3 years ago

You now have entered the math zone

Mathematics

2 answers:

Ostrovityanka [42]3 years ago

4 0

Answer:

12-12, it's a decrease so you subtract.

IrinaVladis [17]3 years ago

4 0

I believe it would be 12-12

Explanation:
It said the original temperature was 12 and that it decreased by 12 so fill in subtraction sign instead of decreased and you would have 12-12

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NeX [460]

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2 years ago

Simplify the sum. d^2-9d+20/d^2-3d-10 plus d^2-2d-8/d^2+4d-32

dimaraw [331]

For this case what you should do is follow the following steps:
1) factorize numerator and denominator of both expressions.
2) cancel similar terms
3) add both fractions by cross product
4) Rewrite the numerator and denominator.
Answer:
See attached image.