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Ivenika [448]
3 years ago
6

What is the value of S4 for

Mathematics
1 answer:
zzz [600]3 years ago
4 0

Answer:

90

Step-by-step explanation:

To find s4  we find sum of values when n=1,n=2,n=3,n=4

given expression is 6(2)^{n-1}

n=1 , plug in 1 for n

6(2)^{1-1}=6

n=2

6(2)^{2-1}=12

n=3

6(2)^{3-1}=24

n=4

6(2)^{4-1}=48

Sum of all 4 terms = 6+12+24+48=90

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The question that says " a school has 1200 pupils "
Sonja [21]
How many girls like sports?  well, what's 2/5 of 1200? well, is just their product, 2/5 * 1200.

how many boys like sports?  well, what's 3/5 of 1200? 3/5 * 1200.

\bf \cfrac{2}{5}\cdot 1200\implies \cfrac{2\cdot 1200}{5}\implies \cfrac{2400}{5}\implies \stackrel{girls}{480}
\\\\\\
\cfrac{3}{5}\cdot 1200\implies \cfrac{3\cdot 1200}{5}\implies \cfrac{3600}{5}\implies \stackrel{boys}{720}
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\textit{how many }\stackrel{students}{pupils}\textit{ like sports?}\qquad 480 + 720
8 0
3 years ago
The Dot plots below show the number of sales made by Jason and Shane at work over the past seven days. Which observation about t
IgorLugansk [536]

Jason's data distribution is symmetrical and shows no outliers; Shane's data distribution is uniform and shows no outliers also. Therefore, the correct observation about the data sets that is correct is:<em> Option B.</em>

<h3>Symmetrical and Uniform Data Distribution on a Dot Plot</h3>
  • If the data plotted on the dot plot shows a bell shape curve and can be divided into equal halves by a vertical line, the data distribution is symmetrical.
  • When the data is spread equally across the range with no clear peaks, the data distribution is uniform.

<h3>What are Outliers?</h3>

Outliers are values that are far from the middle and are entirely different from the rest of the data.

The dot plots for sales made by Jason and Shane are shown in the image attached below.

Jason's data distribution is symmetrical and shows no outliers; Shane's data distribution is uniform and shows no outliers also. Therefore, the correct observation about the data sets that is correct is:<em> Option B.</em>

Learn more about data distribution on:

brainly.com/question/24309209

3 0
2 years ago
Find the area A of polygon TUVWXY with the given vertices.
Stella [2.4K]

The correct answer would be 9

8 0
3 years ago
What are all the solutions of x2 + 3x – 4 = 0?<br> -4<br> -2<br> -1<br> 0<br> 1<br> 2<br> 4
Alex17521 [72]

Answer: 1, -4

Step-by-step explanation:

Move all the terms to the left side and set equal to zero. Then set each factor equal to zero. X= 1,-4

7 0
3 years ago
Please help me, im so confused.
musickatia [10]
The value of the equation increases.
8 0
3 years ago
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