04/19/13

Distance between the hotspots
  Can anybody help with the rest? Distance between the hotspots: 4 cmWavelength: 25 cmWavelength: 1.0 mFrequency of the microwave: 300 MHzEQUATION: ?Your calculated speed of light   ???    m/s
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04/16/13

the speed of light and it relationship to frequency and wavelength the equation c = f?.
c=λ*f Measuring the Speed of LightWith Chocolate  when microwaving. Distance between the hot spots ______________________________cmWavelength... more
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04/05/13

TRANSACTIONS
  Assets = Liabilities + Owner's Equity Transactions Cash + Accounts Receivable + Supplies + Equipment = AccountsPayable + Owner'sCapital   TRANSACTIONS 1. The owner invested $88,000 in cash to... more
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03/19/13

In 1992, the moose population in a park was measured to be 4280
In 1992, the moose population in a park was measured to be 4620. By 1996, the population was measured again to be 4020. If the population continues to change linearly: Find a formula for the moose... more
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03/17/13

, a portion earning a simple interest rate
Phyllis invested dollars, a portion earning a simple interest rate of percent per year and the rest earning a rate of percent per year. After one year the total interest earned on these investments... more
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03/17/13

Find the length of the shorter piece.
77 cm long is cut into three pieces such that the second piece is twice as long as the first and the third is 2 cm longer than the second.Find the length of the shorter piece.
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03/17/13

word problem
180 miles. Because he is flying into a head wind, the trip takes him 2 hours. On the way back, the wind is still blowing at the same speed, so the return trip takes only 1 hour and 30 minutes. What... more
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03/16/13

slope between
Find x if the slope between (2,1) and (x,9) is 2
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03/16/13

inequality in interval notation:
-7-2 |7 x-5| gt -9
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03/16/13

Solve the system with the addition method:
Solve the system with the addition method:   (7 x -4 y, =, 5) (21 x -12 y, =, 15)
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03/16/13

interval notation
Solve each inequality and give the solution in interval notation: 5-3 |2 x+8| lt -22
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03/15/13

Solve the equation
Solve the equation S/R + 5 = T/R for R in terms of S and T. R=
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03/15/13

help with equation please
A coffee distributor needs to mix a(n) Kenya coffee blend that normally sells for $11.60 per pound with a Queen City coffee blend that normally sells for $14.30 per pound to create 70 pounds of a... more
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03/14/13

help please
Solve the equation for the requested variables. p(k u+z)=n+c Solve for p: p= Solve for u: u= (entry tip: if you have several parts to a numerator or denominator, put them in parenthesis. to... more
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03/14/13

Find an equation of the line that (a) has y-intercept of 1 and (b) is parallel to the line -3 x -2 y = -9. Write your answer in the form y=mx+b.
Find an equation of the line that (a) has y-intercept of 1 and (b) is parallel to the line -3 x -2 y = -9. Write your answer in the form y=mx+b.
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03/13/13

The radiator in a car is filled with a solution of 65 per cent antifreeze and 35 per cent water.
The radiator in a car is filled with a solution of 65 per cent antifreeze and 35 per cent water. The manufacturer of the antifreeze suggests that for summer driving, optimal cooling of the engine... more
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03/13/13

: {(7 x -4 y, =, 5),(21 x -12 y, =, 15):}
solve the system with the addition method: {(7 x -4 y, =, 5),(21 x -12 y, =, 15):}
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03/13/13

The measure of the third angle is 40 degrees more than that of the smallest angle.
One angle in a triangle has a measure that is three times as large as the smallest angle. The measure of the third angle is 40 degrees more than that of the smallest angle. Find the measure of the... more
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03/13/13

Phyllis invested 57000 dollars,
Phyllis invested 57000 dollars, a portion earning a simple interest rate of 5 percent per year and the rest earning a rate of 7 percent per year. After one year the total interest earned on these... more
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03/13/13

A man flies a small airplane from Fargo to Bismarck, North Dakota ---
A man flies a small airplane from Fargo to Bismarck, North Dakota --- a distance of 180 miles. Because he is flying into a head wind, the trip takes him 2 hours. On the way back, the wind is still... more
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03/13/13

April drove at an average speed of 40 mi/h from her home in Nashville to visit her sister in Salt Lake City
April drove at an average speed of 40 mi/h from her home in Nashville to visit her sister in Salt Lake City. She stayed in Salt Lake City 25 hours, and on the trip back averaged 40 mi/h. She... more
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03/13/13

The admission fee at an amusement park is $3.50 for children and $5.20 for adults.
The admission fee at an amusement park is $3.50 for children and $5.20 for adults. On a certain day, 254 people entered the park, and the admission fees collected totaled 1144 dollars. How many... more
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03/13/13

After a 20% reduction, you purchase a new suit for $276. to find the original price of the suit.
After a 20% reduction, you purchase a new suit for $276. What was the price of the suit before the reduction? A) First write an equation you can use to answer this question. Use x as your variable... more
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03/13/13

A coffee distributor needs to mix a(n) Kenya coffee blend that normally sells for $11.60 per pound with a they mix?
A coffee distributor needs to mix a(n) Kenya coffee blend that normally sells for $11.60 per pound with a Queen City coffee blend that normally sells for $14.30 per pound to create 70 pounds of a... more
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03/13/13

In 1992, the moose population in a park was measured to be 4620.
In 1992, the moose population in a park was measured to be 4620. By 1996, the population was measured again to be 4020. If the population continues to change linearly: Find a formula for the moose... more
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