Only # 12 and 15!!! please help i don't understand !
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Answers: 1
Mathematics, 21.06.2019 19:00
What is the expression in factored form? 225x^2 - 144 a. 9(5x+4)^2 b. 9(5x-4)^2 c. 9(4x+5)(4x-5) d. 9(5x+4)(5x-4)
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Mathematics, 21.06.2019 19:30
Look at this pattern ; 1,4,9, number 10000 belongs in this pattern . what’s the place of this number?
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Mathematics, 21.06.2019 21:30
Aculture started with 4,000 bacteria. after 5 hours, it grew to 5,200 bacteria. predict how many bacteria will be present after 19 hours. round your answer to the nearest whole number.
Answers: 1
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