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seropon [69]
3 years ago
12

Solve for a in the fraction: s/3= 11

Mathematics
2 answers:
Elenna [48]3 years ago
5 0

Answer:

s=3

Step-by-step explanation:

33/3=11

viktelen [127]3 years ago
3 0

Answer:

s=33

Step-by-step explanation:

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Please help!!!!!I’ll mark you as brainliest!!!!!!
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Answer:

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Step-by-step explanation:

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3 years ago
WILL GIVE BRAINLIEST IF CORRECT!!
vfiekz [6]

Answer:

\displaystyle y=-0.927x+13.63

Step-by-step explanation:

<u>Simple Linear Regression </u>

It a function that represents the relationship between two or more variables in a given data set. It uses the method of the least-squares regression line which minimizes the error between the estimate function and the real data.

Let's compute the best-fit line for the data

x=\{1,5,6,12,15\}

y=\{14,11,4,2,1\}

First, we find the sums

\displaystyle \sum x=1+5+6+12+15=39

\displaystyle \sum y=14+11+4+2+1=32

Then, we compute the averages values

\displaystyle \bar{x}=\frac{39}{5}=7.8

\displaystyle \bar{y}=\frac{32}{5}=6.4

We will also compute the sums of the cross-products and the sum of the squares

\displaystyle \sum xy=(1)(14)+(5)(11)+(6)(4)+(12)(2)+(15)(1)=137

\displaystyle \sum x^2=1^2+5^2+6^2+12^2+15^2=1+25+36+144+225

\displaystyle \sum x^2=431

We will compute Sxy and Sxx

\displaystyle S_{xy}=\sum xy-\frac{\sum x\ \sum y}{n}

\displaystyle S_{xy}=137-\frac{(39)(32)}{5}

\displaystyle S_{xy}=-117.6

\displaystyle S_{xx}=\sum x^2-\frac{(\sum x)^2}{n}

\displaystyle S_{xx}=431-\frac{39}{5}^2=126.8

The slope of the linear regression function is given by

\displaystyle m=\frac{S_{xy}}{S_{xx}}=\frac{-117.6}{126.8}=-0.927

The y-intercept ot the linear function is

\displaystyle b=\bar{y}-b\bar{x}=6.4-(-0.927)(7.8)

\displaystyle b=13.63

Thus the best-fit line is

\displaystyle y=-0.927x+13.63

The correct option is the last one

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3 years ago
Ben is repackaging a 45-pound bag of rice into 8 smaller bags. How much rice is going to be in each smaller bags?
Anarel [89]
Each bag of rice is going to have 1/8 of the original amount, or 1/8 of 45.
45/8 = 5.625.
Each rice bag will have 5.625 pounds of rice.
4 0
3 years ago
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The table shows which school subject are favored by a group of students predict the number of students out of 400 that would pic
vfiekz [6]
What table. 

If it is a normal table or a wooden table. The marble ones are cool but I prefer the wood. btw this is just filler text so I could ask if you would link the table.
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Surface area of a triangular prism
iragen [17]

Answer:

96

Step-by-step explanation:

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