Answer:
24
Step-by-step explanation:
1,15,3,5.
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She bought it at a 15% discount because 15 percent of 40 is 6 and 40-6=34
The two rational expressions will be; (x + 2)/(x² - 36) and 1/(x² + 6x)
<h3>How to simplify Quadratic Expressions?</h3>
We want to determine the two rational expressions whose difference completes the equation.
The two rational expressions will be;
(x + 2)/(x² - 36) and 1/(x² + 6x)
Now, this can be proved as follows;
Step 2 [(x + 2)/(x² - 36)] - [1/(x² + 6)]
= [(x + 2)/(x + 6)(x - 6)] - [1/(x(x + 6)]
Step 3; By subtracting, we have;
[x(x + 2) - (x - 6)]/[x(x + 6)(x - 6)]
Step 4; By further simplification of step 3, we have;
[x² + x + 6]/[x(x-6)(x + 6)]
Read more about Quadratic Expressions at; brainly.com/question/1214333
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Answer:
8,280 watt hours
Step-by-step explanation:
1440/24 = 60 watt hours per hour
5*24=120 hours in 5 days
120+18=138
138*60=8,280 watt hours
Answer:
7 1/2
Step-by-step explanation:
2 1/2 times 3 is 7 1/2
