How can expressions be written and evaluated to solve for unknowns in the real world?
Writing expressions requires figuring out which quantity in a situation is unknown, and define a variable to represent that quantitiy.
We look for words in the problem that will help us out what kind of operation to use in a given situation.
Example:
Donna bought 5 chocolate bars, and then ate some. Write an expression to represent how many chocolate bars Donna has left.
If we let the variable c represent the number of chocolates Donna has eaten, then we can write the expression on how many bars Donna has left as: 5 - c
Answer:
45in - 10in = 35in
Step-by-step explanation:
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Answer:
BlueSky06
2, 4, 5, 5, 6, 6, 7, 7, 7, 8, 8, 9, 9, 10
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Step-by-step explanation:
The value of the expression (2)^6 is 64.
