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How many guests were present? |
2017-09-17 |
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From SM:
How many guests were present at an Italian dinner if every 2 guests shared a bowl of salad, every 3 guests shared a bowl of pasta, and every four guests shared a bowl of meatballs, and there were 65 bowls used altogether?
Answered by Penny Nom. |
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Peanuts in 5 bags |
2017-09-17 |
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From Maria:
There are a total of 270 peanuts divided up into five different bags. The first two bags contain 174 peanuts between the two of them. The second and third bags contain 130 peanuts between the two of them. The third and fourth bags contain 86 peanuts between the two of them. The fourth and fifth bags contain 42 peanuts between the two of them. How many peanuts are in each bag?
Answered by Penny Nom. |
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An equilateral triangle inscribed in a circle |
2017-09-15 |
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From sumit:
what is the area (in sq. unit) of an equilateral triangle inscribed in the circle x^2+y^2-4x-6y-23=0.
Answered by Penny Nom. |
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Complementary angles |
2017-09-15 |
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From SM:
The measure of angle A is 60 degrees more than its complement. Find the measure of angle A.
Answered by Penny Nom. |
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Average price |
2017-09-15 |
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From Annette:
If I sold a widget at $15.50 17.5% of the time and $16.50 88.5% of the time what is the algebraic expression for that. How do I arrive at an average price
Answered by Penny Nom. |
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An impossible problem |
2017-09-15 |
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From Fay:
Given math homework problem of: Gary and Larry given 2 numbers and told to add together. Gary subtracted and got 14. Larry multiplied and got 799. I tried substitution:
X-Y=14 and X x Y=799
X= Y+14
(Y+14) Y=799 and here I'm stuck at Y squared+14 Y= 799
using substitution I got 47x17=799 but not 14b when subtracted. HELP?????
Answered by Penny Nom. |
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The angle between two planes |
2017-09-12 |
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From Arthi:
Hello. hope you are having a good day.
I am stuck on a maths question in which it is asking, how to find the angle between two given planes. These planes are in a 3D shape such as a prism.
How can I do this?
Please reply as soon as possible
Thank You
Answered by Penny Nom. |
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Quadrilateral ABCD is inscribed in a circle |
2017-09-11 |
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From Joie:
Quadrilateral ABCD is inscribed in a circle such that side DA is the diameter. AB=2m., BC=4m., CD=6m., angle BAD=75.93degrees. Find the area of the quadrilateral.
Answered by Penny Nom. |
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A pool with a dome |
2017-09-11 |
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From Bruce:
A round 24 foot pool. A dome 3 feet above pool in center. How many feet across is the dome touching top rail straight across of pool?
Answered by Penny Nom. |
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Simultaneous equations with fractions |
2017-09-09 |
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From Farah:
Hi, my name is Farah. I hope you can help me with this question . X/2 + g/5= 3 and 2g - f = 10
Answered by Penny Nom. |
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The volume of an attic |
2017-09-07 |
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From paul:
trying to determine volume of an attic base is rectangular 29 ft by 37 ft
peak runs parallel to longest base side and is 7 ft long
roof lines run from each end of the peak to the respective corners
the peak is 3.5 ft above the base
(so seen from above there are 5 visible lines: the peak and 1 line to each of the 4 corners)
Answered by Harley. |
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Simultaneous equations |
2017-09-02 |
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From keto:
x-y=2,x^2+xy=12
Answered by Penny Nom. |
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Prisms |
2017-09-01 |
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From Christa:
What do all prisms have in common?
Answered by Penny Nom. |
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Annual salary |
2017-09-01 |
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From Lisa:
I am applying for a job that pays $16.00 per hour, plus 5 hours of overtime every 2 weeks. I live in California, where overtime is 1.5 times the regular rate of pay after you work 8 hours a day. What would the gross annual salary be with all the overtime hours added in?
Answered by Penny Nom. |
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A rope formed in a semicircle |
2017-08-29 |
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From Janna:
How do I find the total length of a piece of rope formed in a semicircle that has a diameter of 8 inches?
Answered by Penny Nom. |
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