10/27/15

Finite math
Find pr[z>or = to 1.94]
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10/27/15

8th grade math story problems
1-Mrs. fairbourn went to kneaders to buy some bread. The apple bread cost $5 more than the pumpkin spice. Orange rolls were $8 less than the apple bread. Freshly baked whole wheat was twice as much... more
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10/27/15

A jeweler wants to make 1600 grams of 25% silver compound by mixing 20% and 40% silver compounds together. How many grams of each kind will she need?
Im not sure how to solve this one
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10/26/15

Need help with math sequence
so I have a mathematical sequence sequence, and this is what I'm told: the sequence has an even number of digits/places. The sum of the odd places (1st, 3rd, 5th, etc) equals 100, the sum of the... more
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10/26/15

Using Descartes' Rule and the Fundamental Theorem of Algebra to predict complex roots of polynomials
I'm taking a pre-calculus course online, and teaching myself is turning out to be very difficult. Most recently, I have to do a written assignment as follows:         How could you use Descartes'... more
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10/25/15

complete the ordered pairs of x=7-4 and than graph
 Complete the ordered pairs so that each is a solution of the given linear equation, then graph the equation.
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10/22/15

Math Word Problem Need Help?
Suresh started with the number 350. He did something on his calculator and now the calculator shows 35. In his starting number, the 3 had a value of 300. In his ending number, the 3 had a value of... more
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10/20/15

Solving using interval notation
     x         +           3x        ≥     2  |x2 - 4|               x + 2
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10/20/15

Find the given term of each arithmetic sequence
121,110,99,88,...; 10th term
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10/20/15

Find the given term of each arithmetic sequence
5,10,15,20,...; 17 term
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10/20/15

add 2 feet to each side of the billboard. the height of the grey portion is w - 34 and the width of the grey portion is w
need help cant figure it out
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10/19/15

Please help its due tommorow
A skydiver jumps out of an airplane. After 0.8 second, she has fallen 100 feet. After 3.1 seconds, she has fallen 500 feet. Emtiaz says that the skydiver should fall about 187.5 feet in 1.5... more
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10/18/15

A population grows exponentially according to the formula A(t)=7,000^0.04t where t is measured in years.
Find the time in years that it takes the population to triple. First give the exactanswer in years and then give the answer to the nearest hundredth of a year.
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10/18/15

How to solve these math problems?
Simplify: -3a(square root -112a^-1b^5c^21)     Find he x-intercepts and y-intercepts of each: f(x) = -2x^3+6x^2+9x     g(x)=2x-1/2x^2+5x-3
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10/18/15

Points on a plane??
Blocks of a city are represented on a coordinate plane. A person walks from point R (-3,7) to point S (-3,5) And then to point T (8,-5). Approximately how many blocks shorter is it to go directly... more
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10/18/15

given the graph of the function f x below what happens to f x when x is a very small negative number?
Finding Vertical Asympotes  
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10/15/15

p(x)=2-(100/x)
The fixed cost is $20 (you have to pay the RA to keep him from reporting you to the IRS), the marginal cost is $0.05 per cookie. At the beginning of your first run, you priced your cookies at $2.00... more
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10/15/15

for this rational function f(x)=x^2-3x-10/x^2-1 determine were possible.
1. for this rational function f(x)=x^2-3x-10/x^2-1 determine were possible.   i.the domain of the function.   ii. the coordinates of the x and y- intercept of the graph of function.   iii.... more
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10/14/15

Find the derivative
Find the derivative of r= 1    -  8                                   4s3    5s4
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10/14/15

can anybody help me
i want all important english word which we can convert into math language please any body give me guidance for math language
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10/13/15

Let A and B be subsets of a universal set U and suppose n(U)=46, n(A)=9, n(B)=13, n(A intersect B)=6.
Compute:   1.) n(A' ∩ B) = 2.) n(B') = 3.) n(A' ∩ B') = 4.) How many subsets does A have? 5.) How many proper subsets does A have?    This is what I have so far: 1.) ? 2.) 33 3.) 30 4.)... more
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10/13/15

doubt for word problem expert
Mr jones gave 40% of the money he had to his wife. he also gave 20% of the remaining amt to each of his three sons. half of the amt now left was spent on miscellaneous items and remaining amt of Rs... more
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10/13/15

non liner math please help me
p=(x-4)3 + (x-4)3   2x1    + 3x2 >   6 and -3x1 -2x2  >  -12     find the maximized  profit
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10/12/15

Calculus III Problem
At what angle does the circle x2+y2=2 intersect with the parabola y=x2?
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10/12/15

Carl and mike start a 3 mile race at the same time. If mike ran at 6 miles per hour and finishes the race 7.5 minutes before Carl, how fast does Carl run
I don't know how to solve this math prblem  
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