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Converting grams to milliliters |
2009-01-04 |
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From Faiza: I was looking for how to convert grams into mL and I read on this site
to convert one to the other you need to know what substance you are measuring.
so if I am measuring sugar or any of the baking ingredient like flour how do
I convert them from grams to mL is there a simple method I can use to do that? Answered by Penny Nom. |
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The sum of the roots of a quartic |
2009-01-03 |
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From peter: How do you find the roots of an equation without graphing? like, i have a problem that says what is the sum of the roots of x^4-x^3+5x^2+4=0. Answered by Harley Weston. |
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What is f^-1(3) when f(x)=2x-1? |
2009-01-03 |
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From Peter: how do you do functions like f^-1(3) when f(x)=2x-1? Answered by Penny Nom. |
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Jon's bank account |
2009-01-03 |
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From Abigail: Hi, i have an exam soon (monday =[ )
in my revison book, it shows two peoples bank accounts- and then it says
"write a formula to show the balence of Jon's bank account after n weeks of 2003"
this is the table show
Jon's Bank account
| Weeks |
Week 1 |
Week 2 |
Week 3 |
Week 4 |
Week 5 |
| Balance(£) |
970 |
1035 |
1100 |
1165 |
1230 |
Answered by Penny Nom. |
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The area of a region in the plane |
2009-01-03 |
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From Rogerson: Find the area, S, of the shaded region enclosed by the given cureve, the given line and the x-axis.
y = -x^2 + 1
line x = 2 Answered by Harley Weston. |
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An input output model for third graders |
2009-01-02 |
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From Julie: Need any information on creating an input output model for third graders.
Where do I begin? Answered by Robert Dawson and Harley Weston. |
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System of equations - comparison method |
2009-01-02 |
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From nick: Hi, I am doing a project on system of equations by using comparison method,
but for some reason or another, i can't seem to find any information on the
comparison method at all. So, please would you help me by giving me a website
that you know of that has some information on my method. And, if you know the
answer, can you please tell me why or when do we use system of equations by
using comparison method?
Thank You Answered by Robert Dawson. |
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The integral of f(x)dx and the integral of f(x-4)dx |
2009-01-02 |
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From Katie: Calculus:
If the definite integral from -2 to 6 of f(x)dx=10 and the definite integral from 2 to 6 of f(x)dx=3, then the definite integral from 2 to 6 of f(x-4)dx= ?
I don't understand how to solve definite integrals when the function has something more than just x inside the parenthesis such as f(4-x). Answered by Robert Dawson. |
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Compound interest |
2009-01-02 |
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From maninder: at what rate % compound interest per annum will be rs. 640 amount to rs. 774.40 in 2 years. Answered by Penny Nom. |
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The radius of a cone |
2009-01-02 |
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From kalpaj: A conical funnel holds 100ml. If the height of the funnel is 10 cm, determine
its radius, to the nearest tenth of a centimeter. Answered by Penny Nom. |
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Solving an inequality |
2009-01-02 |
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From jarred: 3x+8>2 Answered by Penny Nom. |
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A chord |
2009-01-01 |
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From Deepa: Why in a circle,a chord is called as the longest diameter?
(A chord does not passes through the centre of the circle but a diameter passes through the centre) Answered by Penny Nom. |
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Eric bought 3 sweaters and 1 pair of pants |
2009-01-01 |
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From maya: eric bought 3 sweaters and 1 pair of pants. Each sweater cost d dollars and the pants cost 20 dollars. Eric spent a total of 95 dollars. The equation below can be used to determine the cost of each sweater. what is the answer? Answered by Penny Nom. |
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The volume of a pipe elbow |
2008-12-31 |
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From mhd: how i can find volume of the pipe elbow of 4inches? Answered by Stephen La Rocque. |
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The square root of 164 |
2008-12-31 |
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From Melissa: How do you simplify the square root of 164? Answered by Stephen La Rocque. |
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