Someone please help with math assignment homework?

Posted on 2015-01-08 06:03:00 in Math by LANCY

Task 1: Solve using 2 different methods. Explain your work

A. 3x - 9y =3
6x -3y = -24

B. 7x -3y =20
5x +3y = 16

C. y= (1/2)x -6
2x + 6y =19

Task 2: Solve in the picture ^

The triangle on the left has a perimeter of 14. The triangle on the right has a perimeter of 21. What are x, and y ?

Task 3: A town is organizing a 4th of July parade. There will be 2 sizes of floats in the parade. A space of 10 ft will be left after each float.

a. the parade must be at least 150 feet long, but less than 200 ft long. What combinations of large and small floats are possible?

b. Large floats cost $600 to operate. Small floats cost $300 to operate. The town has a budget of $2500 to operate the floats. How does this change the answer to part (a)? What combinations of large and small floats are possible?

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