3 years ago

Evaluate A 2 - B 2 for A = 4 and B = -5.

Mathematics

1 answer:

nikdorinn [45]3 years ago

4 0

8+-10=-2 you multiply and combine the variables and numbers.

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2 years ago

7/12 - 3/8=? Please help if you can also if you could give me a few tips tricks and pointers on adding and subtracted fractions

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So basically when you are adding or subtracting fractions the denominators the number on the bottom of the fraction 12 in this case and 8 as well the two denominators sharing the least common multiple so what is the lowest multiple of 12 and 8 so count off 12: 12, 24, 36... 8: 8, 16 , 24 does that help?

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