06/13/16

Magnetic fields question
What happens if a DC motor or maybe even a generator, has a circular wire loop instead of a rectangular one?
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06/13/16

What is the distance between the points (2, 1) and (14, 6) on a coordinate plane?
I dont get the distance, im just looking for the answer
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06/13/16

If A = (0, 0) and B = (8, 2), what is the length of AB?
I cant solve for the answer
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06/12/16

what are the dimensions of the actual trailer?
A 1:25 scale model of a tractor trailer is 0.4 ft tall, 0,3 ft wide, and 1.5 ft long. What are the dimensions of the actualt trailer
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06/12/16

The difference between two numbers is 16. The smaller number is 9 less than three times the larger number. Find both numbers.
The difference between two numbers is 16. The smaller number is 9 less than three timesthe larger number. Find both numbers.
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06/12/16

Does the point (5 , 24) lie on the line y = 5x - 1
Sorry for asking again but my maths teacher gave us this homework and he hasn't taught us any him about this he just wants to see if we can work this out just please please please show me a good... more
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06/11/16

If A=(10,4) and B=(2,19), what is the length of AB
I dont really understand the concept
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06/11/16

determine the length and width
a paper company makes a rectangle pieces of cardboard. the sheets have an area of 140 square inches. the length is 8 inches more than 3/5 its width. determine the length and width of the... more
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06/11/16

word problem
If Tammy weighs 242 pounds and loses 1 pound a week, how many months will it take Tammy to  lose 122 pounds? Hint : (she now weighs 120 pounds) ( there are 4 weeks in a month )
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06/11/16

How would i do this, Help! Please and thank you:)
Testing shows that a sample of wood from an artifact contains 50% of the original amount of carbon-14. Given that the half-life of carbon-14 is 5730 years, how old is the artifact? \l "\l " A.... more
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06/10/16

word problem
A motorboat travels 128 mi in 4 hours going upstream. It travels 192 mi going downstream in the same amount of time. What is the rate of the boat in still water and what is the rate of the current? 
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06/10/16

If one euro=1.7209 US dollars, how many euros can be obtained for $500 US dollars?
Proportions and variation. Using direct variation to find the coast of gasoline.   
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06/10/16

Solve sec^2 theta= sec theta+2 using exact values over the following domains
=-2pi<=x<2pi =the real numbers
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06/10/16

3x^2+3x+k=0, find value(s) for no solution.
find values for no solution and write answer as an inequality 3x^2+3x+k=0
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06/10/16

if 0!=1! then what is the actual value of 0 & 1
We know 0!=1 & 1!=1 . So 0!=1!, Here its seen that The value of 0 & 1 is Same. But this is Wrong. There must be difference between the Value of 0 & 1. There what value do they signify?
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06/09/16

Length of orbital major axis
A comet moves with a distance from the sun at perihelion and aphelion are x and (x+Δx). Determine length of orbital major axis.
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06/09/16

let theta be an angle in quadrant II
Let theta be an angle in quadrant II such that cos(theta) = -4/7   Find the exact values of csc(theta) and tan(theta)
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06/09/16

Help! Physical science
Which of the following accurately states the claim made by special relativity? \l "\l " A. The speed of light in a vacuum is the same for stationary frames of reference. \l "\l " B. The speed of... more
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06/09/16

determine the approx. speed of each motorcycle
brandy dawson and jason dodge start a motorcycle tip at the same point. both are traveling to san antonio a distance of about 400 kilometers. brandy rides 30 kilometers per hour faster than jason... more
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06/09/16

what is ionisation energy?
how can i find ionisation energy?
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06/09/16

find the limit
lim   f(x)=0 x→1   lim  f'(x)=π2/2 x→1   lim  f"(x)=a x→1   lim  (x-1)(f(x))÷1-sinπ/2x x→1
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06/09/16

How do I solve this matrix agebra question? A^2 - 5A - 6I
A and B are matrices; I is an identity matrix Also, what are some general rules I can follow when factorizing matrices? Thank you :)
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06/09/16

How much of an alloy that is 40 % copper should be mixed with 300 ounces of an alloy that is 80 %copper in order to get an alloy that is 70 % ?copper?
How much of an alloy that is 40 % copper should be mixed with 300 ounces of an alloy that is 80 %copper in order to get an alloy that is 70 % ?copper?
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06/09/16

math problem
A projectile is fired straight up from a 20ft building with an initial velocity of 100 ft/sec. The equation h=-16t^2+100t+20 models the projectile's height in seconds. In how many seconds will the... more
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06/08/16

could someone help validate these questions for me?
A. -5/4 ÷ 10/13 -5/4 x 13/10 and got -13/8   B. 2(4)-8/3+8 and got 0/10 = 0   C. -4(3)^2-5(2)^2 -36-20/-56 and got -56/-56 and got 1   D. 3(-5-3)+4(7-9)/5(-2)+3(-4) and got 16/11
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