A notebook costs $4.50 plus sales tax. After sales tax, the notebook is $4.86. What is the sales tax rate?
2 answers:
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<h3>Answer: 1</h3>
Explanation:
The original expression is the same as since
The degree of any polynomial is always the largest exponent. This applies to single variable polynomials only.
Therefore, the degree of is 1. This is a linear polynomial, and it's also a binomial since it has 2 terms 17x and 4.
Answer:
8
Step-by-step explanation:
Recall the formula for the population mean of a data set:
We already know that μ is 6 and the sum is 48. Substitute:
Divide both sides by 48:
Reciprocal of both sides:
Thus, there are 8 scores in the population size.
And we're done!