This is how I set up my system... but I can't solve it getting the right answer. Let a= helicopter's speed and w=wind speed 1.5(a+w)=300 3(a-w)=300 I...
This is how I set up my system... but I can't solve it getting the right answer. Let a= helicopter's speed and w=wind speed 1.5(a+w)=300 3(a-w)=300 I...
You invest $7200 in two accounts paying 6% and 10% annual interest. At the end of the year the accounts earn the same interest. Set up a system and solve for how much was invested at each rate&nb...
A basketball player scored 40 points in a game. The number of three-point field goals the player made was 22 less than three times the number of free throws (each worth 1 point). Twice the number...
Consider the following two systems -6x-y=2 2x-9y=3 -6x-y=3 2x-9y=2 Find the inverse of the (common) coefficient matrix of the two systems. A-1=...
The perimeter of a triangle is 19cm. If the length of the longest side is twice that of the shortest side and 3cm less than the sum of the lengths of the other two sides, find the lengths of the three...
Glenn has a total of $11,600 invested in three accounts: a savings account paying 6% interest, a stock playing 8%, and a mutual fund paying 10%. The annual interest from the stock and mutual...
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Help? Systems..
Consistent or inconsistent? y = 2x + 5 -2x + y = -2