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3 years ago

Help please urgent ppleeeaseeeeeeeeeee

Mathematics

2 answers:

jeyben [28]3 years ago

8 0

Answer:

114

Step-by-step explanation:

You will need to multiply L x W and then add them all

o-na [289]3 years ago

8 0

Answer:

174

Step-by-step explanation:

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What is the coefficient of the third term in the binomial expansion of (a + b)6? 1 15 20 90

Sholpan [36]

Answer: 15

Step-by-step explanation:

(r+1)th term of $(a+b)^n$ is given by:-

$T_{r+1}=\ ^nC_r(a)^{n-r}b^r$

For $(a+b)^6$ , n= 6

$T_3=T_{2+1}=\ ^6C_2(a)^{6-2}(b)^2\\\\$

$=\ \dfrac{6!}{4!2!}a^4b^2\ \ \ [^nC_r=\dfrac{n!}{r!(n-r)!}]\\\\=\dfrac{6\times5\times4!}{4!\times2}a^4b^2\\\\=3\times5a^4b^2\\\\ =15a^4b^2$

Hence, the coefficient of the third term in the binomial expansion of $(a+b)^6$ is 15.

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3 years ago

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Answer:

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3 years ago

Eva and Ola have some amount of money,

hram777 [196]

Answer:

£19

Step-by-step explanation:

Cheryl = 7 + 5 = £12

this means ova and eva also have £12 at the end

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The table shows transactions from five different bank accounts.

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Answer:

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