Answers edited by MeneerNask

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• Question #2fac8
  
• What is the equation when iron reacts with oxygen to produce iron(III) oxide ?
  
• How do you solve for x in #2cos(3x-1)=0#?
  
• What advantages does a telescope located outside the earth's atmosphere have over a land-based telescope?
  
• Question #1e5d1
  
• What is frost wedging?
  
• Question #11039
  
• A pulse of white light is sent straight down a fiber optic cable 1 km long. The refractive index for blue light is 1.639 and for red light 1.621. What time interval will there be between the two components when they reach the far end?
  
• How do you graph the inequality #x - 1 > -10# on a number line?
  
• What is #log_e# of e?
  
• If y varies inversely as x, how do you find the constant of variation if #y=36# when #x=9#?
  
• The distribution of weights of items produced by a manufacturing process can be approximated by a normal distribution with a mean of 90 grams and a standard deviation of 1 gram. Using the empirical rule, what percentage of the items will either weigh less than 88 grams or more than 92 grams?
  
• How do you use the intercepts to graph the equation #2x-4y=8#?
  
• Question #22505
  
• If 2 cards are drawn from a deck of cards, how do you find P(heart or club)?
  
• How do I find the domain of #y=4-x^2#?
  
• Question #09cb4
  
• A discrete uniform distribution results from recording the final digit of the cell phone number for 3,000 students. In order to be a density curve, what would be the height (or probability) for each of the bars corresponding to the 10 possible outcomes of 0 to 9, inclusive?
  
• A car is moving at a constant speed 30 m/sec. at a distance of 100 m there is a obstacle immediately brakes are applied which give constant retardation 6 m/s.what is the distance from the wall after 12 s.?
  
• What is the difference between continuous data and discrete data?
  
• In how many ways can you arrange 5 books in a bookshelf?
  
• Question #2c99c
  
• What is a relative frequency distribution?
  
• Question #cabd7
  
• What is halogenation?
  
• Question #a0064
  
• Question #7607c
  
• What does the Empirical Rule (also called the 68-95-99.7 Rule) tell you about the approximate probabilities for normally distributed values?
  
• How do you simplify #(x^5y^8)/(x^4y^2)#?
  
• What are the equator and the prime meridian?
  
• How much work is required to lift the load of the way up the shaft if a cable that weighs kg/meter is lifting a load of 150 kg that is initially at the bottom of a 50 meter shaft?
  
• Why do we assume that the image distance is equal to the far point/near point of a myopic/hypermetropic eye respectively, while trying to find the focal length of the corrective lens? Aren't the far point and near point object distances?
  
• How many different alkenes can be hydrogenated to form hexane?
  
• How do you solve #x^2-x=12#?
  
• What is the general antiderivative of #f(x) = x(4 − x)^2#?
  
• Question #8d994
  
• Question #56574
  
• How do you calculate permutations on the TI-84?
  
• How do the different measures of center compare?
  
• How long does it take the culture to double its mass if a bacterial culture which is growing exponentially increases from 5 g to 7 g in 11 hours?
  
• Is f(x)=x^3 the only possible antiderivative of f(x)=3x^2? If not, why not?
  
• What is rational function and how do you find domain, vertical and horizontal asymptotes. Also what is "holes" with all limits and continuity and discontinuity?
  
• How many 325 mg ibuprofen tablets can be produced from 2.50 kg of ibuprofen?
  
• What is the pattern in words if you get paid 15 dollars in 1 hour, 22 dollars in 2 hours, 29 dollars in 3 hours?
  
• What are the four conditions that need to be satisfied for a binomial setting?
  
• How do I use the graph of a linear function to find its equation?
  
• What causes spring and neap tides?
  
• What is the formula of the ethyl group?
  
• If you draw one card from a deck of cards, what is the probability that it is a heart or a diamond?
  
• What is the largest area that can be fenced off of a rectangular garden if it will be fenced off with 220 feet of available material?
  
• For the following function: g(x) = x^2 + 4x - 5 / x^2 + 7x + 10 (a) Find the domain. Answer .................. (b) horizontal asymptotes? (c) vertical asymptotes ? (d) is there discontinuity ?
  
• Question #1068b
  
• What is the amplitude for the function #y=6sinx#?
  
• What is meant by the skewness of a distribution?
  
• How do I find extrema of #f(x) = x^7 - 14x^5 - 4x^3 - x^2 + 3# on a graphing calculator?
  
• How do you find the length of the chord of a circle with radius 8 cm and a central angle of #110^@#?
  
• Question #10ee4
  
• If #F(x) = sqrt 64 - x^2#, what is f(x)?
  
• How do you turn a percent into a decimal?
  
• Why do scientists prefer the SI units over the old English system of measurement?
  
• Question #6703e
  
• Question #74f6f
  
• What is Amplitude?
  
• Why is the only byproduct of burning hydrogen water?
  
• How can I calculate standard normal probabilities on the TI-84?
  
• What is statistical significance?
  
• How is Benford's Law used in detecting possible cheaters on income tax returns?
  
• How do you factor trinomials?
  
• How do you graph #y=1/2x-6#?
  
• How do you use differentials to estimate the maximum error in calculating the surface area of the box if the dimensions of a closed rectangular box are measured as 60 centimeters, 100 centimeters, and 90 centimeters, respectively, with the error in each measurement at most .2 centimeters?
  
• Question #cd107
  
• A company with 500 employees wants to have its group health insurance premiums lowered. Here is one question from the questionnaire that every employee filled out and returned to the HR department: What have you done in the past year to improve your health? (circle all that apply) A. I have eaten healthier. B. I have exercised regularly. When the results were tabulated, the HR clerk reported that 140 people circled response A, 290 circled response B, and 50 people circled both responses A and B. Given that a randomly selected individual answered B, what is the probability that he or she also answered A?
  
• What is the definition of a "success" in a binomial setting?
  
• Use the empirical rule to determine the approximate probability that a z value is between 0 and 1 on the standard normal curve.
  
• What are some examples of transverse waves?
  
• How do I find the multiplier for a rate of exponential decay?
  
• What is Probability of Compound Events?
  
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