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Rudiy27
3 years ago
8

(2+5)(3²+4−3) please help and please show how you did it

Mathematics
2 answers:
11Alexandr11 [23.1K]3 years ago
7 0
I think that it is 70???
nikklg [1K]3 years ago
4 0

Answer:

70

Step-by-step explanation:

(2+5)=7 , (3*3+4-3)=10 then (7)(10)= 7*10=70

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Answer:

4.5 \times 10^{9} tons.

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Step-by-step explanation:

Last year, the world produced 3.5 billion tons of cement and that amount could increase by a billion tons by the year 2050.

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3 years ago
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Step-by-step explanation:

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