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Three people randomly choose integers between 1 and 6 inclusive. Find the probability that at least two of them select same number?
Find out the time t essential for $8500 to double if it is invested at interest rate r = 12.5% compounded annually, monthly, daily, and continuously.
The half-life of the antidepressant drug in the woman's body is 2.4 days. How many days does it take for 90% of original dose to be eliminated from woman's body?
The airplane flew 450 miles at the bearing of N 65 E from airport A to airport B. Plane then flew at the bearing of S 38 E to airport C. Determine the distance from A to C if bearing from airport a
The jeweler purchases some old jewelry which totals 80 grams and which has 10% silver. She decides to melt down old jewelry and add sufficient silver to increase concentration to 25%. How much silv
Cost of construction through swamp from A to B is $125 000 per mile and cost to go throuh C is $100 000 per mile. Which alternative must engineers select to save money?
The diameter of wheel of the bicycle is 25 inches. If pedal is turning at the rate of 5 turns per second, find linear velocity of the point in circumference of wheel in miles/hour.
State height of triangle as the function s. State area of the triangle as the function of s. Use function you found in part (a) to find height of equilateral triangle, each side of which is 8 cm lon
Is it possible to use -pi as base of the exponential function? Is it possible to use 1 as base of exponential function?
Determine the equation for hyperbola which has vertices (0, -12) and (0, 12) and passes through point (-5, 18). Equation for the hyperbola?
Iif latitude of Rio de Laguna is 20oS and latitude of Punkin Flats is 65oS, find distance (as crow flies) between cities in kilometers, correct to nearest whole kilometer?
The wind turbine with blades whose tips are 30 meters from center of rotor shaft is turning at the rate of 40 rpm. Then linear speed of the blade tip will be, in meters per second, correct to 2 dec
If cylindrical part of tank is 50 feet long and tank's volume is 9504p cubic feet, determine common radius of cylinder and hemispheres.
Describe clearly and briefly what "95% confidence" means. Is study good evidence that needing values affirmation training of all female students would greatly decrease gender gap in scores on scienc
Analyze distribution of data. What feature of distribution throws doubt on validity of statistical inference? Plot percents against year.
If they wish to make 50 pounds of mixture and sell for $1.92 per pond, how many pounds of each will they require to mix together?
Coming back against current, his normal rate is decreased by 2 mph. If trip downstream takes 10 minutes and return trip takes 30 minutes, then how far is Barry's camp from fishing hole?
Tara paid one-half of the lottery winnings to government for taxes. If she earned the total of $4000 on two investments in 1 year, then how much she won in lottery?
Trevor has the certain amount of money invested in the bank paying 2% annual interest and twice that amount in the CD paying 4% annual interest.
Julio owns the 4-sided lot which lied between two parallel streets. If his 90,000 ft2 lot has 500 ft frontage on one street and 300 ft frontage on other, then how far apart are streets?
Determine expression for power supplied if E= 9.33 at the angle of 82.2 volts and i=.0354 at the angle of -14.5 amperes. Determine power = in watts.
In the alternating current circuit voltage E is provided by E=IZ, where I is current (in A) and Z is impedance in ohms. If I is 0.609-.408j amperes and Z=220+150j ohms, determine complex number exp
For polynomial, write each real zero and its multiplicity. Find out whether graph crosses or touches x-axis at each x -intercept. f(x) = 4(x + 3)(x - 1)^3
Author is paid royalties of 10% on first 10,000 copies sold, 12.5% on next 5000 copies, and 17% on any additional copies. Determine the piecewise-defined function R which specifies total royalties i
Assume he can row at the rate of 3 mi/hr and can walk at the rate of 5 mi/hr. If T is total time required to reach house, state T as the function of x.