Calculus, precalculus, algebra, geometry, trigonometry, number theory, statistics and probability, data modeling, string theory, differential equations, etc.
Nearly every field of study requires math in some way or another. Whether it be in business, nursing, or agriculture, let’s face it – mathematics is found everywhere.
But we know the strain that this can cause you, especially when you have
Math calculation for cheaper gas versus more expensive gas
I need to come up with a math calculation for this scenario: gas 1 mile away is 4.47. gas 4 miles away is 4.10. (0.37) cheaper. Which is more economical? Please help.
I am having trouble understanding this. I understand how to solve the equation but can we just add the angular frequency? I thought they have to be the same?
When May rides her dirt bike off a ramp, her path can be modelled by h(d) = -4.9d^2 + 22.0d +3, ...
When May rides her dirt bike off a ramp, her path can be modelled by h(d) = -4.9d^2 + 22.0d +3, where dis the horizontal distance from the ramp and h(d) is the height, both in metres. How far away from the ramp did she land, to the nearest tenth of a
Solve Diophantus’s Problem B–8: To find two numbers such that their difference a
Solve Diophantus’s Problem B–8: To find two numbers such that their difference and the difference of their cubes are equal to two given numbers. (Write the equations as x−y=a, x3−y3=b. Diophantus takes a=10, b= 2120.) Derive necessary conditions on a
An invoice for $1121.45 with terms 2/10, n/30 is dated March 7. The contractor received it on March ...
An invoice for $1121.45 with terms 2/10, n/30 is dated March 7. The contractor received it on March 14. What payment will settle the invoice if the contractor pays it March 20? A) $1121.45 B) $1009.31 C) $22.43 D) $1099.02 E)
OPG is required to create a sinking fund of $8.1 billion 80 years from the start of the plant by mak
OPG is required to create a sinking fund of $8.1 billion 80 years from the start of the plant by making equal deposits at the end of every month throughout the 50 years life of the Pickering plant. If the interest is compounded 7.2% monthly, what is
"(N Columns–1)(N Rows–1)" is the formula for the degrees of freedom for:
"(N Columns–1)(N Rows–1)" is the formula for the degrees of freedom for: A. the chi-square test for goodness of fit. B. the chi-square test for independence. C. the chi-square
If a research article reports that "The mean performance scores for the Normal S
If a research article reports that "The mean performance scores for the Normal Sleep, Reduced Sleep, and No Sleep groups were 18.0, 16.6, and 15.6, respectively, F (2, 36) = 2.95, p < .05," the most accurate conclusion is that
A psychologist obtained recordings of election-night acceptance speeches of seve
A psychologist obtained recordings of election-night acceptance speeches of seven newly elected representatives to the U.S. Congress and counted the number of minutes devoted to urban problems in these speeches. The four of these representatives from
Suppose that a state introduces a state income tax which will be at a flat rate
Suppose that a state introduces a state income tax which will be at a flat rate of 3%. The state legislature wishes to estimate how much money they will receive in taxes, and to do this they need to know the average income of residents of t
Debt payments of $2130.00 and $1794.00 are due five months from now and nine months from now ...
Debt payments of $2130.00 and $1794.00 are due five months from now and nine months from now respectively. What single payment is required to pay off the debt today if interest is 6.36%?
You have three colors of candies a jar - yellow, red and blue. There are 4 times plus 3 as many ...
You have three colors of candies a jar - yellow, red and blue. There are 4 times plus 3 as many yellow candies as there are blue candies. There is 5/8 as many minus 6 red candies as there are blue. There are a total of 402 candies in the jar. How man
A certain brand of cars captured 17.3 17.3% of the market. If 3 cars are selected at random, ...
A certain brand of cars captured 17.3 17.3% of the market. If 3 cars are selected at random, the probability distribution is given below. Find E(x).
A local college hospitality restaurant has the best meals in town. The average variable cost per ...
A local college hospitality restaurant has the best meals in town. The average variable cost per meal is $10.25 and the desserts are $1.25. The restaurant has fixed operating costs of $110 500 per month. They sell the meals and desserts for three tim
The data set below represents the ages of 30 executives. Which ages are above the 75th percenti
Determine the values in the data set above the 75th percentile. If a data value above the 75th percentile appears more than once in the data set, make sure to include that value in your answer the appropriate number of times.
If a game were "fair," the payoff on a bet would be the same as the odds for the
If a game were "fair," the payoff on a bet would be the same as the odds for the event. In one game, the odds for winning are 1:13. If the game were "fair," what would the payoff be for a $5 bet? Of course, games in casinos are de
The distribution of the number of hours that a random sample of people spend doing chores per week i
The distribution of the number of hours that a random sample of people spend doing chores per week is shown in the pie chart. Use 32 as the midpoint for "30+ hours." Make a frequency distribution for the data. Then use the table to estimat
Three debts, the first for $1720 due four months ago, the second for $1315 due in 5 months, and the ...
Three debts, the first for $1720 due four months ago, the second for $1315 due in 5 months, and the third for $1640 due in 7 months, are to be paid by a single payment today. How much is the single payment if money is worth 7.5% p.a. and the agreed f
Kahn Motors purchased 2008 an off-lease Nissan Altima from the Nissan dealer for $9850 in 2012. Kahn ...
Kahn Motors purchased 2008 an off-lease Nissan Altima from the Nissan dealer for $9850 in 2012. Kahn Motors marked up the price by 20% of the regular selling price. After failing to sell it for 3 months, Kahn Motors decided to sell the car at a markd
Classic Movie DVDs are for sale from June 19 to June 25. There are 60 different titles available. Th
Classic Movie DVDs are for sale from June 19 to June 25. There are 60 different titles available. The cost is 2 for $15.00, or 3 for $20.00, or 5 for $30.00 with the in-store coupon. After June 25, the DVDs will be sold at the regular price of $8.50
Silva is contemplating to buy a 20 year annuity paying $2500 at the end of each month. What amount ...
Silva is contemplating to buy a 20 year annuity paying $2500 at the end of each month. What amount will be required to purchase the annuity, if the annuity provides a return of 6.75% compounded annually? A) $334 000 B) $47 246 C) $600
