Rectangle PQRS is inscribed in rectangle ABCD, as shown. If DR=3, RP=13, and PA=8, compute the area of rectangle ABCD.

http://www.e-zgeometry.com/pow/pictures/34.gif

2007-01-11 10:13:28 · 5 answers · asked by Anonymous in Mathematics

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Chem help please?

tried once and got it wrong . have one more submission. hod do i solve this problem?

Calculate the wavelength, in nanometers, associated with an electron traveling 90.0% of the speed of light.
nm

2007-01-11 10:12:50 · 1 answers · asked by uldisjj 1 in Chemistry

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How do I determine which rate of photosynthesis is slowest?

2007-01-11 10:11:13 · 1 answers · asked by Anonymous in Botany

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20% of what number is 75?

2007-01-11 10:10:10 · 9 answers · asked by Anonymous in Mathematics

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n-8=43? how do I solve this?

what's the opposite and how do i figure it?

2007-01-11 10:08:01 · 6 answers · asked by hawtietawtie_234 1 in Mathematics

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Does anyone know of a website where I can find a list of.....?

Does anyone know of a website where I can find a list of ocean invertebrates?

2007-01-11 10:06:00 · 1 answers · asked by Anonymous in Zoology

1 ⤊

Specifically why do fish need oxygen. Like what do they use the oxygen for?

2007-01-11 10:05:33 · 4 answers · asked by littlemin5 3 in Chemistry

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Integration?

Does anyone know how to derive the formula that states the integral = area under the graph?

2007-01-11 10:03:41 · 3 answers · asked by rwall204 1 in Mathematics

0 ⤊

what is nanotechnology?

2007-01-11 10:03:22 · 2 answers · asked by christi w 1 in Engineering

0 ⤊

would you expect to find article about tigers before or after the reptiles entry in the encyclopedia?

2007-01-11 10:03:00 · 3 answers · asked by Anonymous in Zoology

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Are all equilateral triangles similar? Explain your answer please.?

What is an example of a similarity statement? Write one, if possible.

2007-01-11 10:02:13 · 7 answers · asked by maddens_biotch 1 in Mathematics

0 ⤊

Please Help:

A 0.250 M solution of AgNO3 is to be prepared. What mass of AGNO3 do you need in order to prepare 50.0 ML of this solution?

a)2.12g AGNO3
b)4.98g AGNO3
c)6.66g AGNO3
d)9.87g AGNO3
e)12.5g AGNO3

2007-01-11 10:01:51 · 1 answers · asked by Scooter 1 in Chemistry

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Using the Gaus-Seidel iterative scheme?

Using the Gaus-Seidel iterative scheme
calculate the first and second iterative for the solution, based on the intial guess of x= 3, y= 5, z =1.

x - y + 3z = 4

x + 4y - 2z = 9

3x + y + z = 8

Does anyone know how to do this?

2007-01-11 10:01:39 · 1 answers · asked by Ciaran L 1 in Mathematics

7 ⤊

what are square roots in maths and how do we work them out?

what is the square root of a million and how do you get to the answer

2007-01-11 10:01:15 · 8 answers · asked by Anonymous in Mathematics

5 ⤊

Why is 36 a square number?

2007-01-11 09:59:33 · 14 answers · asked by PoppingBubbles<3 5 in Mathematics

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what are the challenges you have had with learning and using algebra concepts?.?

And describe any math anxiety you have and what you think would be helpful techniques to overcome these concerns?. (Am trying to coop with mathmatice)

2007-01-11 09:58:07 · 1 answers · asked by Ifeanyi A 1 in Mathematics

0 ⤊

describe how the human skeleton supports the human body?

2007-01-11 09:57:44 · 5 answers · asked by Anonymous in Biology

0 ⤊

How do you catch a sample?

2007-01-11 09:55:31 · 7 answers · asked by Anonymous in Earth Sciences & Geology

2 ⤊

Ok I really need help with this problem?

ok I have this Geometry problem thats says use the distance formula to decide whether PQ is congruent to QR but they gave me three corrdinates they are P(-4,3) Q (-2,1), R(0,-1)

Now I was pretty sure that there are only two cordinates used when finding the distance between them but I so confused what do I do with the 3rd one HELPPPPP MEE PLEASE

Oh and if you could show me how you did this problem then that would help alot to

2007-01-11 09:54:40 · 4 answers · asked by Sarah S 1 in Mathematics

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