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Cloud [144]
3 years ago
7

Divide 103.2 tonnes in the ratio 5:3​

Mathematics
1 answer:
sesenic [268]3 years ago
7 0

Answer:

\frac{64.5}{38.7}: \frac{5}{3}

Step-by-step explanation:

5 : 3

5 + 3 = 8

103.2 ÷ 8

12.9

12.9 × 3

38.7

12.9 × 5

64.5

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Find the linear regression equation for the transformed data. x=1,2,3,4,5 y=13,19,37,91,253 log y=1.114,1.279,1.568,1.959,2,403
Talja [164]

Answer:

The answer is OPTION (D)log(y)=0.326x+0.687

<h2>Linear regression:</h2>

It is a linear model, e.g. a model that assumes a linear relationship between the input variables (x) and the single output variable (y)

The Linear regression equation for the transformed data:

We transform the predictor (x) values only. We transform the response (y) values only. We transform both the predictor (x) values and response (y) values.

(1, 13) 1.114

(2, 19) 1.279

(3, 37) 1.568

(4, 91) 1.959

(5, 253) 2.403

X            Y           Log(y)

1              13           1.114

2             19         1.740

3             37        2.543

4             91        3.381

5            253      4.226

Sum of X = 15

Sum of Y = 8.323

Mean X = 3

Mean Y = 1.6646

Sum of squares (SSX) = 10

Sum of products (SP) = 3.258

Regression Equation = ŷ = bX + a

b = SP/SSX = 3.26/10 = 0.3258

a = MY - bMX = 1.66 - (0.33*3) = 0.6872

ŷ = 0.3258X + 0.6872

The graph is plotted below:

The linear regression equation is  log(y)=0.326x+0.687

Learn more about Linear regression equation here:

brainly.com/question/3532703

#SPJ10

6 0
2 years ago
What is the answer of (-3)3 •(-4)5•(-6)3divded by 6to the power of 6
Juli2301 [7.4K]
The answer is 128......
if you expand them
-27 x -1024 x 216 divide by 216 x216
= -27 x -1024 divided by 216
-1024 x -1 divided by 8
= 1024 / 8
=128
5 0
3 years ago
50 points! Due in 20 minutes! So hurry ! no random answers please. Will mark brainliest:)
olga2289 [7]
The new coordinates are (3, 1)
5 0
3 years ago
What is 784 in expanded form, using exponents?
Oduvanchick [21]
700 + 80 + 2^2?

I have no idea rly lol
4 0
3 years ago
Read 2 more answers
Jonathan uploaded some original songs and also some pictures. alissa uploaded four times as many songs, but only uploaded twice
lesya [120]

X is the number of songs and Y the number of pics

our 2 equations will be - X+y=11 & 4x+2y=24

consider x=11-y

Lets replace x in 2:

=4(11-y) +2y=24

=44-4y+2y=24

=44-24= 4y-2y

=20= 2y

=Y=20/2

=Y=10

Lets replace y in 1

=X+10=11

=X=11-10

=X=1

To learn more about equations from the given  link

brainly.com/question/269374

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4 0
2 years ago
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