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klio [65]
2 years ago
12

Find the second term of the binomial expansion (a-1)^3

Mathematics
1 answer:
gtnhenbr [62]2 years ago
6 0

Answer:

(a - 1) ^{3}  \\  {a}^{3}  -  {1}^{3}  \\ a  {}^{3 }  - 1

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Help on this thx for helping if you did
vichka [17]
To evaluate two fractions being divided, you must turn the right fraction into a reciprocal. That means you must put the bottom number at the top and then put the top number on the bottom (you’re basically switching them).

8/13 / 3/2

Now, once you turned the other number into a reciprocal, you multiply across. The top number times the other top number and do this to the bottom numbers, too.

8/13 * 3/2 = 24/26

You found the answer, 24/26. But as you can see, it’s not one of the choices. That’s because you need to simplify.

24/26 / 2/2 = 12/13

12/13 is your answer, or choice C!

I hope this helped. Comment below if you have any questions.
6 0
4 years ago
Which equation represents the line that is perpendicular to the graph
ella [17]

Answer:

Here look at this graph this is your answer.

7 0
3 years ago
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kirill [66]
Well how do you think i feel ?
3 0
3 years ago
At a concession​ stand, seven hot dog(s) and two hamburger(s) cost ​$15.25​; two hot dog(s) and seven hamburger(s) cost ​$14.00.
Murrr4er [49]

Answer:

Burgers: $1.50

Hotdogs: $1.75

Equation Check:

(1.75x7) + (1.50x2) =

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(1.75x2) + (1.50x7) =

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8 0
3 years ago
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Please help me i need help
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Answer:

Step-by-step explanation:

dam harder than my 9th grade test coming up

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