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Alenkinab [10]
3 years ago
10

PLEASE I REALLY NEED HELP ASAP I DON'T UNDERSTAND

Mathematics
2 answers:
Mila [183]3 years ago
6 0
2000 to 2001 is 39%
2001 to 2002 is 46% 

So 2001 to 2002 was the higher percentange
Sever21 [200]3 years ago
5 0
In 2000 - 3250 
<span>In 2001 - 3640 </span>

<span>3640 - 3250 = 390 </span>

<span>(390/3250)*100 = 12% </span>

<span>2001 - 3640 </span>
<span>2002 - 4100 </span>


<span>4100 - 3640 = 460 </span>

<span>(460/3640) * 100 = 12.6%</span>
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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
Again I need help, sorry but thank you!
musickatia [10]

Answer:

B)13 pints

Step-by-step explanation:

SO first we find the unit rate

We know that in 90 minutes (hour and a half), the water leaked 6 pints form 2;30 to 4

Now So we can divide to find unit rate

6/90=1/15

So 1 pint for every 15 minutes

And now we want to know the amount it takes from 2:30 to 6:30 which is 4 hours

40 hours is 240 minutes

SO we can divide now

240/15=16

SO 16 pints leaked but the question asked for remaining water in container

So 29-16 is 13

So B)13

3 0
3 years ago
Find the perimeter of the figure 35 in. 34 in. 70 in. 84 in.
Yuri [45]

Answer:

p=8in+8in+12in+7in

=35 in

8 0
3 years ago
Read 2 more answers
uhm pueden contestarme esto xfa- es para una amiga y tenemos que tener diferente respuestas si pueden claro :))
agasfer [191]

Answer:

hola

Step-by-step explanation:

t4eyyybkjdiwefvusknlabj dih

3 0
2 years ago
I need help with both of these someone please help me . you’ll get 20 brainly points !!
Orlov [11]

Answer:

First question: 42cm^2

Second question:

whole figure: 150 cm^2

blue part: 96cm^2

white part:54cm^2

Step-by-step explanation:

Lets do math:

look you gave me alot to do but lets go:

Question 1:

lets find the area of the whole rectangle without the parts taken away.

6*10-60

lets put that away for a little bit and move onto the empty space that we have to take away from the rectangle to get this shape.

im now going to subtract 2 from 10 to get 8. I did this to find out the a length

8*3=24

18 is the area of the shape that we have to subtract from the big rectangle

lets now take out the area we put away for a little while.

60-18=42

so 42 is the area of the first shape.

Question #2:

This problem needs multiple answers so lets get started.

first we need to find the area of the big rectangle.

10*15=150

lets put that away for a little bit.

now lets find the area of the little rectangle

6*9=54

to find the blue we have to subtract 54 from 150 which is 96

so now we have this:

area of the whole figure:150

area of the shaded rectangle inside (white): 54

area of the shaded rectangle (blue): 96

phew that was a lot of typing

the end

8 0
3 years ago
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