2 years ago

I need help with this problem 11/16x8/77

Mathematics

2 answers:

Setler79 [48]2 years ago

6 0

Answer:

1/14

Step-by-step explanation:

Lina20 [59]2 years ago

3 0

Answer:

88/1232

Step-by-step explanation:

11x8=88

16x77-1232

So, 88/1232

Mark my answer as brainliest!

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Please help to find an explicit formula for calculating the sum Mn

defon

The explicit formula for calculating the sum is

$S_N=\frac{n(n-1)}{2} \cdot\frac{n(n+1)}{2}$

The sum of the nth term of a sequence is expressed as;

$S_n=\frac{n}{2}(2a+(n-1)d)$

a is the first term

d is the common difference

n is the number of terms

For the sequence 0 + 1 + 2 + 3 +...

$S_n=\frac{n}{2}(2(0)+(n-1)1)\\S_n= \frac{n}{2}(n-1)\\S_n= \frac{n(n-1)}{2}$

Similarly for the sequence:

1 + 2+ 3 + 4+...

$S_n=\frac{n}{2}(2(1)+(n-1)1)\\S_n= \frac{n}{2}(2+n-1)\\S_n= \frac{n(n+1)}{2}$

Taking the product of the sum to get the explicit formula for calculating the sum

$S_N=\frac{n(n-1)}{2} \cdot\frac{n(n+1)}{2}$

Learn more here: brainly.com/question/24547297

8 0

2 years ago

How do you solve for what is a? Please answer quickly?<br><br> 4(a-2)=3(a+4)

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4(a-2)=3(a+4)
4a-8=3a+12
a=20

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3 years ago

I'm completely lost?

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