INTEGER

Algebra Level 1

Katherine is very interested in cryogenics (the science of very low temperatures). With the help of her science teacher she is doing an experiment on the affect of low temperatures on bacteria. She cools one sample of bacteria to a temperature of -51°C and another to -76°C. What was the temperature difference in the two experiments?


The answer is 25.

Akash Dhasmana by akash dhasmana , 20, India

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4 solutions

Maya Patil
Apr 6, 2014

(_51)-(-76)=25

2 Helpful 0 Interesting 0 Brilliant 0 Confused
Vince Policarpio
Apr 12, 2014

abs(51-76) = 25. (Q.E.D.)

1 Helpful 0 Interesting 0 Brilliant 0 Confused

the different never negative /(-56)-(-76)/=25 the absolute of -56 subtract -76 is 25

0 Helpful 0 Interesting 0 Brilliant 0 Confused
Yomna Kilany
Apr 17, 2014
  • (-51) -(-76)= -51 +76 = 25 (because negative * negative = possitive ) (Req.)
0 Helpful 0 Interesting 0 Brilliant 0 Confused

too easy

Krishna Ramesh - 7 years, 1 month ago

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Yeah...

Smit Kiri - 7 years, 1 month ago

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