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The slope of the line y=-2x+5 |
2013-12-29 |
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From victoria:
what is the slope of the line with the equation y=-2x+5
Answered by Penny Nom. |
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Distance from a point to a line |
2013-12-28 |
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From Sue:
I need to find the distances from the west line on 1st Take Point and 2nd
Take Point.
Thanks,
Sue
Answered by Penny Nom. |
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ug/l and ppb |
2013-12-27 |
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From Wally:
convert 40.5 ug/l to ppb?
Answered by Penny Nom. |
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A linear equation |
2013-12-26 |
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From khushboo:
A farmer sowed wheat and paddy in two fields of total area 5000 sq.m. Write a linear equation and draw a graph to represent the same?
Answered by Penny Nom. |
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An infinite geometric series |
2013-12-24 |
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From Muhammad:
The sum of an infinite geometric series is 15 and the sum of their squares is 45. Find the series
Answered by Penny Nom. |
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The area of a quadrilateral |
2013-12-21 |
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From khushboo:
Find the area of quadrilateral pqrs in which
angle QPS=90°,PQ=12cm, PS=9cm, QR=8cm and SR=17cm.
(Hint: PQRS has two parts)
Answered by Penny Nom. |
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A 4 digit number |
2013-12-20 |
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From swathi:
How many 4 digit numbers can be formed using the digit 3 only once but the digit 3 must be used in all numbers?
Answered by Penny Nom. |
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A pattern for a truncated cone |
2013-12-20 |
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From Josh:
I need to know how to layout a truncated cone with a base diameter of 18" a top
Diameter 15.25 and a height of 20". Your help will be greatly appreciated.
Answered by Penny Nom with a spreadsheet by Don. |
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Find the next 3 terms of the sequence |
2013-12-19 |
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From Lanelyn:
Find the next 3 terms of the sequence 2,3,9,23,48,87,__,__,__
Answered by Robert Dawson. |
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Analytic Geometry |
2013-12-18 |
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From fRitz:
if (x,4) is equidistant from (5,-2) and (3,4), find x.
Answered by Penny Nom. |
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Schedule for a 4 team basketball league |
2013-12-08 |
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From Sommer:
I need a schedule for my kids basketball league. There are 4 teams.
We will play every Saturday for 4 weeks with 4 games per Saturday.
Week 5 will be the playoffs where 1st will play 4th and 2nd will play 3rd.
Week 6 will be winners of week 5. Please help!!
Answered by Victoria West. |
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A circle insubscribed in an isosceles trapezoid |
2013-12-08 |
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From Bob:
A circle is insubscribed in an isosceles trapezoid, with
parallel lengths of 8cm and 18cm.
What is the lengths of sloping edges and why?
Answered by Robert Dawson. |
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Can 100r^2-81z^2 be factored? |
2013-12-08 |
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From Rosa:
Can 100r^2-81z^2 be factored?
Answered by Penny Nom. |
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7 digit phone numbers |
2013-12-08 |
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From Sean:
Hi I was wondering how you would calculate how may 7 digit phone numbers there are with only odd digits?
Answered by Penny Nom. |
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A word problem |
2013-12-08 |
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From Malissa:
I am attempting to help my son with his math word problem, please help thank you .
Kylie and Ethan kept scrapbooks of their grandfather's stories from world war II. Kylie has 6 more than half the number of pages Ethan has. If Kylie has 21 pages in her scrapbook, how many pages are in Ethan's scrapbook?
Answered by Penny Nom. |
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