Pleaseeee helppp answer correctly !!!!!!!!!!!!!! Will mark Brianliest !!!!!!!!!!!!!!!!!!!!!

Mathematics

2 answers:

AnnZ [28]3 years ago

4 0

2y+4=3(y-1)
2y+4=3y-3
4+3=3y-2y
Y=7
X=2

guapka [62]3 years ago

3 0

Since opposite sides of rectangle are equal
Therefore
9x=18
X=18/9=2

2y+4=3(y-1)
2y+4=3y-3
4+3=3y-2y
7=y

Therefore x=2 & y=7

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Betty tabulated the miles-per-gallon values for her car as 26.5, 28, 30.2, 29.6, 32.3, and 24.7. The sample standard deviation i

Viefleur [7K]

Answer:

3.188

Step-by-step explanation:

Given that :

Sample data: 26.5, 28, 30.2, 29.6, 32.3, 24.7

Sample standard deviation (s) = 2.728

Mean (mu) = 25

Tstatistic formula :

(x - mu) / (s/sqrt(n))

n = sample size = 6 ; s = 2.728 ; mu = 25

Sample mean (x) = (26.5 + 28 + 30.2 + 29.6 + 32.3 + 24.7) / 6

Sample mean (x) = 171.3 / 6 = 28.55

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3 0

3 years ago

An object is translated by ( x + 4, y - 2). If one point in the image has the coordinates (5, -3), what would be the coordinates

Nikolay [14]

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(x-4, y+2) --> (5-4,-3+2) -->(1,-1)
The correct answer is (1,-1)

5 0

3 years ago

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larisa [96]

Answer:I got the pic over here

Step-by-step explanation: