10/29/17

simplify 18/(4/x)
That's it. Just simplify eighteen over (four over x).
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10/29/17

complete to find each unit rate.Show your work
3 ounces for every 3/4 a cup    
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10/29/17

Megan is checking her tax bill for the last year.
The tax rates were as follows: No tax one the first £11000 of earnings Earnings in excess of £11000 and up to £43000 taxed at a rate of 20% Earning in excess of 43000 and up to £150000 taxed... more
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10/29/17

Help with this math question that I dont understand
A chocolate chip cookie recipe requires one and three quarters cups of flour to one cup of chocolate chips . If four and two thirds cups of flour is used, what quantity of chocolate chips will be... more
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10/29/17

The point P is on the unit circle. If the y-coordinate of P is − 2/8, and P is in quadrant IV , then...
The point P is on the unit circle. If the y-coordinate of P is − 2/8, and P is in quadrant IV , then... x=??
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10/29/17

i want knew how did they get the answer i have below
A DC­10 shuttle flight between two cities has a total seating of 331, a mean of 253 passengers, and a standard deviation of 39 passengers. What percentage of the time is this flight able to meet... more
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10/29/17

How to find one and two standard deviations above and below the mean when the mean is 27.8?
Mean is 27.8 and the standard deviation is 4.79
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10/29/17

How to find internal radius of a hemispheral
A spoon used to measuring in cookery consists of a hemispheral bowl and a handle. The internal volume of the hemispheral bowl is 20cm3. The handle of the length is 5cm
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10/28/17

Break down and solve the equation √x+3=√x+13?
Break down and solve the equation √x+3=√x+13? I have tried to look for solutions and everywhere I look it said that there isn't one but my question says different.
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10/28/17

calculus problem
A 0 degrees celsius, the heat loss H (in kilocalories per square meter per hour) from a person's body can be modeled by H=33(10sqrt v -v10.45, where v is the wind speed (in meters per... more
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10/28/17

calculus problem
The period T of oscillation (in seconds) of a simple pendulum of length L (in feet) is given by T=2pi sqrt L/32. What is the rate of change of T with respect to L when L= 4 ft?
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10/27/17

what is the significance between cos(45) being equal to sqrt(0.5)
I was messing with a calculator and found that the square root of 0.5 is equal to the sine and cosine of 45. I was just wondering the correlation between the two equations.
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10/27/17

How to solve T + 200/T = 1000
I'm truly stumped on this, it's been a while since I've done algebra and I'm at my wits end trying to reinvent the wheel when I just know that it's round.  
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10/27/17

I don't understand this question at all
It is estimated that the annual advertising revenue received by a certain newspaper will be R(x) = 0.5x2 + 3x + 160    thousand dollars when its circulation is x thousand. The circulation of the... more
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10/27/17

The points ( - 5,9) and (k, - 1) fall on a line with a slope of 10. What is the value of k?
Tall and im in the 5th grade. work with harder stuff
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10/27/17

Maximums and Revenue
The demand function for a product is p=32-2q where p is the price in dollars when q units are demanded. Find the level of production that maximizes the total revenue and determine the maximum... more
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10/27/17

can the car do the loopty loop
211.887577 mph3,164 lb carcircomfrence 90 ft14ft radiusdiameter 28ft
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10/27/17

each forward and backward step is 0.213m and 0.17m respectively. how much distance idoes it covered in 8 steps?
How much distance does it covered in 8 steps
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10/27/17

how do i add -7+3 using a line number
what are the procedures in adding -7+3 using a line number
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10/26/17

I need help with my algebra word problem homework!
How many pounds of coffee worth $5 per pound must be mixed with 20 pounds of Brazilian coffee worth $4 per pound to produce a mixture worth $4.20 per pound?
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10/26/17

two cars leave town traveling in opposite directions. one travels at 80 km/hour and the other at 96 km/hour. In how many hours will they be 528 km apart?
two cars leave town traveling in opposite directions. one travels at 80 km/hour and the other at 96 km/hour. In how many hours will they be 528 km apart?
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10/26/17

three of four numbers have a sum if 22. if the average of the four numbers is 8, what is the fourth number
there are four numbers 3 of them equal 22 and the average if all four is 8
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10/26/17

gravitational potential energy
In magazine car tests an important indicator of performance is the zero to 65 mph (0 to 104.6 km/h) acceleration time. A time below 6 s is considered to be extremely quick. If a car with mass 1300... more
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10/25/17

HOW MANY STUDENTS SCORED WITHIN ONE STANDARD DEVIATION OF THE MEAN? PLEASE SHOW WORKING OUT
MEAN : 6.3 MODE:6 MEDIAN:6 STUDENTS SCORES: 4,5,5,6,6,6,7,7,8,9 STANDARD DEVIATION: 1.49
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10/25/17

Sloving a question
A 150 g baseball is attached to a string. Holding the string you swing the baseball around in above your head so that it moves at 30m/s in a circular arc of 50 cm. With how much force must you hold... more
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