Mathematics, 25.09.2019 16:00 mary4228
Marie was trying to show her friend why -3 × -8 equals a positive product. this is what she wrote:
-3 × 0 = 0
-3 × = 0
-3(8) + -3(-8) = 0
-24 + 24 = 0
what should marie write in place of the question mark?
a. 8 + 8
b. -8 + (-8)
c. 8 + (-8)
d. -8 + 0
Answers: 1
Mathematics, 21.06.2019 19:00
Since opening night, attendance at play a has increased steadily, while attendance at play b first rose and then fell. equations modeling the daily attendance y at each play are shown below, where x is the number of days since opening night. on what day(s) was the attendance the same at both plays? what was the attendance? play a: y = 8x + 191 play b: y = -x^2 + 26x + 126 a. the attendance was never the same at both plays. b. the attendance was the same on day 5. the attendance was 231 at both plays on that day. c. the attendance was the same on day 13. the attendance was 295 at both plays on that day. d. the attendance was the same on days 5 and 13. the attendance at both plays on those days was 231 and 295 respectively.
Answers: 1
Mathematics, 21.06.2019 21:20
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Mathematics, 21.06.2019 21:30
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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?
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Marie was trying to show her friend why -3 × -8 equals a positive product. this is what she wrote: <...
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