Ashley’s math average decreased 12 points to 78. Then she completed an extra credit assignment and raised her final average by 5
3 answers:
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Answer:
Step-by-step explanation:
<h3> The exercise is: " EvaluateGiven the following expression:
You can follow these steps in order to evaluate it:
1. Substitute and
into the expression provided in the exercise:
2. Solve the multiplications. Remember that:
Then:
3. Reduce the fraction. Notice that the numerator 6 and the denomiantor 4 can be both divided by 2. Then:
4. Solve the addition:
Since the number 21 has a denominator 1, the Least Common Denominator is:
Then, the sum is: