02/22/17

two real numbers are such that the sum of 3 times one plus 4 times the other is 68, while the product of the numbers is 80. find the numbers
i dont really get how to do this problem.
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01/24/17

what is a event
i am wondering about some things related to computer programming.
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01/12/17

Permutation and Combinations
In a row of 6 counters, 3 are red, 2 are blue and 1 is white. Find the number of arrangements in which no red counter is next to another red counter.   Ans is 12
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01/11/17

How do you solve this calculus problem?
Find all extrema in the closed interval (0, 2π) if y=x+sinx
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01/02/17

√x+y=7,x+√y=11.find the value of x and y.
Very hard ,very hard ,very hard
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12/20/16

tickets cost 10$ for adults and 6$ for children. there was total of 90 tickets sold and a total of 800$ collected, how many each type of ticket were purchased
let x=#of adult tickets purchased and y=# of children tickets purchased
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12/20/16

rate of change
Jessa is given the points (4, -1) and (-2, 3). She needs to find the rate of change between these two points.
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12/20/16

equation in point slope form
Given the points (3, 3) and (0, -3), construct two equations in point slope form using each of the points. 
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12/12/16

Show that a subset with K elements has 2^k possible subsets
set theory 
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12/12/16

Math problem
An Opera is to last exactly 3.5 hrs at the beginning of the opera 690 people were in attendance. If 29 people keep entering the opera every 35 minutes and 7 people keep leaving the opera house at 5... more
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12/10/16

continuous compound problem
How much would a person have to invest at 4.5% compounded continuously to have $10,000 five years from today?
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11/30/16

Three times a first number decreased by a second number is 15. The first number increased by twice the second number is 19.
I have to find the number x
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11/30/16

which equation in standard form has a graph that passes through the point (-4,2) and has a slope of 9/2?
i dont understand the question 
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11/29/16

(((63 * 63) + (x * 63 + 3 * 63) + (3 * x)) mod 63) = 63
This is a problem I saw while browsing around, I have no idea what the answer is and I am quite intrigued to find out.
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11/28/16

Four gallons of gasoline for 16.80 . What is the price of gasoline in terms of gasoline per dollor
 It is hard
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11/27/16

If 1 is the greatest common factor of two numbers, what can you say about their least common multiple
Im dealing with great common factor and least common multiples 
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11/27/16

write the polynomial in factored form : 3x^3 + 21x^2 + 36x
How do I solve the problem ?
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11/27/16

How do I know what quadrant u/2 is if u is in quadrant 3?
I know how to use the half-angle formulas but I don't know how to find out which quadrant u/2 is in based off of what quadrant u is in.
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11/25/16

(-6 + -1y)(3 + -1y)
(-6 + -1y)(3 + -1y) how to find the product
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11/25/16

how do you take 9/16 and make it a decimal
how to make fractions and turn them into decimals
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11/25/16

FACTOR EXPRESSIONS
  20N2 + 47N +24
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11/23/16

polymials factor
  15x2+26x+7
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11/23/16

In a family of four children, how many different boy-girl birth-order combinations are possible? (The birth orders BBBG and BBGB are different.)
In a family of four children, how many different boy-girlbirth-order combinations are possible? (The birth ordersBBBG and BBGB are different.)
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11/23/16

equations with three unknowns
a coffee manufacturers has to blend 3 types of coffee beans to produce 10000 pounds. 3 component beans cost $2.4, $2.6, $2.00 per pound respectively. he wants to blend 10000 at total of 21000... more
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11/22/16

The longer side of a rectangle is four times the length of the shorter side. Let x denote the length of the shorter side.
a. Express the perimeter of the rectangle as a function of x b. Express the area of the rectangle as a function of X
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