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3 years ago

15

3-4|2(-3)| |-3| Hhhhhhhhh

2 answers:

Airida [17]3 years ago

7 0

Answer:

-7

Step-by-step explanation:

|2(-3)| = |-6| = 6

|-3| = 3

(3 - 4 * 6) / 3 = -21 / 3 = -7

gayaneshka [121]3 years ago

4 0

The answer is 11 luv! hope this helped you out!!

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A square steel bar has a length of 5.1 ft and a 2.7 in by 2.7 in cross section and is subjected to axial tension. The final leng

Andrej [43]

Answer:

The Poisson's ratio for the material is 0.0134.

Step-by-step explanation:

The Poisson's ratio ( $\nu$ ), no unit, is the ratio of transversal strain ( $\epsilon_{t}$ ), in inches, to axial strain ( $\epsilon_{a}$ ), in inches:

$\nu = -\frac{\epsilon_{t}}{\epsilon_{a}}$ (1)

$\epsilon_{a} = l_{a,f}-l_{a,o}$ (2)

$\epsilon_{t} = l_{t,f}-l_{t,o}$ (3)

Where:

$l_{a,o}$ - Initial axial length, in inches.

$l_{a,f}$ - Final axial length, in inches.

$l_{t,o}$ - Initial transversal length, in inches.

$l_{t,f}$ - Final transversal length, in inches.

If we know that $l_{a,o} = 61.2\,in$ , $l_{a,f} = 61.235\,in$ , $l_{t,o} = 2.7\,in$ and $l_{t,f} = 2.69953\,in$ , then the Poisson's ratio is:

$\epsilon_{a} = 61.235\,in - 61.2\,in$

$\epsilon_{a} = 0.035\,in$

$\epsilon_{t} = 2.69953\,in - 2.7\,in$

$\epsilon_{t} = -4.7\times 10^{-4}\,in$

$\nu = - \frac{(-4.7\times 10^{-4}\,in)}{0.035\,in}$

$\nu = 0.0134$

The Poisson's ratio for the material is 0.0134.

7 0

3 years ago

What is an equation of the line that passes through the points ( −4 , − 6 ) and (4,4)?

kherson [118]

Answer:

y=5/4x-1

Step-by-step explanation:

-6-4/-4-4 = -10/-8 = 5/4 (slope)

y=5/4x+b

4=5/4(4)+b

b=-1

y=5/4x-1

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3 years ago

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Charra [1.4K]

Answer:

Expression D

Step-by-step explanation:

all other answers are above 15! hope this helps :D

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2 years ago

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Anna [14]

Answer:

lol cut3-dog how-is-your-d4y

Step-by-step explanation:

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3 years ago

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