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The volume of a frustum |
2019-06-24 |
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From Abdulganiy: A right pyramid on a base 10cm square is 15m high
a)find the volume of the pyramid
b)if the top 6m of the pyramid is removed what is the volume of the remaining frustum? Answered by Penny Nom. |
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How many cubes are in a 3x3x3 cube? |
2019-06-24 |
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From Darren: Dear Sir/Madam,
How many cubes of different sizes (eg. 1x1x1, 2x2x2, 3x3x3) are there in total in say,
a 3x3x3 cube? I have trouble figuring this out.
Yours faithfully,
Darren Answered by Penny Nom. |
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The area of a patio |
2019-06-23 |
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From Miguel: Stephanie has 60 feet of metal fencing material to only fence 3
sides of a rectangular patio. A tall metal wall serves as the fourth side
of the rectangle. write a function for the area the garden (A) in terms
of width in feet (x) What measures of the width would give an area of
at least 150 feet? Answered by Penny Nom. |
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The area of a triangle in acres |
2019-06-23 |
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From Karen: if I have a triangle that measures 78 ft x 54 ft x 50 ft, how do I figure out what part of an acre that is?? Answered by Harley Weston. |
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What are the next three terms? |
2019-06-18 |
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From Shriya: -6, -2 , 2, 6,10 what are the next three terms? Answered by Penny Nom. |
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A tube through a board at 45 degrees |
2019-06-15 |
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From Guy: I need to insert a tube 5/8" diameter into a board at a 45 degree angle. What size hole must I drill for the tube to fit snugly? Answered by Harley Weston. |
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The perimeter of 200 acres |
2019-06-14 |
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From AARON: How many feet is the perimeter of 200 acres? Answered by Penny Nom. |
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Yards, feet and gallons |
2019-06-12 |
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From Ralph: How many gallons of water in a 10 yard by 10 yard container 2 1/2 feet deep? Answered by Penny Nom. |
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150 litres has been drawn from a tank |
2019-06-12 |
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From Eke: When 150 litres has been drawn from a tank, it is 3/8 full, how many litres will the tank hold? Answered by Penny Nom. |
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Conversions, feet, kilometers and acres |
2019-06-10 |
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From Erika: A lake has 113 feet deep and an area of 115 acres, what is the volume of the lake in cubic kilometer? Answered by Harley Weston. |
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Finite and infinite sets |
2019-06-10 |
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From Pretzie: What is Finite Set & Infinite Set? Answered by Penny Nom. |
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Two power generators |
2019-06-07 |
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From A student: At 100% efficiency two generators would produce 750 MW of power. At efficiencies of 65% and 75%, they produce 530 MW. At 100% efficiency, what power would each produce? Answered by Harley Weston. |
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A car drives over a cliff |
2019-06-06 |
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From Victor: A car was going 90 mph towards 90foot drop. What would the distance would the car travel horizontally ,from the cliff edge? Answered by Penny Nom. |
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An inline lock with four rows |
2019-06-05 |
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From Edward: I have a inline lock with four rows of numbers 0-9.The numbers cannot be repeated.
Can you please print the possible codes so I can go through them one at a time. The
lock and the cable cost $300. Don't want to pitch it. You guys are lifesavers, can't
wait to hear back. Thanks. Answered by Penny Nom. |
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3 digits from 7 digits |
2019-06-02 |
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From Corban: HOW MANY COMBINATION ARE THERE USING 3 DIGITS NUMBERS ONLY 1-7
ie 137 731 317 456 654 123 321 248 Answered by Penny Nom. |
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