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Combien d'heures et de minutes |
2007-05-30 |
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From masson:
pouvez vous m'aider pour resoudre ce probleme car je suis perdue
combien d'heures et de minutes dormez vous si vous vous couchez a 22h15 et si vous vous levez a 6h57?
car en suivant le raisonnement de la soustraction d'heure je trouve 15h12 et je trouve cela pas logique merci d'avance de votre aide
Answered by Claude Tardif. |
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What is the highest known numerical value? |
2007-05-29 |
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From Peg:
What is the highest known numerical value?
Answered by Gabriel Potter. |
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A bag of concrete |
2007-05-29 |
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From rick:
I have a bag of concrete that will cover .525 cubic feet of space.
How many square feet will the same bag cover?
Answered by Penny Nom. |
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Water tank volume |
2007-05-29 |
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From Cecelia:
I HAVE A SEMI CIRCULAR TANK AGAINST A WALL MEASURING 6'10" ACROSS THE WIDEST PART AND 3' FROM THE WALL TO THE FRONT OF THE TANK. THE DEPTH IS 14". PLEASE HELP ME TO CALCULATE THE VOLUME OF WATER IN THE TANK.
Answered by Stephen La Rocque. |
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Factor Completely |
2007-05-29 |
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From Ema:
Question 1:
Factor completely.
3x(x – 4) + 5(x – 4)
Question 2:
Factor completely.
x^2 + 2x + 3
Answered by Penny Nom. |
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Fractions, decimals and profit |
2007-05-29 |
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From fatima:
how can i change a fraction into a decimal and how do i change a
decimal into a fraction................
anther question please what does making a profit have
to do with percentage change!!!!!!
Answered by Penny Nom. |
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Volumes of cones and cylinders |
2007-05-29 |
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From George:
1. The volume of a cylinder is 1353cm3
A) What is the volume of a cone with the same radius as the cylinder
but double the hieght of cylinder?
B) What is the volume of a cone with the same height as the cylinder
but with three times its radius?
Answered by Steve La Rocque and Walter Whiteley. |
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y=mx+b |
2007-05-29 |
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From molly:
Im having a problem with the y=mx+b for our homework we have a table that goes from 0 to 6 , 1 to 7 and 2 to 8 and we have to make a equation of that. Please help.
Answered by Penny Nom. |
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x/2+3=2 |
2007-05-28 |
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From Ethel:
what is the formula and the answer to x/2+3=2?
Answered by Penny Nom. |
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$450.00 six years at 7 percent |
2007-05-28 |
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From Donna:
The future value of 450.00 six years from now at 7 percent
Answered by Penny Nom. |
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A scale factor |
2007-05-28 |
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From Chandler:
I am rather confused about finding the area of a triangle they give me the area of the larger triangle it is 25 units but I can't figure out how to find the area of the smaller triangle the scale is 3:5 please help me ASAP. Thanks so much I really appreciate it oh the triangles are similar
Answered by Stephen La Rocque and Penny Nom. |
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The attendance at football games |
2007-05-28 |
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From cookie:
The attendance at football games at a certain stadium is normally distributed, with a mean of 55,000 and a standard deviation of 4,500.
a) What is the probability of the attendance exceeding 60,000?
b) What is the probability of the attendance being between 45,000 and 50,000?
Answered by Penny Nom. |
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The distance between parallel lines |
2007-05-28 |
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From Kristie:
I can't figure out how to determine the distance between parallel lines I am taking
linear algebra and vector geometry. I was given two lines in the form #x+#y =#
told they were parallel and asked to find the distance between them??
Please help
Thanks
Answered by Penny Nom. |
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The limit of a rational function |
2007-05-28 |
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From Imad:
3 _______ 3 _______
lim \/ 1 + x - \/ 1 - x
x->0 ---- ----------------------------
x
Answered by Penny Nom. |
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A point on a semicircle |
2007-05-28 |
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From arun:
a semi circle is drawn with ab as diameter from p a point on ab a line perpendicular to ab is drawn meeting circumference of semi circle at c, ac = 2cm, cd = 6cm find area of the semi circle?
Answered by Penny Nom. |
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