03/26/14

how can you use five 3's to get answers 1,2,3,4,5,6,7,8,9, and 10. (EX:3+3-3+3-3=3)
You are only allowed to use miltiplication, division,adding and subtracting.
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03/26/14

Compare the angular resolution of the Hubble Space Telescope (Aperture 2.4 meters)
WITH THAT OF  A TYPICAL AMATEUR TELESCOPE  (APERTURE 20CM)
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03/26/14

mANY AMATEUR ASTRONOMERS START OUT WITH A 4 INCH (APERTURE) TELESCOPE AND THEN GRADUATE TO A 16 INCH TELESCOPE . BY WHAT
FACTOR  DOES THE LIGHT - GATHERING POWER ( WHICH GOES LIKE THE AREA) OF THE TELESCOPE INCREASE ?
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03/26/14

scientific notation
Compute (1.40×10^(-6))/( 9.3 ×10^5 ) . Show some work. Write the answer using scientific notation.
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03/26/14

Solve using linear combination
4x-3y=10 5x+6y=-7 (Same question)
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03/26/14

Solve with Substitution method
A=4B A-B=9 (Same problem)
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03/25/14

How do you graph x +y = 4 and x-y=6
How do you graph x +y = 4                             x-y=6
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03/25/14

Combinations
Hi,   i'm trying to work out a combination of numbers. Say I have six places, each filled with either a 1 or a 2. How many possible combinations are possible (could range from 111111 to 222222,... more
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03/25/14

10 hot dogs and 5 soft drinks $35. A second group bought 7 hot dogs and 4 soft drinks $25.25. What is the cost of a single hot dog? A single soft drink?
Need help!!
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03/25/14

1800 male/ female fans their are 574 males then females how many females are thier?
How many females are their in all?
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03/25/14

Describe the following transformations of the graphs:
x^2 -> (x+4)^2 |x| -> |x|-2 Square Root x ->  Square Root x-3 x^2 -> x^2+1 
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03/25/14

Shifts in graphs
Describe shift(s) that can be applied to the graph of f(x)=1/x a) 1/(x+8) b) (1/x)+3 c) (1/x)-1/5 d) 1/(x-2)-ln7
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03/24/14

use laws of exponents to simplify
(x-1/4y2)4
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03/24/14

use laws of exponents to simplify
(x7)3/7
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03/24/14

A recipe uses 4 cups of flour to 1 1/8 cups of milk. If you have 2 cups, how much milk should you use?
I need to answer with an integer or simplified fraction
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03/24/14

Find the integral?
Find the integral of abs(x) dx from -1 to 3.   abs means absolute value.   Answer: 5   Please show all your work.
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03/24/14

Solve for x
Please help me solve the following:   x3+2x2-9x-18=0
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03/24/14

Average word problem
The U.S. annula per-capita consumption of broccoli was 3.1 lb in 1990. By 2007, this amount had risen to 5.5lb. Find the average rate of change in the consumption of broccoli from 1990 to 2007.... more
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03/23/14

patty works at a souvenir shop. Out of 440 items sold,4/5 were sweatshirtTwentyfive percent of the total other item sold were baseball cap
 patty works at a souvenir shop. Out of 440 items sold, 4/5 were sweatshirts. Twenty-five percent of the total other items sold were baseball caps. What percent of the total number of items were... more
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03/23/14

need help with this word problem please!
stuck on this on   Rashau made a rectangular frame for her latest oil painting. the length is 20 cm more than triple the width.  the perimeter of the frame is 112 cms. find the length and width... more
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03/23/14

need help with this word problem please!
stuck on this on   Danielles chemistry teacher has a complicated grading system. each lab counts once and each test counts as two labs.at the end of the semester there is a final lab that counts... more
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03/23/14

Construct a diagram of the electromagnetic spectrum
Construct a diagram of the electromagnetic spectrum ( ADIC) and label all important parts of the spectrum ( including numerical values) include where energy is high and low, where frequency is high... more
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03/23/14

need help with this word problem please!
stuck on this on   the cost of living last year went up 9%. Fortunatley Alice got a 9% raise in her salary from last year. This year she is earning $31,910. How much did she make last year?
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03/23/14

Find the maximum value?
Find the maximum value of the function f(x)=xe^-x.    Answer: 1/e   Please show all your work. 
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03/23/14

Word problem
At the local video rental store, jose rents 2 movies and 3 games for a total of $15.50. At the same time  Meg rents 3 movies and 1 game for a total of $12.05. How much money is needed to rent a... more
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