Answers created by NGBRO
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How do you evaluate -423( 636) + 423( 287)?
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What is the probability of B if they are independent events P(A)= 3/7, P(A then B)=1/3?
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On a scale drawing, a cell phone tower is 1.25 feet tall. The scale factor is 1/150. What is the height of the actual cell phone tower?
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How do you calculate the average atomic mass of carbon if 98.90% of the atoms are C-12 (12.000000 and 1.100% are C-13 atoms (13.003354 amu)?
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How do you simplify (sqrt9sqrt8)/(sqrt6sqrt6)?
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How do you simplify -12m(-9n)?
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The exponential decay graph shows the expected depreciation for a new boat, selling for $3500, over 10 years. How do you write an exponential function for the graph. Use the function to find the value of the boat after 9.5 years?
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Cu -> Cu^(2+) + 2e^- What does this equation represent?
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How do you solve 3x+6y=9 and 2x+8y=10 using substitution?
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How do you use the amplitude and period to graph of y=sin(x + (pi/2) )?
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Question #87a00
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How do you simplify 7^(1 / 7) / 7^(-13 / 7) leaving only positive exponents?
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How do you solve 4.2= 29.8- 8w?
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Question #af4de
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How do you multiply (4x + 3) ( 3x ^ { 3} - 4x + 14)?
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C_2H_4 + 3O_2 -> 2CO_2 +2H_2O. If you start with 45 grams of ethylene (C_2H_4), how many grams of carbon dioxide will be produced?
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During the exponential phase, E. coli bacteria in a culture grown continuously. If the growth rate is 2.8% per minute and the current population is 124.0 million, what will the population be 6.3 minutes from now?
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Question #6797f
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How do you divide \frac { \frac { 20x ^ { 3} y } { 7m n ^ { 2} } } { \frac { 5x ^ { 5} y ^ { 3} } { 14n ^ { 5} } }?
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When (n + 3) (n +2)! is multiplied by (n +4) and then divided by (n+ 2)!, what is the result?
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Question #63acc
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The circumference of a circle is 11pi inches. What is the area, in square inches, of the circle?
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Question #ea8a2
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How do you solve \sqrt { 54+ 3x } = x?
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How do you simplify (x - 4) ( 3- 6x - 2x ^ { 2} ) ?
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A pulley system is used to lift a 2,000 newton engine up a distance of 3 meters. How much force will the operator have to apply if the mechanical advantage of the pulley system is 4?
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How do you write the equation of the line with slope of -5 and passes through the point (2, -4)?
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A charge of 12 C is passing through points A and B on a circuit. If the charge's electric potential changes from 54 J to 36 J, what is the voltage between points A and B?
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Question #a5e2b
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The gas inside of a container exerts 8 Pa of pressure and is at a temperature of 210 ^o K. If the temperature of the gas changes to 30 ^oC with no change in the container's volume, what is the new pressure of the gas?
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How do you use the quadratic formula to solve 1/2x^2-3x+2=3x-1?
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How do you evaluate 4- [ 1+ 2( 3- 4) ^ { 2} ]?
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Question #65e73
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How do you balance NO_3^(-) + 4H^+ + Pb -> Pb^(2+) + NO_2 + 2H_2O?
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Question #bca2e
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Question #4ee83