009-02-10 |
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From Nichole: It takes 852 digits to number the pages of a book consecutively. How many pages are there? Answered by Penny Nom. |
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Evaluating numeric expressions |
2009-02-10 |
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From Jennifer: -521-(-350)-164-(-299) Answered by Penny Nom. |
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Solving an equality |
2009-02-10 |
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From Deborah: 2(v+10)<18 Answered by Penny Nom. |
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A goat in a square paddock |
2009-02-10 |
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From lachlan: A farmer uses a rope to tether a goat to a pole at the corner of a square paddock. The length of one side of the square is 24m.
a) If the length of the rope is 12m,what % of the paddock can the goat reach? is the answer 19.62 %?
b) If the farmer wants the goat to be able to graze exactly half the area of the paddock, what length must the rope be? Answered by Penny Nom. |
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The variance |
2009-02-09 |
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From Ashley: what is the varinace of these scoress 53,67,43,54,58,54,47,35,45,56,45,47,54 Answered by Harley Weston. |
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Dividing the digits 1 - 9 into two groups |
2009-02-09 |
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From donna: using the numbers 1 to 9 can you arrange these into 2 groups, both of which have the same total, and no you cant turn the 6 upside down Answered by Penny Nom. |
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