Mathematics, 03.12.2019 22:31 wiltseliz4800
1. in a music stadium, there are 18 seats in the first row and 21 seats in the second row. the number of seats in a row continues to increase by 3 with each additional row.
(a) write an explicit rule to model the sequence formed by the number of seats in each row. show your work.
(b) use the rule to determine which row has 120 seats. show your work.
, i'm so bad at algebra!
Answers: 1
Mathematics, 21.06.2019 18:50
Astudent draws two parabolas on graph paper. both parabolas cross the x-axis at (-4, 0) and (6,0). the y-intercept of thefirst parabola is (0, –12). the y-intercept of the second parabola is (0-24). what is the positive difference between the avalues for the two functions that describe the parabolas? write your answer as a decimal rounded to the nearest tenth.
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Mathematics, 21.06.2019 21:30
Suppose that sahil knows that 45 people with ages of 18 to 29 voted. without using a calculator, he quickly says then 135 people with ages of 30to 49 voted. is he correct? how might sohil have come up with his answer so quickly?
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Mathematics, 21.06.2019 23:30
Ana earns 2.5% simple interest on $2,000 in her savings account. she does not make any deposits or withdrawals. after 3 years, how much interest will ana have earned on her savings account?
Answers: 1
1. in a music stadium, there are 18 seats in the first row and 21 seats in the second row. the numbe...
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