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4 years ago

What is 8 1/2 +7 1/4= ?

2 answers:

7 0

15 3/4 would be the fraction answer

Oliga [24]4 years ago

5 0

The correct answer is 15.75

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gladu [14]

Answer:

Remember, the expansion of $(u+v)^n=\sum_{k=0}^n\binom{n}{k}u^{n-k}v^k$ .

Then,

$(u+v)^8=\sum_{k=0}^8\binom{8}{k}u^{8-k}v^k$

a) since $u^{8-k}=u^2$ , then $8-k=2, k=6$ . Therefore, the coefficient of $u^2v^6$ is $\binom{8}{6}=28$

b) $u^3v^5=u^{8-k}v^k$ . Then k=5 and the coefficient of the term is $\binom{8}{5}=56$

c) $u^4v^4$ , then k=4 and the coefficient of the term is $\binom{8}{4}=70$

8 0

3 years ago

lys-0071 [83]

M/2 - 5 = 3
M-2 /5= 6
M=6+2 /5
So the answer is the first equation

7 0

3 years ago

Paladinen [302]

Answer:

I think its 86

Step-by-step explanation:

I used a calculator.

7 0

3 years ago

faltersainse [42]

13 adults and 10 children

7 0

3 years ago

USPshnik [31]

1- it’s

2- it’s

3- let’s

4- one’s

5- he’s

5 0

3 years ago