05/03/16

A box of candies contains 6 caramels and 4 buttercreams, all appearing identical. What's the probability that the candy will be caramel after the third one
this is a stats question
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05/03/16

I really need help with these three ASAP!!!
Calculate log3 100 (where log3 means log to the base 3). Rewrite as a logarithm to the base 2.  log3 100 = 4.1918 = log2 18.2750 log3 100 = 4.6416 = log2 24.9609 log3 100 = 3.3333 = log2 10.0791... more
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05/03/16

r=2-2cos(theta)
r=2-2cosθ
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05/03/16

In macroeconomic theory, total consumption expenditure on goods and services, C, is assumed to be a linear function of national income, I....
In macroeconomic theory, total consumption expenditure on goods and services, C, is assumed to be a linear function of national income, I. The table gives the values of C and I for 2004 and 2009 in... more
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05/03/16

Find the equation of the ellipse with a vertex of (0,6) and a co vertex of (5,0)
Also find the equation of the ellipse for a vertex of (-4,0) and a co vertex of (0,3)
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05/03/16

X + Y = 3 X-y+5
this is part of my homework
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05/03/16

Math Word Problem Help - Please include steps.
The owners of a pet store plan to purchase some hamsters and some rabbits. They decide to spend at least $100 and purchase at least eight animals. Each hamster costs $5 and each rabbit costs $25.... more
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05/03/16

Find locus of point P
If the tangent from point p to circle x2+y2=1 is perpendicular to the tangent from p to be circle x2+y2=3, then locus of p is ? A circle of radius _
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05/02/16

Find the exact value of tangent for the angle in standard position with the terminal side located at A.
A) -1 B) 1  C) 0 D) undefined E) none of these
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05/02/16

A child throws a ball straight upwards to his friend who is sitting in a tree 18 ft above ground level.
A child throws a ball straight upwards to his friend who is sitting in a tree 18 ft above ground level.If the ball leaves his hand at a height of 2 feet with an initial velocity of 40 ft/sec, write... more
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05/01/16

find the equation of a parabola
Find the equation of a parabola through (-15/4 , 2) and (0,-1) whose axis is parallel to the x axis and latus rectum is 4.     Please help
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04/29/16

Population decline problem - math modeling
The population of a country was 42 million in 2000 and the natural rate of the decline of the population was 3% per year. Also, let k(t) =e0.6t represent the net rate of growth of the population... more
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04/27/16

what is the range and why?
y=-e^(x)+15
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04/27/16

Select the representations that do not change the location of the given point?
Can someone explain while going through the details of the answer? I do not have a guideline to follow for questions like this, thank you:   (7, 140 degrees)     A.  (-7, 320 degrees)   B.... more
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04/27/16

Patrick missed 6 out of his last 18 free throws. What is the experimental probability that Patrick will miss his next free-throw attempt?
i need help please math is really hard for me at times  
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04/27/16

You are charged 13.21 including tax for a meal, assume the 7% sales tax, how much was the menu price for the item
 Math080/123 question of the day
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04/26/16

prove the following trigonometric identity
(sin2∅-1)/tan2∅-1=(1/sin2∅)-1
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04/26/16

speed of trains
A passenger train travels 392 mi in the same time that it takes a freight train to travel 322 mi. If the passenger train travels 20mi/h faster than the freight train, find the speed of each train.
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04/26/16

Trigonometry
Use algebra to rewrite the following identity in 2 different forms.  tan2(Θ)+1=sec2(Θ)
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04/25/16

Business math 141
a jewelry store expects its overhead to be 25% of sales and its net profit to be 50% of sales. The cost to the store is $40 less 20% for a watch? a)what is the cost of the watch? b)what is the... more
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04/25/16

A math 1100 student with awesome enthusiam to do mathematics decided to toss their math 1100 book up into the air with joy. Knowing that the student projected
knowing that the student projected the textbook at a velocity of 80mph, when will the book hit the ground? Hint: h=80t-16t^2. also when will the book reach its maximum height? How high up is the... more
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04/24/16

If the fourth term of an arithmetic series is 5 and its ninth term is 20, find its first and seventh terms.
If the fourth term of an arithmetic series is 5 and its ninth term is 20, find its first and seventh terms.
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04/24/16

A geometric series begins 10,5, 5/2, 5/4, 5/8, ... Find the common ratio r for this series and then the formula for the nth term of series, an. What is a10?
A geometric series begins 10,5, 5/2, 5/4, 5/8, ... Find the common ratio r for this series and then the formula for the nth term of series, an. What is a10?
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04/24/16

Find the first five terms and the fifth partial sum of the sequence whose nth term is an=n2-3n.
Find the first five terms and the fifth partial sum of the sequence whose nth term is an=n2-3n.
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04/24/16

Precalc Math HW help please!
Consider the equation cos(3.10t)=.3. Find the smallest positive solutions in radians and round your answer to 4 decimals.
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