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zmey [24]
3 years ago
6

Find the sum of the geometric series if n=6, r= 1/4, a = 2.

Mathematics
1 answer:
galben [10]3 years ago
3 0

Sn = a(1-r^n)/(1-r)

Sn= 8(1-1/4096)/3= 2.67

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Find the length of side AB in the right triangle shown.
Bogdan [553]
Side AB is 72 cm long.



Explanation:

To find the length of side AB you have to use this formula:

{a}^{2}  +  {b}^{2}  =  {c}^{2}

*Remember there are two legs (a and b) and a hypotenuse (c) on a triangle. The longest side will be the hypotenuse and the other two will be the legs. For this triangle the hypotenuse is side BC while the legs are sides CA and side AB.

Plug in the numbers into the equation.


{65}^{2}  +  {b}^{2}  =  {97}^{2}
For this triangle, you were given the hypotenuse (c) and one leg (a). To find the last length solve the equation and balance it so only b is left, like this:

4225 +  {b}^{2}  = 9409

9409 - 4225 = 5184

Soo...

{b}^{2}  = 5184

Then to get the side length, square root 5184.

\sqrt{5184}  = 72

So the length of the last side is 72 cm.
5 0
3 years ago
Please help im 25% blind
FrozenT [24]

Answer:

c

Step-by-step explanation: all you have to do is work it out

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3 years ago
IF anyone wants to join the clan I'm in. U can but u need to be good at the game. If you're good not. It's ok we help u train or
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Answer:

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Step-by-step explanation:

3 0
3 years ago
2. When there is a strong positive, how do the points look?
motikmotik

When there's a strong positive, the points are: B. Close together.

<h3>Strong Positive Relationship</h3>
  • On a scatter plot, if the data points are close together along the trend line sloping upwards, it means there's a strong positive correlation.
  • Strong positive correlation means the two variables change in the same direction.

Therefore, when there's a strong positive, the points are: B. Close together.

Learn more about strong positive relationship on:

brainly.com/question/15552860

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3 years ago
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Jobisdone [24]
Sorry i need a table full i cant see

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3 years ago
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