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A rock is thrown upward from the edge of a 50 m cliff overlooking Lake Superior, with an initial velocity of 17.2 m/s. Define variables and write an equation that models the height of the rock.
The daughter weighs 85lbs, and son weighs 115lbs. How can they all get across in fewest number of trips.
Flying into the wind, a helicopter takes 15 minutes to travel 15 kilometers. The return flight takes 12 minutes. The wind speed remains constant during the trip. Find the helicopter's average speed
A ball is thrown upward from ground level with initial velocity of 64 ft per second. In how may seconds will ball reach given height?
Known problems with spyware infections on their computers or network. With regards to Mr. Smith's attempts to contact his clients for information about infections, find the population?
Find an equation of the line having the specified slope and containing the indicated point. Write your answer in slope-intercept form. m=-4; (-6, 6)
It was agreed that these four must not have to pay for lunch. The other students had to pay $1 more than if all students had paid. How many students had lunch?
Lars split a rectangle into 8 equal parts and shaded 6 parts.Mick split a congruent rectangle into 12 equal parts and shaded 8 parts. Do the two rectangles show equivalent fractions?
He wants to trim least amount off each piece. which measurement must lumber store use to cut pieces?
Assume you purchase $1 lottery ticket in anticipation of winning the $9 million grand prize. Compute your expected net winnings for single ticket.
The shifts must not over lap, and all shift durations must be whole number of hours. Explain the different ways this can be done.
A car leaves a town 20 minutes after a truck leaves. The speed of the car is 10 miles per hour greater than the truck. After traveling 100 miles the car overtakes the truck. Find the average speed o
It is now April, and he can pay all except $200. Estimate the progress and explain results in one two sentences.
Determine the two-digit numeral whose units' digit is 5 more than its tens' digit and whose value equals 3 times the sum of these digits
Find the largest number which has a both red and a blue spot? How many numbers have neither blue or a red spot?
Determine the probabilities that among 15 persons given medication: at most 2 will get very drowsy within 2 minutes. At least 5 will get very drowsy within 2 minutes.
Plot GNP growth rates. The reduction in volatility, starting in 1980s, is referred to as great moderation in economic literature.
Two sides of a triangle have the same length. The third side measures 5 m less than twice the common length. The perimeter of the triangle is 19 m. What are the lengths of the three sides?
Assume you roll two standard number cubes, what is the theoretical probability of getting a sum of 7?
Write down the equation in slope-intercept form of the line that has a slope of -5 and a y-intercept of 2.
At constant distance r, determine the rate at which S changes with respect to t for C = 1.71 105, R = 1.4 10-2, and dR/dt = 1.0 10-5.
Website B has been monitored for one year and shows y hits per month. The total number of hits for both websites is 80,000. Write down an equation to represent the total of the two websites, the solve
Determine mean and standard deviation for numbers of girls that would occur in groups of 150 births. Is result of 100 girls unusual?
You've $24.00 to purchase grapes and strawberries for party. Grapes cost $1.50 per pound and strawberries cost $2.00 per pound. What are three different amounts of grapes and strawberries which you