10/17/16

A wheel has 38 numbers, 1, 2, 3, . . . , 38.....
A wheel has 38 numbers, 1, 2, 3, . . . , 38. A player picks a number and bets $20. The wheel is spun, and if the player’s number results, he or she is paid $700 (and gets to keep the $20 bet). If... more
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10/17/16

A tub holds 26 gallons of water and fills at 1.75 gallons every 2and a half minutes. What is the unit rate?
What is the answer
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10/17/16

A tub holds 26 gallons of water and fills at 1.75 gallons every 2and a half minutes. What is the unit rate?
What is the answer
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10/17/16

length of the base to the nearest meter?
The pyramid in peru has square base. The length of the diagonal of the base is 154m. How do I get the side length of the base to the nearest meter?
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10/17/16

Find the z-score
Suppose 12 people are asked to rate themselves in terms of their accumulated wisdom. The first 11 people, being humble, give themselves a zero. The 12th person--with gigantic arrogance--responds by... more
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10/17/16

Statistics Question
Two-thirds of students have jobs to help with bills in college. If 20 students are surveyed what is the probability that half of the students will have jobs?
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10/17/16

Root of a number doubt
how to find root of 58.97 ? Please tell me any shortcut method (if any) ?
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10/17/16

Mathematics doubts
the value of 124.2+52.487 with due regard to significant places is ?
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10/17/16

derivative of y = e^((k)tan(sqrt(3x)))
derivative of y = e^((k)tan(sqrt(3x)))
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10/16/16

derivative of y = [x + (x + sin(x)^2)^3]^7
derivative of y = [x + (x + sin(x)^2)^3]^7
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10/16/16

The sum of a number divided by 3 and 6 equals 9
The sum of a number divided by 3 and 6 equals 9
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10/16/16

System of equations word problem
The perimeter of a triangle is 48cm. The triangle is isosceles now, but if it's base we're lengthened by 6cm and each leg were shortened by 6cm, it would be equilateral. Find the base of the... more
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10/16/16

One-hundred people won the lottery worth $10^8. They all received their winnings over ten years. How much did each receive in a one-year period?
Do you divide the money by the years or the people first?
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10/16/16

math help essay
A ball is thrown straight up, from 11 meters above the ground, with a velocity of 7 m/s. The equation below models the height of the ball:h = -4t^(2) + 7t +11a. Use the discriminant to determine... more
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10/16/16

Suppose that f(2) = -5, g(2) = 3, f '(2) = -2, and g'(2) = 1. Find h'(2) for h(x) = g(x)/(1+f(x))
Suppose that f(2) = −5, g(2) = 3, f '(2) = −2, and g'(2) = 1. Find h'(2) for h(x) = g(x)/(1+f(x))
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10/16/16

Find the arc length of the graph of the given equation from P to Q or on the specified interval.
y = 2x^(3/2)/3 − 4; P(4, 4/3), Q(9, 14)
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10/15/16

The vast majority of firms have fewer than 500 employees.
The vast majority of firms have fewer than 500 employees.
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10/15/16

use 140.3 as the Consumer Price Index in 1992 and 229.6 as its value in 2012.
What would be the equivalent price in 1992 of a pair of jeans that cost $69 in 2012?
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10/14/16

Prove, 1/n ? n - 1
Prove or disprove. For all n in rational, 1/n ≠ n - 1
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10/14/16

Composite Functions & Domains
f(x)= (x+3)/(x^2-4x-5) and (x)=(square root of(2-x))   Algebraically determine the domain of f(x)/g(x).   If you could provide a detailed explanation of how this would be done it would be... more
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10/14/16

Use 140.3 as the consumer price index in 1992 and 229.6 as its value in 2012
to keep up with inflation, what should a standard 29 cents first class postage stamp for 1992 cost in 2012?
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10/14/16

The spreading of fixed costs over more output explains why the long-run average cost falls as output rises.
its a true or false question, and i do not know the answer to it. 
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10/14/16

How do you find the cubic equation from its graph?
Does anyone know how you would fit three cubic polynomials on a parabola with 2 turning points? Like use points on the graph and a formula to find the equations? The parabola given does not... more
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10/14/16

The superstore sold 341 dozen eggs at 1.19 per dozen on Wednesday what was the cost of all the eggs sold in Wednesday
The superstore sold 341 dozen eggs at 1.19 per dozen on Wednesday what was the cost of all the eggs sold in Wednesday
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10/14/16

What is the equation of a parabola with focus point (2,-1) and directrix y=-4
i need help and work shown for this problem
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