Answer:
<h3>Step-by-step explanation:
Distribute 2 through the parentheses
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Move constant to right hand side and change it's sign
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Calculate
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Divide both sides of the equation by 12
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Calculate
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Hope I helped!
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A store is having a sale on walnuts and chocolate chips. For 3 pounds of walnuts and 5 pounds of chocolate chips, the total cost
1 answer:
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Answer: 3026
30
Step-by-step explanation: Average sum of the female and male's test score is the sum of expected value of each gender:
Assuming x represents the random male selected and y represents the random female selected:
3026
The average sum of their scores is 3026.
Average difference is the difference between the expected value (mean) of each gender:
1528 - 1498
30
The average difference of their scores is 30.