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If two resistances connected in parallel have the combined resistance of 15.0 ohms and same two resistance have the combined resistance of 64 ohms when connected in series, determine resistances?
Determine point in second quadrant at which graph of quadratic function f(x) = 3x^2-3 intersects graph of linear function g(x) = 15 x + 39.
The community bird-watching society makes and sells simple bird feeders to increase money for conservation activities. What price must society charge for every feeder to maximize profits
The skateboarder free-fell 28 ft onto the ramp. Find skateboarder's velocity at moment he touched down onto ramp. Skateboarder's velocity is approximately ft/sec.
Assume p(x)=x^2+7x+9 and q(x)=9x^3-3x+10. Write indicated expression as the polynomial. (8p+9q)(x). Compute all real numbers x such that x^4-6x^2-16=0
Annual yield per walnut tree is fairly constant at 50 pounds per tree when number of trees per acre is 30 or fewer. Write total yield for the acre T, in pounds as the function of number of walnut tree
Ball is tossed straight up from edge of the 47 foot high building, with the initial upward velocity of 20 feet/second. Its height in feet after t seconds is. Find out how long before it reaches its
In the college meal plan you pay the membership fee, then all of the meals are at the fixed price per week. Write the formula for cost of meal plan, C , in terms of number of meals, n .
The new homeowner requires to put up the fence to make his yard secure. Area of yard is 4000 sq ft. He has enough material for160 ft of fence. Determine length and width of yard.
From the point 1500 feet closer to mountain along plain, they discover that angle of elevation is 33 degrees. Find out how high is mountain in feet?
Determine reference angle of -3/10 radians in radians? Angles of depression are found to be 26 degrees and 28 degrees. How high (in feet) is ballon?
Express the equation in terms of x which finds out how much water must be added to x liters of the 18% acid solution to decrease concentration to 15%?
The car travels for the total of 10 hours. Car averages 60 miles per hour for x hours and averages 70 miles per hour for rest of time. Write total distance traveled by car in terms of x.
If every exam is worth 20% of overall score, and final exam is worth 40% of overall score, write the expression for student's overall score if student gets the score of x on final exam.
If both copiers are utilized, they can complete activity in 72 minutes. How long it takes every machine to finish task when working alone?
Ship A leaves the port sailing east at 15 miles per hour. Two hours later, ship B leaves port sailing south at 20 miles per hour. Write distance D between ships in terms of t , where t is number of
Equation of a line which goes through point ( 6 ,6 ) and is perpendicular to line 2 x + 3 y = 3 can be written in form y = mx+b
If possible express the following equation in the slope-intercept form. 7 x - 19 y + 4 = 0. Compute value of m when written in slope-intercept form? If equation can't be written in slope-intercept for
Determine slope of through (-4, 5) and (-2,-8)? If slope is undefined, write undefined. Determine slope of line through (2, 9) and (2,10)? If slope is undefined, write undefined.
Find selling price PV, per $1,000 maturity value, of bond. Meg's pension plan is the annuity with the guaranteed return of 6% per year (compounded quarterly).
The helicopter hovers 1830 feet above the island. Angle of depression from helicopter to the point on coast is 38 degrees. Determine distance of island from coast in feet?
Suppose sequence is arithmetic. Determine function a(n) which explains sequence and determine 19th term of sequence
Determine present value PV of annuity necessary to fund withdrawal given. (Suppose end-of-period withdrawals and compounding at same intervals as withdrawals.)
Determine exponential growth function. Determine population be after 7 days? After 2 weeks? Compute the doubling time.
The department store has two locations in the city. From 2004 through 2008, profits for each of store's two branches are modeled by functions. Determine the slope of f? Explain what this means.