07/08/15

Word problem help
On a particular day, the wind added 4 miles per hour to Jaime's rate when she was rowing with the wind and subtracted 4 miles per hour from her rate on her return trip.  Jaime found that in the... more
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07/08/15

Algebra 2 question
Teds comic book collection, which is worth $1300 five years ago, has been increasing in value by 12% per year since then. Which expression gives the current value of the collection/   A)... more
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07/08/15

please help!
On a particular day the wind added 5 miles per hour to Alfonso's rate when he was cycling with the wind and subtracted 5 miles per hour from his rate on his return trip. Alphonso found that the... more
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07/08/15

Henry is going to make 5 toy cars. If each car requires 7/8 feet of wood, how many feet does he need?
 i don't know that 
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07/08/15

help with point of intersection
  I have a circle on a graph and point A is (-1, -2).     what is the point of intersection of ΘA, ΘB, and ΘC.   I had to write the standard equation form for ΘA.  I got (x+1)² + (y + 2)² = 9... more
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07/08/15

If AcB then what's the Pr[AuB]
Assume Pr(A)=.15, Pr(B)=.25 Find Pr[AuB] in the following conditions...   1) if Ac(subset)B then Pr[AuB] 2) if AnB=0 then Pr[AuB] 3) if AnB'=0 then Pr[AuB]
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07/07/15

If mary collected 300,000 antique items in 10 years, how many antique items did she collect in one year?
Ok, so I know this seems like a really basic and easy question and im sure it's easy to figure out. I calculated 2 different answers that could give me the real answer but I dont know if I did any... more
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07/07/15

A principal of $3800 is invested at 6.75% interest, compounded annually.How much will the investment be worth after 11 years?
Round to the nearest dollar
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07/07/15

Cube Shape Question
    Which of the following shapes is it NOT possible for a cross section of a cube to take.   equilateral triangle                     rectangle   square                                     ... more
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07/07/15

Why, if I divide individual values of X by Y to obtain Z, the average of all Z are not the same as dividing the total of X by the total of Y?
X    Y   Z 8    5   1.6 10  4   2.5 6    2   3.0   Why the ∑ of "X" divided by the ∑ of "Y" is not the same as the Average of "Z"
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07/06/15

tough question
GIVEN THAT SIN(7Π/20)=0.8910 AND COS(7Π/20)=0.4540.USE THESE APPROXIMATE FUNCTION VALUES .   a) THE OTHER FOUR FUNCTION VALUES FOR 7Π/20   TAN 7Π/20=    SEC 7Π/20=       CSC 7Π/20=     COT... more
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07/06/15

if 150 pcs cost $7.75 each and 2700 pcs cost $2.69 each what would 500 pcs cost?
I need to know if there is a way to figure the cost at 500 pcs and 1000 pcs given the known fact.   150 pcs cost $7.79 each piece   2700 pcs cost $2.69 each piece   what would the discount be... more
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07/06/15

help with translate
  I have a graph with a triangle, A(-1,-2), B(1,2) and C(3,-1).  On the x axis is another A (-4,0).  Also, a line is drawn from D(6,-2) to E(7,-1)     1.  Help with drawing ΔA'B'C and write a... more
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07/06/15

help with graph
    A (0,0) B (4,3) C (7,0) D (4,-4)     m∠A = 82 degrees (to the nearest degrees).  Find m∠B, m∠C, and m∠D to the nearest degree.   m∠B = ____ m∠C = ____ m∠D = ____   Thanks.
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07/05/15

For f(x) = 2e^(x-2)+1, what are the transformations from e^x. Also, what are the domain and range of f(x). Find f^-1 (x) and its domain and range.
For f(x) = 2e^(x-2)+1, what are the transformations from e^x. Also, what are the domain and range of f(x). Find f^-1 (x) and its domain and range.
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07/04/15

urgent help needed
Bernie, a senior sales representative, at a multinational company, travelled from Canada to japan, via the UK, He left Canada with C$ 8000, when he reached the UK, he converted all his cash to... more
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07/04/15

Find the sum of money when increases 1/10 of itself every year amount to Rs. 600 in 5 years.
Find the sum of money when increases 1/10 of itself every year amount to Rs. 600 in 5 years. 
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07/03/15

Match each function to its domain and range.
Functions: f(x)=5x-3 f(x)=4-4x f(x)=3/x+1.5 f(x)=-10x Domain and Range domain {0, 1, 3, 5, 6} range: {-20, -16, -8, 0, 4} domain: {-2, -1, 0, 3, 4}range: {-13, -8, -3, 12, 17} domain: {-4,... more
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07/03/15

Kinematics
A particle P moves in a straight line so that its displacement, s m, from a fixed point O , t seconds after passing through point A one the line , is given by s =t^2-3t^2-9t+30. Calculate    (a)... more
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07/03/15

time and work
a man takes 24 days to do a piece of work while woman takes 72 days to do same work . if a contractor engages men and women to do the same work in 4 days .then how many members does the contractor... more
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07/03/15

time and work
3 men or 8 women can paint 4 houses in 9 days . a builder hires men and women to paint 6 houses in 3 days .then members does the builder need.   (a)15 (b)16 (c)18 (d)26 (e)32
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07/02/15

A hot air balloon at an altitude of 2800 feet is 64 degrees. What is the new angle of elevation if the balloon decends veritally 1200 feet?
This is from my per-calculus course.
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07/02/15

Is the power property used to rewrite 3Squareroot log(5x-1)=log1/3? this is made up question just for property
 3Squareroot log(5x-1)=log1/3  
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07/01/15

What property is used to rewrite this problem? It can't be solved but I want to know how you can...
. 3   ___ log\/5x-1.   =log1   2x-1.               3  x-1   Remember this is a made up question
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07/01/15

Math help Please
2,3,4,5,7,9   the diagram shows six cards with different digits.find the number of four digit numbers that can be formed if:   (a) the even digits are to be side by side (b) the odd and even... more
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