03/26/15

Probability
While playing Yahtzee, Amanda rolls five dice and gets a 1, a 2, a 4, a 5, and a 6. She decides to keep the 1,2, and 4, and reroll the 5 and 6. What is the probability that Amanda will have a small... more
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03/26/15

Statistics Problem Need Help!
What sample size is required in order that the standard deviation of X(with bar) be:   A. 1/4 of the population standard deviation?   B. 1/7 of the population standard deviation?   C. 12% of... more
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03/26/15

Find the function and sketch the graph.
PV=nRT    where p is pressure and v is volume t is temp n is amount of gas r is universal gas constant. Assuming that the amount and the volume of the gas are constant. show that the pressure is... more
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03/26/15

Combination of different main and side dishes
John is going to a community cookout. At the cookout he can have a meal using any combination of 9 sides and 4 main dishes, as shown in the menu below. A.) John wants a meal with 3 different sides... more
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03/26/15

If together they all made 9, how many did Mr. Patterson make?
Mr. Williams, Mr. Patterson and Ms. Cowgill all made multiple brackets for March Madness. Me. Williams and Ms. Cowgill botth made the same number of brackets. Mr. Patterson made one less than 3... more
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03/26/15

together Sara two cats have the same mass as her dog 11kg. The mass of one cat is 1500g greater then the mass of the other. what are the masses of the two cats.
Sarahs cats.
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03/26/15

In a city 15% of the bus riders with a monthly pass are students. In a random sample of 50 bus riders with monthly passes, 12 are students. Find p and p^.
In a city 15% of the bus riders with a monthly pass are students. In a random sample of 50 bus riders with monthly passes, 12 are students. Find p and p^. I know for p=0.15 but for p^ I have a hard... more
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03/26/15

Ms haynes drives 6 miles to work every day. what is the best way to determine how many miles ms haynes drive to and from work in 5 days?
Multiply 6 times 5 Multiply 6 times 2 times 5
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03/26/15

Which of the following number lines display the solutions to the equations? (x+5) (x-2)=0 (pick from the number lines below)
1)_____._____.___________.             -2       0                   5   2)_._________._____._______      -5              0         2              3)_________________._____.__                ... more
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03/26/15

if a recipe uses 2/3 tablespoons of salt for every 3/4 cup of flour and I have 3 cups of flour how much salt do I need?
Need help figuring out the conversion on this one
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03/26/15

Write a polynomial function of least degree with real coefficients in standard form that has -2, 1, and 4i as zeros
Write a polynomial function of least degree with real coefficients in standard form that has -2, 1, and 4i as zeros
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03/26/15

The resilt of 9 matches played by 4 football teams can be shown in a table or stored in a matrix.
Team                 wins           draws        losses   A                         3                6              0   B                         2                1              6   C... more
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03/26/15

How to solve for x?
|X   12   13| |0   X-2  23| =0 |0    0   X-4|  
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03/25/15

Select an appropriate display for each situation. Justify your answer.
The number of students that favor chocolate or vanilla frosting
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03/25/15

pollsters are
Pollsters are concerned about declining levels of cooperation among persons contacted in surveys. A pollster contacts 93 people in the 18-21 age bracket and finds that 79 of them respond and 14... more
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03/25/15

What would be the cost in 2020 of an item that costs $400 in 2000? (Round your answer to the nearest cent.)
The rate of inflation measures the percentage increase in the price of consumer goods. The rate of inflation in the year 2000 was 3% per year. To get a sense of what this rate would mean in the... more
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03/25/15

Acceptance Sampling?
a pharmaceutical company receives large shipments of aspirin tablets. the acceptance sampling plan is to randomly select and test 14 tablets, then accept the whole batch if there is only one or... more
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03/25/15

how many mg will remain after 2000 years?
The half-life of Radium-226 is 1590 years. If a sample contains 200 mg, how many mg will remain after 2000 years?
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03/25/15

What if an inequality is non-linear?
 Decide with your team how to graph the y<x^2-4x+3 on graph paper.
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03/25/15

For which interval is the function positive?
For which interval is the function positive?... more
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03/25/15

What are the values of r1 and r2 if the equation of a circle is circle passes through the origin (x + 12)2 + (y + 16)2 = (r1)2 and changes to (x – 30)2 + (y – 1
The equation of a circle is (x + 12)2 + (y + 16)2 = (r1)2, and the circle passes through the origin. The equation of the circle then changes to (x – 30)2 + (y – 16)2 = (r2)2, and the circle still... more
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03/25/15

A car makes a complete drive through the airport every 8 minutes. How long will it take to go to the airport 7 times?
This is a 7th grade math word problem. 
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03/25/15

What is the probability that the business makes a profit in exactly two of its first three years?
Assume that the business makes a profit with probability 0.2 in the first year. For each year thereafter, the business makes a profit with probability 0.7 if it made a profit in the previous year,... more
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03/24/15

Help finding the sample size! Statistics
A paint manufacturer uses a machine to fill gallon cans with paint.   a)The manufacturers wants to estimate the mean volume of paint the machine is putting in the cans within 0.25 ounces.... more
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03/24/15

natasha and hank shared a cash prize in the ratio 2:5. hank received $18 more than natasha. how much did natasha receive?
natasha and hank shared a cash prize in the ratio 2:5. hank received $18 more than natasha. how much did natasha receive?
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