Jocelynlboyd123
12.02.2021 •
Mathematics
Taelor and Kael earn $50 for each lawn they mow. This month, they mowed 4 lawns. They
also earn $35 for each driveways they power wash. This month, they earned a total of
$480.00. How many driveways did they power wash?
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Ответ:
Traders have invested $ 100,000 in the Peace Garden Center to boost the capital Mogadishu and make a profit. looga farm income to make people come to the door to take the free tickets for different values $ 0.8 adults and 0.6 children. As many as 150 tickets were sold on Friday for $ 102. produce more child tickets than adult tickets?
Ответ:
The symbol, ∑ is a summation sign that drills us to sum the elements of a sequence. The variable of summation is represented by an index that is placed under the summation sign and is often embodied by i. The index is always equal to 1 and adopt values beginning with the value on the right hand side of the equation and finishing it with the value over head the summation sign. So in the expression ∑4i = 0(5)(1/3)i will be the same as:
∑4i = 0(5)(1/3)i
= (1/3)⁰ + (1/3)¹ + (1/3)² + (1/3)³ + (1/3)⁴ + (1/3)⁵
= 364/243
It means in the expression that the term 1/3 is added 5 times raising from a value of 0 until 5 and so you will have an answer of 364/243.