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On a lark, a discus champion throws a circular metal plate having velocity of 19.9 m/s at an angle of 45 degrees to the horizontal. The plate is rotating in the vertical plane at a rate of around 21
If annual operator salary of $ 42000 increases by 3% each succeeding year, at the interest rate of 4% per year, evaluate how much money would require to be banked now to run operation through Year 8
How many professional athletes prepared at least one of the three activities? How many professional athletes prepared on none of three activities?
The vending machine takes $1 bills, $1 tokens, and $5 tokens. Determine the recurrence relation for number of ways to insert $n in machine where order matters.
Salt water with the concentration of c(t)= (t/10)e^(1-t/30) grams/L flows in at the rate of 2 L/min. Find how much salt is in water after one hour of operation.
Once contaminate reaches 300 ounces outflow is increased to 4 gal/hr and other quantities remain same. Estabilish IVP which will give amount of contaminate in tank for the new time frame.
For autonomous first-order differential equation, y'=y^2+3y-18 determine critical points and phase portrait. Categorize stability of each critical point.
Illustrate that archimedean property (for each x>0 , there exists an n belongs to N such that 0< 1/n< x) doesn't apply. i.e., determine the positive member z in F such that, for all n belon
State symbolically using quantifiers, carefully explaining the predicates and domain: "If the quadrilateral is rectangle then it has 4 equal angles " Write converse of the quantified statement above
Create the income statement for Peace River Products for coming year. Find overall contribution margin ratio? Overall break-even sales revenue?
Yuan Company makes and sells strings of colorful indoor or outdoor lights for holiday display to retailers for $8.42 per string. Compute break-even point in units.
Fixed manufacturing cost total $111,425 per year. Administrative cost (all fixed) totals is as given $48,350. Find unit variable cost? Determine unit variable manufacturing cost?
The discrete mathematics class has 2 mathematics majors who are juniors. State each of the statements in terms of quantifiers and then find the truth value.
If his interest rate for time value of money is 8%, find value of each choice? Suppose that he plays for next six years.
Determine present worth (at 8%) of the inheritance which starts at $8000 per year next year and then falls by $500 per year over its 16-year life?
If fund earns interest at 9% per year, compounded annually, how much must father deposit at end of every year, up through 17th year?
Using the moving average with 3 periods, find demand for vaccum cleaners for next feb. What other factors might R. Lowenthal consider in predicting sales.
20.00 mL of 0.100M NaOH and 20.00 mL of 0.100M acetic acid was added to 20.00 mL of 0.100M acetic acid and 20.00 mL of distilled water with a pipette in a 100 mL beaker and buffer solution was forme
Determine the emission wavelengths of hydrogen in the visible region, for all possible transitions where a transition is only "possible" to see in the visible region if the wavelength falls within
Determine the buffer capacity of a solution that is 0.10 M in sodium acetate and 0.10 M in acetic acid? Buffer capacity is defined as the number of moles of a strong acid or strong base tha
Discuss how much we should decrease the pressure if we want to boil ethanol at the 298K in a distillation when the regular boiling point of clean ethanol is 78.3oC. At this temperature it has been f
If the tunneling current is to be decreased by a factor of 3, determine how much farther away must the tip be moved from the sample?
The porphyry in molecule has 26 π electrons. Many proteins contain metal porphyry in molecules. This molecule is planar, and so we can approximate the π electrons as being confined inside a sq
How could you use a precipitation reaction to separate the two metal ions? Assume that you have an aqueous solution of CuCl2and BaCl2.
The rate of the reaction if found to be directly proportional to the concentrations of H,+ benzaldehyde and MnO4. Benzaldehyde (C6H5CHO) is oxidized to benzoic acid by potassium permanganate in acid