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Allushta [10]
3 years ago
8

Help please pretty please

Mathematics
1 answer:
Blababa [14]3 years ago
7 0

Answer:

There are n+1 terms in (a+b)^n.

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the sum of the first n terms of a sequence is 20 - 10 / 2 ^ n - 1 find the sum of the first five terms​
Travka [436]

Answer:

S_5=\dfrac{170}{9}

Step-by-step explanation:

Given that,

The sum of first n term of a sequence isS_n=20-\dfrac{10}{2n-1}

We need to find the sum of the first 5 terms.

Put n = 5,

S_5=20-\dfrac{10}{2(5)-1}\\\\=20-\dfrac{10}{10-1}\\\\=20-\dfrac{10}{9}\\\\=\dfrac{170}{9}

So, the sum of first 5 terms is equal to \dfrac{170}{9}.

6 0
3 years ago
Shelly ate 4.2 ounces of trail mix. Marshall ate 4.25 ounces of trail mix. How much more trail mix did Marshall eat?
Gekata [30.6K]

Marshall ate 0.05 ounces more

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A juice can is in the shape of a cylinder with a diameter of 4 inches. It has a volume of 125 cubic inches. What is the height o
ludmilkaskok [199]
We know that
[volume of a cylinder]=pi*r²*h------> h=volume/[pi*r²]
diameter=4 in
r=4/2---> r=2 in
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h=125/[pi*2²]-----> h=9.95 in

the answer is
the height of the can is 9.95 in
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AveGali [126]

Answer:

10 3/4 feet longer

Step-by-step explanation:

17 3/4= 17.75

28 1/2= 28.50

28.50 - 17.75 = 10.75

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With respect to where theta.

CW is hypotenuse
WO is opposite leg
CO is adjacent leg
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