Mathematics (Science & Mathematics) - 4 October 2006

Hi, I have 3 sums, please note this symbol ^ means "to the power of"
1) Express the following in standard form 385
2) Express the following in ordinary decimal form 2.5 x 10^-6.
3) Evaluate, leavig you answer in standard form 1.765 x 10^ -3 - 5.47 X 10^-4

2006-10-04 07:09:00 · 12 answers · asked by Anonymous

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How do I find the inverse of the following notation?

I am having trouble finding the inverse of the function notation:

f(x)=x^2 + 4x - 3

Please help! I tried one way and it didn't work but I dunno what else to do!

2006-10-04 07:07:40 · 4 answers · asked by Anonymous

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2/5 * = –10?

2006-10-04 07:02:40 · 4 answers · asked by brandywine614 1

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Given g(x) = 4x – 4, find g(5a).?

2006-10-04 07:00:08 · 13 answers · asked by brandywine614 1

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argh help! triangle numbers....okay...my numbers are 3m, 9m, and 18m....?

triangle numbers!!! okay...my numbers are 3m, 9m, and 18m, so why have i been told to use m, 2m, 3, 6m and 10m?????
help me pls!!

2006-10-04 06:56:20 · 5 answers · asked by big mama 2

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7d8 * 8d3 =?

2006-10-04 06:55:13 · 3 answers · asked by brandywine614 1

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Maths question...help please?

Hiya, I'm soooooo terrible at maths and I really need help with a question. It's theta, which I know nothing about really.
If sin theta - 2 cos theta = 0 find tan theta
Thanks in advance,
~K x

2006-10-04 06:48:31 · 4 answers · asked by CremeEgg-x 1

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math extra cerdit?

Among all collections, S, of positive integers whose sum is 28, what is the largest product that the integers in S can form?

2006-10-04 06:43:27 · 4 answers · asked by Sasha 2

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Ok : 2 to the power of -1 over 3 o the power -2?

I dont want an exact answer i would like it in a form like this example: (-6) to the power of -1 = 1/6

2006-10-04 06:18:11 · 6 answers · asked by Adriaan 1

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figure out this math probem for me plz?

9 inches apart along a 3-foot long line, then turns 90° and buries acorns in a straight line for another 3 feet, and continues in this manner until he has completed a perfect square. Each side of the square is three feet long.

Can you figure out how many acorns Square Sam buries to complete his square?

2006-10-04 06:11:31 · 13 answers · asked by punky89 5

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What is the difference between chi-square goodness-of-fit test and chi-square test of independence? Give your?

2006-10-04 05:58:43 · 2 answers · asked by cmptbytes 1

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Square Root Question?

How do you solve this?

Square root of 108
minus
Square root of 27

Sorry, I don't know how to do the square root sign on the comp.

2006-10-04 05:55:54 · 12 answers · asked by Nikki 2

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Explain why one cannot add or subtract unlike terms. Use a simple example.?

2006-10-04 05:55:09 · 6 answers · asked by goof ball 2

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what is the integral of (dx)/[(x^2+2x+2)^2]?

2006-10-04 05:53:40 · 4 answers · asked by BMac 3

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what is the integral of (x^3)/(sqr(x^2+9)) dx?

2006-10-04 05:52:07 · 3 answers · asked by BMac 3

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9 geometry questions?

11. One side of a square is 16 feet long. How long is its apothem?

12. One side of a regular hexagon is 6 inches long. How long is its apothem?

15. Two regular pentagons have radii of 5 cm and 7 cm. What is the ratio of their areas?

16. Two regular octagons have areas of 36 and 49. What is the ratio of their apothems?

17. Two regular octagons have areas of 36 and 49. What is the ratio of their perimeters?

20. Two similar polygons have perimeters of 10 miles and 20 miles, and the area of the larger is 300 mi2. Find the area of the smaller.

24. The length of one side of a regular triangle is 30. What is the length of a radius of the triangle?

25. The radius of a regular hexagon is 6 centimeters. What is the length of the apothem?

28.Two similar polygons have apothems of 15 units and 18 units. What is the ratio of their areas?

2006-10-04 05:51:02 · 3 answers · asked by qtgyjda89 2

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