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Against the wind the commercial airline in South Africa flew 1080 miles in 4.5 hours. With tailwind the return trip took 4 hours. What was they speed of plane in still air? What was the speed of the
Determine the third of three consecutive integers if the third intgers if the third intger added twice the first integer equaks 99 minus the second integer.
Determine the percent of change. Where necessary, round to the nearest percent. Explain the percent of change as a percent of increase or decrease. 57,000 people to 97,000
If she has 25 students, how many girls and how many boys does she have in class? Use proportions, rates and scale to solve problem.
Compute the expression in index forum for the following questions gXgXgXgxgXgX
Determine the slope m of the line that passes through the points (3, -8) and (-7, -4).
Another cell phone service charges $0.05 per minute with $20 activation fee. Determine the number of minutes for which two cell phone services charge same amount
Determine probability that (a) exactly five typographical error are found on page, (b) at most five typographical errors are found on page (c) more than five typographical error are found on page.
As there are 450 students in senior class which may be eligible to go on trip, officers rent to minimize transportation costs? Find the minimal transportation costs?
Judy used this division strategy to calculate how much money each person should get. Can you figure out how the strategy works.
If repetition of digits is permitted, but repetition of letters is not permitted, find out number of different passwords which can be made.
You measure speed of three cars traveling along this stretch of highways as 62 mph, 47 mph, and 56 mph. Determine z-score which corresponds to each speed. Determine which car had a relatively faster
Find the percent of change when the price of a radio changes from $40.00 to $44.00.
Find the rate of change of angle of elevation between balloon and the observer 100 feet away from corner when balloon is 100 feet high?
Find critical numbers for function f(x)=(x+6)^10 and then use second derivative test to make decision whether critical numbers lead to relative maxima or relative minima.
Cowling's Rule for child sized doses of medication. adult dose 400mg ibuprofen; 7 year old child 1200mg adult,200mg child
Determine the range of the function for given domain. f(x)=2x+4;{-2, -1, 0, 1,2}
Write down the standard form of an equation of the line that passes through (3, 5) and has a slope of -3/4
Set of data is normally distributed with mean of 500 and standard deviation of 100. Find standard score for score of 433?
Write down the polynomial in factored form.
Find out minimum furnance output for 2300 ft sq modern house b) Solve formula for a. Find the minimum furnance output
Determine the length of ski lift from beginning of ski lift to top of mountain to the nearest hundredth of a mile.
If the volume of the box is 832cm^3, what were the dimensions of the original piece of metal?
Convert equation 25x^2+100y^2-450x+1800y+7625=0 into standard ellipse equation form
At a point on the ground 24ft from the base of a tree, the distance to the top of the tree is 6 ft more than 2 times the height of the tree. Find the height of the tree.