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MaRussiya [10]
3 years ago
15

10 POINTS! HELP ITS DUE SOON!!

Mathematics
1 answer:
Naddika [18.5K]3 years ago
8 0

Answer:

10

Σ [n^2]

i=1

Step-by-step explanation:

Hope I helped? I inserted it into a calc and I also got 385 for something if its useful))

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The coefficient of the second term in the expansion of the binomial (4x+3y) to the 3rd power
kaheart [24]
You can solve this easily by using Pascal's Triangle (look that up if need be).

Here are the first four rows of P. Triangle:

                 1
           1           1
     1          2          1
1        3            3       1
 
 example:  expand (a+b)^3.
 
 Look at the 4th row.  Borrow and use those coefficients:
 
 1a^3 + 3 a^2b + 3ab^2  + b^3

Now expand (4x+3y)^3:

1(4x)^3 + 3(4x)^2(3y)  + 3(4x)*(3y)^2 + (3y)^3

Look at the 2nd term (above):

              3(4x)^2(3y)   can be re-written as 144x^2y.
 
The coeff of the 2nd term is 144.  Note that (4)^2 = 16    
3 0
3 years ago
Neeeeeed help not sure please help asap
lyudmila [28]
The correct answer is c

(it is 3 times the sum of 6 + 5 not 3 times 6 like a is suggesting)
3 0
3 years ago
Write it in terms of x and y...
zimovet [89]
That would mean we're doubling the number of peanuts to get raisins. So, we would have 2x+y for the total amount.
7 0
3 years ago
I need help :( this problem is very confusing
Sladkaya [172]

Answer:

Emily ,  don't put your whole name in the questions :DDDD, it's at the top of the page, anyway,     Eloper   .. :DDD

Step-by-step explanation:

It's arithmetic  b/c  you're just adding  1

arithmetic

1

1

are the answers ,  the last one is b/c that's the common difference.

6 0
3 years ago
Read 2 more answers
Help Fast!!! What is 65 divided by 2,210 in a number not percentages or a fraction.
vlabodo [156]

Answer:

0.02941176...

— Used a calculator for this, so it is guarantied correct! Hope this helps. Brainliest appreciated (and very much needed)

6 0
3 years ago
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