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A circle problem |
2018-03-30 |
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From ahamed:
the diameters of a circle AB and CD intersect each other at O perpendicularly. Then a chord DF is drawn. AB and DF intersect at E. DE=6cn and EF=2cm.find the area of thw circle
Answered by Penny Nom. |
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The volume of a tent with a hexagonal base |
2018-03-27 |
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From shohel:
A tent has its base in the shape of a regular hexagon whose sides are 10m . If the height of the tent is 12m , then find its volume.
Answered by Penny Nom. |
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Base 6 to base 4 |
2018-03-25 |
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From Malik:
Hi Sir..!
I just want to know the proper example with a brief explanation of conversion of base 6 into base 4.
kindly reply me as soon as possible..
Thank you
Answered by Penny Nom. |
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The mean and median |
2018-03-24 |
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From Myrte:
Is the median always smaller then the mean?
Answered by Penny Nom. |
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Distance between a chord and its arc on a circle |
2018-03-23 |
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From Doug:
Specifically, what is the subject distance for the Earth orbiting for 27 days. Assume the orbit of the Earth to be a circle have a 93 million mile radius. Assume the angle of arc to be (27/365) x 360 degrees. Thank you.
Answered by Penny Nom. |
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A circle and two chords |
2018-03-21 |
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From Ella:
In a circle, a 30 unit chord is 5 units closer to the center than a 20 unit chord. Find the radius.
Answered by Penny Nom. |
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Interest for 3 years |
2018-03-21 |
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From Mary:
How much interest do you pay if the charges 0.12% over 3 years loan $4999
Answered by Penny Nom. |
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Walking a fraction of a mile |
2018-03-20 |
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From Jamie:
Who walked a fraction of a mile that is closer to neither 0 nor 1 ? Explain
Avery 1/6
me.Nunez 5/6
Ms. Chang 1/3
Mr. O’Leary 4/8
Miss Lee 4/6
Answered by penny Nom. |
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Two regular pentagons |
2018-03-19 |
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From Kip:
The ratio of the corresponding apothems of two similar regular pentagons is 5:7 What is the ratio of their areas?
Answered by Penny Nom. |
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A circle of circumference 4*pi*r |
2018-03-19 |
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From Ankith:
If the circumference of a circle is 4*pi*r, what is its area?
i) 4*pi*r^2
ii) 2*pi*r^2
iii)3*pi*r^2
iv) pi*r^2
Answered by Penny Nom. |
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A penny is thrown from the top of a building |
2018-03-16 |
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From Zoraida:
A penny is thrown from the top of a 26.7-meter building and hits the ground 3.39 seconds after it was thrown. The penny reached its maximum height above the ground 0.89 seconds after it was thrown.
a. Define a quadratic function, h, that expresses the height of the penny above the ground (measured in meters) as a function of the number of seconds elapsed since the penny was thrown, t.
b. What is the maximum height of the penny above the ground?
Answered by Penny Nom. |
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1/4 acre of land |
2018-03-15 |
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From Jean:
I have 1/4 acre of land.it is square.what should the measurement be for each side be in feet
Answered by Penny Nom. |
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Solve when the variable is in the exponent |
2018-03-15 |
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From Dan:
50 x 2^n = 1,000,000
2^n = 20,000
what does n equal?
Answered by Penny Nom. |
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The volume of a cube |
2018-03-15 |
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From Eli:
An outdoor art display is a metal cube with edge length 39 feet. What is the volume of the cube in cubic feet? In cubic yards
Answered by Penny Nom. |
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An equilateral triangle inscribed in a circle |
2018-03-15 |
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From Olatundun:
An Equilateral Triangle Of Side 20cm Is Inscribed In A Circle.Calculate The Distance Of A Side Of The Triangle From the Centre Of The Circle.
Answered by Penny Nom. |
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