04/15/14

who am i help with these math problems
problem #3 iam less than 100. clue2 the sum of my digits is 4. clue 3 half of me is a odd number.  problem #4 double my tens digit to get my ones digit, clue 2 double me and i am less than 50
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04/15/14

truiangles
A straight road leads from an ocean beach into the nearby hills. The road has a constant upward grade of 7°. After taking this road from the beach for a mile and a quarter, how high above sea level... more
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04/15/14

The sum of two numbers is 2 and twice their difference is 4. What are these numbers
Word questions are hard for me. Please show me how to work the problem also
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04/15/14

perform the indicated operation. Write the result in the form of a+bi
(9-6i)(8+3i) =
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04/15/14

Perform the operation
c+8/c^2-5c+4  +  3c+5/c^2-9c+20 
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04/15/14

Evaluate –7(x – 4y) when x = –4 and y = –6
PLEASE HELP!!!
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04/15/14

1/9 of all sales were for cash. If cash sales were $59,000, what was the total sales?
1/9 of all sales were for cash. If cash sales were $59,000, what was the total sales?
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04/15/14

Urgent! Physics Help!
1. A fireworks shell explodes H=110 m above the ground, creating colorful sparks. How much greater is the sound level of the explosion for a person at a point directly below the explosion than for... more
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04/15/14

Three times a the sum of a number and 7 is 45
I really need hlp can sumbody anybody hlp please
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04/15/14

In a right triangle, find the length of the side not given. Give an exact answer and an approixation.
a= 1 c=√11     The exact length of the third side =   The approximate length is = round to the nearest thousandth
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04/15/14

A parking lot has attendants to park cars, and it uses spaces where cars are left before they are taken t o permanent parking stalls.
The number N of such spaces needed is approximated by the formula N=2.5√A, where A is the average number of arrivals in peak hours. Find the number of spaces a) 81 and b) 83    If A = 81, then... more
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04/15/14

Trigonometry Word Problem
The distance from a pebble to the base of a vertical cliff is 43m. The angle between the pebble and the top of the cliff is about 57 degrees. What is the height of the Cliff?
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04/14/14

for the linear function f(x)=mx+b, f(-6)=24, and f(7)=-15. find m and b
i can't figure out the answer to this on my pre calculus homework. please help me thank you
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04/14/14

solve for x
18=4+abs(2x) 
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04/14/14

Write the equation of the circle.
Write the equation of the circle with a diameter whose endpoints are (0,7) and (0,3). 
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04/14/14

What is the equation of the line
what is the equation of the line through x-intercept,-1, and y-intercept ,2 
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04/14/14

Would someone help me answer this trigonometry math word problem and show my work for it? Thanks!
The value of a machine depreciates according to the function f(x) = 20000(1/2)x ,where x is the time in years from the purchase of the machine. What is it's value after 3 years?
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04/14/14

the sum of three consecutive integers is (-204) what is the largest number?
can you help me with this problem so i know what to do next time? Can you please explain it the easiest way there is? thanks
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04/14/14

difference bwetween 2 3/8oz and 1 1 /8 oz?
trying to divide in half the difference of bowl weighing 1/1/8, added dry mix now weighs 2 3/8 oz.  Need to know how I can cut dry mix in half?
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04/14/14

calculate please
Calculate and show work    a) 5[3-8*3^2+4*6-2]   b) [4(8-6)^2 +4](3-2*8)          2^2(2^3+5)
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04/14/14

NAME THE TERRESTRIAL AND THE GIANT PLANETS IN OUR SOLAR SYSTEM .
PLEASE HELP ME  WITH THE NAMING OF THESE PLANETS AND TERRESTRIAL .
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04/13/14

Exponent problem #1
   3                    4 _____   __    ______    X - 2             X + 2   _________________               7        _______            X -  4     I multiply the top 3 (x + 2) and 4 ( x... more
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04/13/14

Can someone help me with a related rates problem please?
An oil slick on a lake is surrounded by a floating circular containment boom. As the boom is pulled in, the circular containment area shrinks. If the radius of the area decreases at a constant rate... more
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04/13/14

As dry air moves up it cools at 1 degree up to 12 kilometers, so A fi the ground is 25 degrees celcious what is the temperature at x kilometers
As dry air moves up it cools at 1 degree celsius every 100 meters up to 12 kiliometers. So A if the ground is 25 degrees celsius what is the temperature at x kilometers?  
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04/13/14

ky has 3 times more books than grant,and grant has 6 fewer books than jamie. if the total number of books is 176, how many books does jamie have?
I need help with my algebra. I would like that very much if you could help me.
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