The answer is 81, i hope this helped
Answer: 12x+18y ≤ 60
Step-by-step explanation:
Hi, to answer this question we have to write an inequality with the information given:
The product of the time that takes to do an oil change (12) and the number of oil changes(x); plus The product of the time that takes to do a tire change (18) and the number of tire changes; must be less or equal to 60 minutes (time available).
12x+18y ≤ 60
Feel free to ask for more if needed or if you did not understand something.
Answer:
87
Step-by-step explanation:
<u>First method</u>:
- Open Excel and enter 360, 353 and 346 in column A (below each other)
- Select all 3 cells and drag the bottom-right square down to row 40.
<u>Second method</u>:
- Use the equation t(n) = 360-7(n-1)
- Solve for n=40
- t(40) = 360 - 7*39 = 87
Answer:
the value of x is 2
Step-by-step explanation:
because if you make x=18 than you multiply it times the other 18 then you get 324π cm², which is too much.
so if you subtract 2 from both the substituted x and the 18 to get 16² which is equal to 256, after that you multiply the leftover values which is 2 and 2 which equal 4
after that you simply add the 4 to 256 and you get 260π cm²
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