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3 years ago

Given that AB:BC is 4:3 and AC = 56. Find AB. A B

Mathematics

1 answer:

Phantasy [73]3 years ago

3 0

Answer:

ab=32

Step-by-step explanation:

ab:bc

4:3

abc= 56

4+3=7

56÷7=8

ab= 8x4=32

bc=8x3=24 #

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2 years ago

Determine the commutators of the operators a and a+,where a = (x + ip)/2 ^1/2 and a+ = (x - ip)/ 2 ^1/2

Vsevolod [243]

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Given that:

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$aa^+ = (\frac{x+ip}{2})^{\frac{1}{2}} (\frac{x-ip}{2})^{\frac{1}{2}}$

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3 years ago

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Hey! So, here's a tip. When writing exponents, an easier way is to write a^b, rather than a to the b power. Besides that, here is your answer!

So-------

9^3=729

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Now that we have that figured out, we can add them together, wish is simple. 729 + 9 + 216 + 225= 1,179.

Therefore, your final answer will be 1,174.

If you have any questions on this, I'm happy to help you. :)

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