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Covering the ceiling of a garage |
2017-02-20 |
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From DeAnna:
I am trying to drape a 15 x 30 garage with yards of fabric. If the yard of fabric is 60 inches wide, would 10 1/4 yards be enough for my space?
Answered by Penny Nom. |
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A total amount of $27,500 invested at 5% and 7% |
2017-02-19 |
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From Brad:
Kristina invests a total of $27,500 in two accounts paying 5% and 7% simple interest, respectively. How much was invested in each account if, after one year, the total interest was $1,645.00.
Answered by Penny Nom. |
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A block base for a plywood rectangle |
2017-02-18 |
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From Joe:
How many cinder blocks 16x8 would i need to build a solid base for a plywood base 54inches wide and 30 inches deep Thank you
Answered by Penny Nom. |
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Addition and subtraction base 5 |
2017-01-29 |
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From BABAWALE:
Simplify 342five +132five-223five
Answered by Penny Nom. |
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Vinculum |
2017-01-27 |
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From Dick:
What is the line or bar over a Roman Numeral called?
Eg. V with the bar over it representing 5,000 .
Answered by Penny Nom. |
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Feet per second to miles per hour |
2017-01-27 |
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From ron:
if a vehicle travels 50 feet in 2.5 seconds what is the speed in mph.
3600 sec in hour /5280 feet in a mile i get .68181818. how do i figure the 2.5
seconds. all the calculators I've used show 34 mph is that correct or am i forgetting the 2.5 second. please help.
Answered by Penny Nom. |
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The volume of a slab |
2017-01-21 |
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From Russell:
Working with a segment of a circle. The O.D. is 3.440" the length of the chord is 3.130 I need information on the volume of the largest area. I would like to know (in thousands of an inch) how tall would the largest area need to be to equal .1143 cubic inches If you need more info I can send it Thanks in advance
Answered by p. |
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Angular speed |
2017-01-21 |
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From Kenzi:
A wheel of radius 14 inches is rotating 45°/sec. What is the linear speed in in/sec and the
angular speed in RPM? (Round your answers to three decimal places)
I already found the linear speed. I got 10.996 in/sec. I don't know how to find the angular
speed.
Answered by Penny Nom. |
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The ratio of students to teachers |
2017-01-20 |
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From Dylan:
The ratio of students to teachers at a school is 19:1. How many students are there in each total number of people?
Answered by Penny Nom. |
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The average rate of change of cot(t) |
2017-01-18 |
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From Brianna:
Hello!
It's been a while since I've taken a math course, and I'm stuck on a problem in my calculus course.
The question is this:
Find the average rate of change of the function over the given interval.
h(t)=cot(t) a) [5pi/4, 7pi/4]
Answered by Penny Nom. |
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Five equations |
2017-01-16 |
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From Muhammed:
A x 4 = E
B ÷ 4 = E
C + 4 = E
D - 4 = E
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& A + B + C + D = 100
what is the value of E
Answered by Penny Nom. |
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Form the quadratic equation which has given roots |
2017-01-16 |
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From Tharshini:
Given a and B are the roots of the quadratic equation x^2+4x+7=0. Form the quadratic equation which has the roots
3a-1 and 3B-1
Answered by Penny Nom. |
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One millionth of one percent of 90,000,000,000 |
2017-01-16 |
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From Gene:
What absolute number is one millionth of one percent of 90,000,000,000
Answered by Penny Nom. |
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How do I establish the original List Price? |
2017-01-15 |
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From Bob:
(1) I have a net price item at $4,664.66 but do not have the discount percentage. I have been told I received 40%? How do I establish the original List Price and to confirm what discount I received?
Answered by Penny Nom. |
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A circle inscribed in an isosceles triangle |
2017-01-14 |
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From Sal:
There is a right isosceles triangle. Inscribed inside of it, is the largest possible circle.
Ho do you find the value of the radius?
I want to find out a way of only using the rules/laws of geometry, or is that not possible.
Answered by Penny Nom. |
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