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A word problem at the fair |
2016-10-25 |
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Rick pose la question :
Have 48 tickets to spend, have to spend them all in exactly 10 events.
Rides cost 6 tickets games cost 4 tickets & treats cost 3 tickets
Penny Nom lui répond. |
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The volume of a hexagonal pyramid |
2016-10-21 |
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Elizabeth pose la question :
Find the height of a hexagonal pyramid with a volume of 1320 ft ^3. The area of the base is 120 ft^2.
Penny Nom lui répond. |
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How many marbles does Haley have? |
2016-10-19 |
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Pat pose la question :
Sabrina has 1/4 the marbles as Haley.
They have 305 total. How many marbles does Haley have?
Penny Nom lui répond. |
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A mixed number as a percent |
2016-10-18 |
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Jayda pose la question :
how go you change a mixed number into a percent
Ex. 3 3/4
Penny Nom lui répond. |
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y = mx + c and Ax + By + C = 0 |
2016-10-18 |
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Erick pose la question :
please explain to me how to convert an equation from the form y=mx+c to Ax+By+C=o form.
Penny Nom lui répond. |
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The degree of 2x + 7 |
2016-10-17 |
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Deejay pose la question :
How about when the given has no degree and the other has a constant only, For example 2x + 7,
where's the leading term and what is its leading coefficient?
Penny Nom lui répond. |
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Travelling upstream and downstream |
2016-10-17 |
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Kathleen pose la question :
It took a boat 2 hours to reach town A going upstream. The way back was 1h20 min. What is the speed of the boat in still water if the speed of the stream is 3 mph?
Penny Nom lui répond. |
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A circle formed from bending a wire |
2016-10-16 |
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Deszaree pose la question :
The same piece of a wire is bent to form a circle
calculate:
a, the radius of the circle
b, the area of the circle
Penny Nom lui répond. |
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A probability question concerning eggs |
2016-10-16 |
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Brian pose la question :
Two participants are alternatively selecting eggs from a basket of 6 hard-boiled eggs and 6 uncooked eggs.
Alternatively they are smashing the eggs on their foreheads. One participant gets 4 hard boiled eggs in a row and the other person gets 4 uncooked eggs in a row.
What is the probability of this occurring (I watched this happen).
Thank you
Brian
Penny Nom lui répond. |
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A linear relationship |
2016-10-16 |
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Bianca pose la question :
x represents the number of hours since 8am. y represents the number of children the school nurse has seen during the school day. The nurse has seen 3 children by 8am and 27 children by noon.
How many children has the nurse seen at 2pm?
If the nurse has seen 18 children, what time is it?
Penny Nom lui répond. |
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An airplane schedule |
2016-10-14 |
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Stephanie pose la question :
Starting at 8:00a.m., a passenger plane leaves from an airport every 6 minutes and a cargo plane leaves every 7 minutes. When is the next time these kinds of planes will leave at the same time?
Penny Nom lui répond. |
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Selina saved $6 on a 20% off sale |
2016-10-14 |
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Myra pose la question :
I don't know how to help my child answer this question - Selina bought a shirt on sale that was 20% less than the original price. The original price was $6 more than the sale price. What was the original price?
Penny Nom lui répond. |
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A five digit number |
2016-10-12 |
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Massa pose la question :
Explain why any four digit number is less than any five digit number?
Penny Nom lui répond. |
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Subtraction of two numbers in different bases |
2016-10-07 |
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Wica pose la question :
Hello,
So happy I found this site. I am having problems with bases. My question is :
Please perform the subtraction between two number over different bases :
A. (5874)base 12 - (216)base 9
B. (216)base 9 - (5874)base 12
Penny Nom lui répond. |
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How far is the boat from the harbour? |
2016-10-06 |
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Karabo pose la question :
a boat sails 30 km due east from a harbour. Then it sails 40 km due north. How far is it from the harbour?
Penny Nom lui répond. |
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