Replace x with and simplify
2x - 10
~Zane
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Answer:
27.20seconds
Step-by-step explanation:
hope this helped,brainliest?
The cost for each pound of trail mix and each pound of jelly is given below.
Step-by-step explanation:
Let t = cost/pound of trail mix
Let j = cost/pound of jelly beans
5t + 6j = 35
3t + 2j = 15 = > 2j = 15 - 3t
5t + 3(15 - 3t) = 35
5t + 45 - 9t = 35
- 4t + 45 = 35
- 4t = - 10
4t = 10
t = 2.5
3(2.5) + 2j = 15
7.5 + 2j = 15
2j = 7.5
j = 3.75
To estimate:
99.1 can be approximated by 100-1%
11.2 can be approximated by 11.1+1%
So 99.1*11.2 can be approximated by (100*11.1)-1%+1%=1110
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