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schepotkina [342]
3 years ago
15

10+8k<-30 and 5k-12>67

Mathematics
1 answer:
Svet_ta [14]3 years ago
7 0

Answer:

k•(8k3-5k2+5k-5)•(k+1)•(23k2-30k-6)

 ———————————————————————————————————

           2•(3k5-50k4-5)  

Step-by-step explanation:

You should get this sorry if I am wrong but I am pretty sure this is the answer.

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A company used about 7.4 x 105 sheets of paper in a month. Of the paper used during the month, the accounting department used ab
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3 years ago
in the three stacks of books there are 15 books, 9 books and 9 books if the books were rearranged so that the stack had the same
zepelin [54]

Answer:

<u>There would be 11 books in each stack, to have the same number.</u>

Step-by-step explanation:

1. Let's review the information given to us to answer the question correctly:

Books in stack 1 = 15

Books in stack 2 = 9

Books in stack 3 = 9

2.  If the books were rearranged so that the stack had the same number of books how many books would be even?​

Total books = Books in stack 1 + Books in stack 2 + Books in stack 3

Total books = 15 + 9 + 9

Total books = 33

Total books/Number of stacks = Number of books per stack to be the same

33/3 = Number of books per stack to be the same

<u>Number of books per stack to be the same = 11</u>

3 0
3 years ago
On average, a pair of bike tires can last 18 months if used every day. The length of time bike tires can last is exponentially d
aleksandr82 [10.1K]

Answer:

We conclude that eighty percent of bike tires last at most 14.4 months.

Step-by-step explanation:

We know that a pair of bike tires can last 18 months if used every day.

We calculate how much eighty percent of the tire will last in months.

We have the following proportion:

18:100\%=x:80\%\\\\100x=18\cdot 80\\\\100x=1440\\\\x=\frac{1440}{100}\\\\x=14.4

We conclude that eighty percent of bike tires last at most 14.4 months.

5 0
3 years ago
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Answer:

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6 0
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