12/04/16

You are paid 24.75 for 75 pounds what would you get fo 100 pounds
You are paid 24.75 for 75 pounds what would you get fo 100 pounds
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12/04/16

Half Life of a Substance
Suppose 128 oz of radioactive substance decays to 28 oz in 6 hours, what is the half-life of the substance?
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12/04/16

Find the sum of the first 11 items of geometric sequence shown below. 3,12,38,192
find the sum of geometrical sequence
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12/03/16

substitution word problem
For this problem, I know how to solve it, but can't set it up. I have  x+y=3000 0.70x+0.35y=(0.58)(300) but it's quite right. Thanks!   A silversmith has two alloys, one containing 70% silver... more
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12/03/16

Find the value of n for which f(n)=g(n). What does that value mean in this situation?
Marco owed his father $150 and began paying him back $20 at the end of each week, beginning November 1. Joni owed her father $130 and began paying him back $15 at the end of each week, beginning on... more
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12/03/16

Lucy will spend more than $21 on gifts. So far, she has spent $13. What are the possible additional amounts she will pay?
 Use c for the additional amount (in dollars) Lucy will spend. Write your answer as a inequality solvedd for c
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12/03/16

Optimization
What is the minimum number of feet of fencing needed to create a rectangular garden with an area of 576ft?   I keep getting 144 as my answer but my friend says it wrong.. Please help!
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12/03/16

rational Expressions multiply
  x+3 .      x2 +3x+2 5x+20   .   x2 +5x+6
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12/03/16

Find two numbers that have a difference of 24 and a quotient of 5.
Find two numbers that have a difference of 24 and a quotient of 5. Thanks
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12/03/16

You don't have to give me the answer. I just need to know how to set it up.
I am in Algebra 2 and I can't figure out how to set it up.   A computer virus is infecting a large Network. As each PC becomes infected, it infects two other pieces every 1.1 minutes. How long... more
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12/03/16

A=Vf-Vi/tf-ti solve for tf
The f's and the i's are subscripts. 
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12/03/16

solve trigonometric function using other given equation
we have two equations: x+y+z = 1 and cos(x) = cos(y) = cos(z) = #(consider it as lambda) how can i find the value of x,y and z?
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12/03/16

Simple Trig, got lost and need help.
Solve the given equation over the interval [0,2): 2sinx+ (sqrt 3) sin^2x=-(sqrt 3) cos^2x A. x=0, and x=(pi/2), and x=(3 pi/2), and x=2(pi)x=(3 pi/2), and x=(7 pi/2) b. x=(4 pi/3) and x=(5... more
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12/03/16

About Earth's rotation speed: Why does my shadow, cast by the Sun on Earth, not move at 465 meters per second?
Why does my shadow, cast by the Sun on Earth, not move at 465 meters per second?
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12/03/16

Desmond receives 400 kg of bananas for which he pays $0.75 per kg
Desmond receives 400 kg of bananas for which he pays $0.75 per kg. on average, 8% of the bananas will spoil. find the selling price per kg to obtain a 75% profit on cost.
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12/03/16

Writings equation
Write the equation for the horizontal and vertical lines passing through the point  (-2,5)
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12/02/16

Will you please help solve with steps, so I know how it is done, thank you.
What quantity of 60 per cent acid solution must be mixed with a 25 per cent solution to produce 420 mL of a 50 per cent solution?
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Gcf

12/02/16

Find the greatest common factor of the numerator and denominator and reduce the following fractions
2ay3 /−4a2b Find the greatest common factor of the numerator and denominator and reduce the following fractions 2ay3 −4a2b
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12/02/16

Triangle ABC has vertices (0,0) ,(11,60) and (91,0). If the line y=kx cute the triangle into two triangles of equal area then k= ? Find the value of k
The question is from the chapter Straight Lines
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12/02/16

18 (-12y -19)
18 (-12y - 19)  
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12/02/16

What's the minimum possible length for a container that'll hold all of the oil?
Oil is being transferred from a full rectangular storage container with dimensions 4 meters by 5 meters by 10 meters into a cylindrical container that has a diameter of 6 inches. What's the minimum... more
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12/02/16

The price of a $250 coat increased 7% last year. The coat is now on sale for one-half off. What is the sale price?
The price of a $250 coat increased 7% last year. The coat is now on sale for one-half off. What is the sale price?
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12/02/16

linear function
 Graph the following equation and determine if it is a linear function: y = negative-1/2x + 3
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12/01/16

Multi-Step Equations
 a/15 + 4/15 = 9/15Multi-Step Equations
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12/01/16

Sequences 12
Determine whether the sequence is arithmetic. If it is, find the first term and the common difference.   an=2n+6, n≥1.   Please show Step by Step work for solution and provide final answer.
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