 |
|
|
|
|
|
|
|
|
How much did each dog weigh? |
2014-09-16 |
|
Fred pose la question :
LJ owned two dogs that weighed a total of 140 pounds. If one dog weighed 10 pounds more than the other, how much did each dog weigh
Penny Nom lui répond. |
|
|
|
|
|
|
A tangent to a curve passing through a point not on the graph |
2014-09-15 |
|
Aquilah pose la question :
For the curve y = x2 + 3x, find the equations of all tangent lines for this graph
that also go through the point (3, 14).
Penny Nom lui répond. |
|
|
|
|
|
|
A six team track schedule |
2014-09-15 |
|
Paul pose la question :
I need to make a six (6) team track schedule. It needs to be five (5) triangular (3 team) meets with each team playing each team twice
Victoria West lui répond. |
|
|
|
|
|
|
Grandpa had an apple tree |
2014-09-14 |
|
Emma pose la question :
Grandpa had an apple tree. On the first day half of the apples plus one fell to the ground. On the second day, half of the remaining apples plus one fell to the ground. On the third day, half of what was left plus one fell to the ground. The tree was left with only one apple now. How many apples did the tree produce originally?
Penny Nom lui répond. |
|
|
|
|
|
|
Two chords in a circle |
2014-09-13 |
|
Carlos pose la question :
Find the length of the radius of a circle in which a
chord of length 6 units is twice as far from the
center as a chord of length 12 units
Penny Nom lui répond. |
|
|
|
|
|
|
The average of 9 numbers is 45 |
2014-09-12 |
|
rizza pose la question :
The average of 9 numbers is 45. If 90 and 88 are added to the set of numbers. What will be the resulting average?
Penny Nom lui répond. |
|
|
|
|
|
|
The average age of a group of 10 students |
2014-09-11 |
|
sujan pose la question :
The average age of a group of 10 students was 20. The average age increased by 2 years when two new students joined the group . What is the average age of the two new students who joined the group?
Robert Dawson and Penny Nom lui répond. |
|
|
|
|
|
|
The perimeter and diagonal of a rectangle |
2014-09-10 |
|
niniha pose la question :
the perimeter of a rectangle is 68cm.if the diagonal is 26, find its dimensions
Penny Nom lui répond. |
|
|
|
|
|
|
Base 6 |
2014-09-10 |
|
Amanda pose la question :
using base 6, what is the next number after 25? 35? 55? and 455?
I need to be able to show the base 6 material.
Penny Nom lui répond. |
|
|
|
|
|
|
35 base 6 |
2014-09-10 |
|
Amanda pose la question :
Sorry I am having trouble understanding base,
35 in base 6 means 3 10's and 5 ones, which is the same ____ in base 10?
Penny Nom lui répond. |
|
|
|
|
|
|
211(base x)=152(base 8) |
2014-09-09 |
|
Vaidehi pose la question :
Find the base value (i.e. x):
211(base x)=152(base 8)
Penny Nom lui répond. |
|
|
|
|
|
|
A second grade word problem |
2014-09-09 |
|
Beth pose la question :
How do I explain to my second grader how to find the answer to the problem:
My tens digit is 8 more than my ones digit. My ones digit can not be zero.
Penny Nom lui répond. |
|
|
|
|
|
|
Problem solving |
2014-09-08 |
|
hubert pose la question :
a car left the house and travelled at an average speed of 60 kph.how many minutes will it take for the car to reach the school which is 8 km away from the house
Penny Nom lui répond. |
|
|
|
|
|
|
A secret number |
2014-09-08 |
|
jai pose la question :
it is smaller than half of 100, it is more than 4 tens and less than 5 tens, the tens digit is two more than the ones digit , together the digits have a sum of 6..... What is my secret number?
Penny Nom lui répond. |
|
|
|
|
|
|
The diagonals of a cube |
2014-09-04 |
|
Rukshanth pose la question :
How many diagonals does a cube have?
Harley Weston lui répond. |
|
|
