sweetysiri92
Asked:
December 2022
A helicopter travels east at 45 mi/hr, then turns north at 40 mi/hr. if the total trip takes 5.0h and the helicopter ends at a point 150 mi north of east of the starting point, how long was each part of the tripand the answer is 2.0h,3.0h;2.4h,2.6h
sweetysiri92
Asked:
December 2022
by checking only the equation and the coefficients, determine the smallest and largest possible rational roots of the equation 2x^4+x^2-22x+8=0
sweetysiri92
Asked:
December 2022
A political candidate plans to spend no more than $9000 on news paper and radio advertising with no more than twice being spent on newspaper ads at $50 each than radio ads at $150 each. it is assumed each newspaper ad is read by 8000 people and each radio ad...
sweetysiri92
Asked:
December 2022
In analyzing the forces A,B,C and D the following equations are used. find these forces? A+B=850A+B+400=0.8C+0.6D0.6C=0.8D5A-5B+4C-3D=0
sweetysiri92
Asked:
December 2022
a jet travels at 610 mi/hr relative to the air. it takes the jet 1.6h longer to travle the 3660 mi from London to Washington DC against the wind than it takes from Washington to London with the wind. find the velocity of the wind?
sweetysiri92
Asked:
December 2022
A wrench is dropped by a worker at a construction site.four seconds later the worker hears it hit the ground below. how high is the worker above the ground? (the velocity of sound is 100 ft/sec and the distance the wrench falls as a function of time is s=16t^2)
two jets are 2370 km apart and travelling toward each other, one at 720 km/hr and the other at 860 km/hr. how far does each travel before they pass
sweetysiri92
Asked:
December 2022
in a marketing survey, a company found that the total gross income for selling t tablets at a price of p dollars each was $35,000. it then increased the price of each table by $100 and found that the total income was only $27,000 because 40 fewer tables were sold....
A plane takes off from Winnipeg and files east as 620km/hr. at the same time a second plane off from the surface of Lake Winnipeg 310 km due north of Winnipeg and files due north at 560 km/hr for how man hours are the planes less than 1000 km apart
sweetysiri92
Asked:
December 2022
how much 100% fire-fighting foam concentrate must be added to 1000 L of a 2.0% solution to make a 4.0% solution
sweetysiri92
Asked:
December 2022
Each of three revolving doors has a perimeter of 6.60 m and revolves through a volume of 9.50 m^3 in one revolution about their common vertical side. what are the door's dimensions
sweetysiri92
Asked:
December 2022
For electrical resistors connected in parallel the reciprocal of the combined resistances equals the sum of the reciprocals of the individual resistances. if three resistors are connected in parallel such that the second resistance is 1.40 mega ohm more than the first and the third is 5.60 mega ohm more...
sweetysiri92
Asked:
December 2022
A jet travels at 610 mi/hr relative to the air. it takes the jet 1.6h longer to travle the 3660 mi from London to Washington DC against the wind than it takes from
sweetysiri92
Asked:
December 2022
what volume of each of a 20% acid solution and a 50% acid solution should be combined to from 48 mL of a 25% solution