09/06/15

Indicate by T or F whether the equations below are equivalent to a linear equation.
Indicate by T or F whether the equations below are equivalent to a linear equation. 1. x 2 −5x+4=x 2 +6x−11  2. 3x+4=5x−4  3. 1x+3 =12x−3   4. x 2 +1=x−x 2 
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09/06/15

Word problem
Grace is able to obtain two loans to purchase a house. She borrows $60,000 from a bank and $96,000 from a savings and loan company whose lending rate is 1% more than the bank's. Determine the... more
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09/06/15

How much pure alcohol should be added to 25litres of 16% alcohol to increase the concentration to 60%.
1. A certain obstetrican found the 9o% of babies she delivered weighed x pound where /x-8.5/ less than equal to 1. Determine the range of weight that correspounds to the inequality   2. sixty-six... more
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09/03/15

This Is A Very Easy Math Question. Its about possibilities . Please explain, Thanks!
There are 5 different letters on the blackboard. Joanne randomly picks 3 of the letters and uses them to make different arrangements of letters can she make?
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09/02/15

Three times a number is twelve
There times a number is twelve 
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09/01/15

l at 4 p.m. it took alice an hour longer than sue to get home alice walked 2.5 mph while sue walked 5 miles an hour what time did sue get home
Alice and sue left school at 4 p.m. it took alice an hour longer than sue to get home alice walked 2.5 mph while sue walked 5 miles an hour what time did sue get home.
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08/31/15

what Is Equivalent To (p^x)y. px+y? pxy? ypx? pxy?
Hellp Please 
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08/30/15

In a class of 100 students, all like maths(M), 40 like phy(P), 60 like chem(C), 2 like maths only and Y students like all the three subjects. represent the inf
In a class of 100 students, all like maths(M), 40 like phy(P), 60 like chem(C), 2 like maths only and Y students like all the three subjects. represent the information on a venn diagram and find... more
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08/30/15

Combined Yearly Interest
The combined yearly interest for x dollars invested at 12% and 50,000 -x dollars invested at 7% is________________.
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08/30/15

What's y=7-|x|
My question is what's y=7-|x|
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08/29/15

Probability Math Questions
In a class of 40 students,30 love Mathematics and 20 love Physics.If P(E) is the probability that a pupil selected at random from the class loves both physics and Mathematics,find the range of... more
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08/28/15

4 Algebra 2 Questions
1. Solve 2^x=32 and rewrite this equation in a logarithmic form. 2. Analyze the characteristics exponential and logarithmic functions. Make sure you talk about domain and range. 3. Demonstrate at... more
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08/27/15

what is the value of B for the vector [2,4,-6]
what is the value of B for the vector [2,4,-6]? 
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08/27/15

College Algebra
Simplify the expression completely. (Leave your answer in factored form.) (y−1 + x−1)/((xy)−1)
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08/26/15

find the relative min and relative max of g(x) = x square root of 7 - x
Also don't know how to start this one. Please help
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08/26/15

find all 6 trigonometric ratios for the given angle: a.)-pi/2 b.) 2pi/3 c.)7pi/4
Need help please
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08/24/15

If SinA + CosA = 1 and (SinA,CosA>0)
Show that (1 + SecA) (1 + CosecA) ≥ 9
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08/23/15

For the function given, state the starting point for a sample period:
  a. (-pi/8, 1) b. (-pi/4, 1) c. (pi/8, 1) d. (pi/4, 1)
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08/22/15

Find x^3 - 2x + 1 when
x2 - × - 1 = 0  
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08/12/15

weird question
Find all pairs of a and b such that the point (a, b) in rectangular coordinates is the same as (b, a) in polar coordinates.
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07/27/15

4 questions about functions
1. The number of milligrams of a drug that remains in a patient's system after t hours is given by the function A(t) = Iert. Ted was given 200 milligrams of medicine which leaves his bloodstream at... more
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07/23/15

A. Find the Height of Tower A ? how far is C to Tower A ? determime the horizontal between A and B?
Towers A and B are constructed on a horizontal plain . B being 200m above the plain . the angle of elevation of the top of tower A as seen from point C in the plain.(in the same horizontal plain... more
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07/22/15

How many different numbers are in both sets A and B?
The whole question: If set A is the set containing the positive integer factors of 12 and set B is the set containing the positive integer factors of 16, how many different numbers are in both... more
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07/21/15

Triangle question plz
Triangle ABC ~ Triangle ADB, AC=4cm AD=9cm. What is the number of centimeters in the length of AB?
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07/18/15

What is the approximate probability that a point chosen insdie the rectangle is in the shaded region?
1st Shaded region: 2 m1st Non-shaded region: 3 m2nd shaded region: 1 m2nd non-shaded region: 1 m The side of the rectangle being 4 m (All the sides are 4 m for every one of the shaded and non... more
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