2. Write two equations for this problem. Then, use the two equations to solve the system. Kim is selling pies for a school fundraiser. She sold 6 pecan pies and 4 chocolate pies and earned $104. The cost for a chocolate pie is one more dollar than the pecan pie. How much does each pie cost?

answer: a

step-by-step explanation:

(-1,-0.5)

step-by-step explanation:

answer: an 8-foot rope is tied from the top of a pole to a

stake in the ground, as shown in the diagram

below

step-by-step explanation:

hello from mrbilldoesmath!

answer:

(7 x + 6 y) (49 x^2 - 42 x y + 36 y^2)

discussion:

the trick is to recognize that 343 = 7^3 and 216 = 6^3 and, in general,

a^3 + b^3 =   (a + b) (a^2 - a b + b^2).

in our case

343x^3+216y^3   =   (7x)^3 + (6y)^3

so take a = 7x and b = 6y in the above equation to get the answer.

you,

mrb