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Determine the selling price |
2014-03-08 |
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augustine pose la question : knowing an auctioneer charges a 7% fee and I know I want $74,400 what is the formula to determine selling price. Penny Nom lui répond. |
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The equation of a circle |
2014-03-07 |
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Balraj pose la question : I have to draw a circle x^2+y^2 =8x . please tell me how to understand these coordinates ? please elaborate , on how to understand these types of equations. Penny Nom lui répond. |
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What are the possible lengths of the hypotenuse? |
2014-03-07 |
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audrey pose la question : The three sides of a right angles triangle measure x-2, x+5, and 2x-1 in length.
What are the possible lengths of the hypotenuse?
... I'm doing the equation c2=a2+b2 and subbing in the numbers but nothing makes sense Penny Nom lui répond. |
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Mixing oil and gas |
2014-03-07 |
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Geoff pose la question : What amount of oil would I need to mix on 50-1 basis for a-4litre tank (13.57ozs) capacity tank. Thank you Penny Nom lui répond. |
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29% as a fraction |
2014-03-07 |
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kylie pose la question : 29% into a fraction or mixed number Penny Nom lui répond. |
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The inverse of y = 5^x |
2014-03-07 |
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Melody pose la question : how do you find the inverse of y = 5^x Penny Nom lui répond. |
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Parallel chords |
2014-03-06 |
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Raj pose la question : AB andCD are two chords which are in the same side of the circle.The length of AB=12 and CD= 24.if the distance between them is 4 then find their radius. Pls help me I just believe on you guys I am having my exam after 3 days p lui répond. |
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A circle graph |
2014-03-06 |
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Caitlyn pose la question : I need to find the measure of the central angle that represents the amount of time spent on each activity.
My question includes a circle graph with the following: Sleep 31%, Other 15%, Entertainment 18%, Errands 7%,
Work 20%, and Food 9%. Penny Nom lui répond. |
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A cone inscribed in a sphere |
2014-02-28 |
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joel pose la question : how can I find the radius and the height of a cone INSCRIBED in a sphere, given the sphere having a radius of 6? ( note: the diameter of the cone is equal to its slanted height). Penny Nom lui répond. |
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Four digit phone numbers |
2014-02-25 |
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Tom pose la question : Hi, I'm an online math teacher, working on lessons for my students.
This question is in their book and I can't do it...! Help!
It has to do with phone numbers, and in this problem,
we are only dealing with
the last 4 digits of the number.
It asks how many possible numbers we have
if at least one digit repeats in the last 4 digits of the number. Penny Nom lui répond. |
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A speed word problem |
2014-02-24 |
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kiss pose la question : Hank bicycles 5 km/h slower than Kelly. In the time that it takes Hank to bicycle 42 km, Kelly can bicycle 57 km. How fast does each bicyclist travel? Penny Nom lui répond. |
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A word problem |
2014-02-23 |
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Anh pose la question : The Texas State Legislature is comprised of state senators and state representatives. The sum of the number of senators and representatives is 181. There are 119 more representatives than senators. How many senators and how many representatives make up the Texas Legislature? Penny Nom lui répond. |
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The diameter of the base of a cone |
2014-02-23 |
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elwin pose la question : i have a sector of a circle that has 120 degree and 6 cm length. What will be the diameter of the base of the cone.
and what is the diameter of the angle is changed to 180. Harley Weston lui répond. |
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A word problem with fractions |
2014-02-23 |
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alex pose la question : In a certain fraction the number by n the denominator is greater than the number by3.If 2 is added to both the numerator and denominator ,the fraction is increased by 6/35..Find the fraction. Penny Nom lui répond. |
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x^3+(1/x^3)=18√3 |
2014-02-23 |
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Asiv pose la question : if x^3+(1/x^3)=18√3; then what is the value of x? Penny Nom lui répond. |
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