Suppose the scores on a history quiz are normally distributed with a mean of 73 and a standard deviation of 4.
1 answer:
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Answer:
and 20.5x
and 6.2y
Step-by-step explanation:
-3-x/5+6.2y+20.5x-3/8y
We are given an expression with 5 terms
The terms that has same variables with same exponent are like terms. WE combine only like terms. Constants are also like terms.
In the given expression , the fractions and 20.5x have same 'x' . so they are like terms. we can combine these terms.
the fractions and 6.2y have same 'y' . so they are like terms. we can combine these terms.