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marin [14]
3 years ago
6

in chemistry, n molecules of an ideal gas have pressure (p), volume (v), and temperature (T) that stand in the following relatio

n, where R is a constant. solve the equation for n, the number of molecules. PV= nRT
Mathematics
1 answer:
UNO [17]3 years ago
7 0
Number of molecules. n= (PV) / (RT)
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Even number between 3 and 9
vodka [1.7K]

Answer:4, 6, 8,

Step-by-step explanation:

odd numbers 1,3,5,7,9,11

even numbers 2,4,6,8,10

7 0
4 years ago
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What is 4 9/6 as a mixed number
navik [9.2K]

Answer:

33

Step-by-step explanation:

6x4+9= 33

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3 years ago
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Find the volume of the 3-D solid shown below:
KonstantinChe [14]

Check the picture below.

so is really just a thick trapezoid, or namely a trapezoidal prism 5 inches thick.

so if we just get the area of the trapezoidal face and multiply by the thickness, we'd get it's volume

\bf \textit{area of a trapezoid}\\\\ A=\cfrac{h(a+b)}{2}~~ \begin{cases} a,b=\stackrel{parallel~sides}{bases}\\ h=height\\[-0.5em] \hrulefill\\ a = 8\\ b = 13\\ h = 6 \end{cases}\implies A=\cfrac{6(8+13)}{2}\implies A=63 \\\\\\ \stackrel{\textit{area of the trapezoidal prism}}{63\cdot 5\implies \stackrel{in^3}{315}}

5 0
3 years ago
Please help! Polygon ABCDE rotates 45° clockwise about point F to form polygon FGHIJ, shown in the figure. Find the measure of e
mario62 [17]

Answer:

mABC = 117 degrees

mBCD = 90 degrees

mDEA = 90 degrees

mCDE = 127 degrees

Step-by-step explanation:

Since ABCDE is congruent/equal to FGHIJ, then each angle corresponds with the angle in the other shape. I.E., A = F, B = G, C = H, etc. Finding the angle for ABC is finding the angle for FGH. This works only because there was no changing the places of the points individually. :)

4 0
3 years ago
Solve for x: <br>5x - 3y = 22<br> 10x - 4y = 46​
Alik [6]

Answer:

x=5, y=1

Step-by-step explanation:

Isolate x for 5x-3y=22

5x-3y=22

Add 3y to both sides

5x-3y+3y=22+3y

Simplify

5x=22+3y

Divide both sides by 5

5x/5=22/5+3y/5

Simplify

x=22+3y/5

Substitute  x=22+3y/5

10*22+3y/5-4y=46

Simplify 10*22+3y/5-4y

10*22+3y/5=2(3y+22)

=2(3y+22)-4y

Expand 2(3y+22)

=6y+44-4y

Simplify 6y+44-4y

=2y+44

Isolate y for 2y+44=46

2y+44=46

Subtract 44 from both sides:

2y+44-44=46-44

Simplify

2y=2

Divide both sides by 2;

2y/2=2/2

Simplify;

y=1

For x=22+3*1/5 substitute y=1

y=22+3*1/5

22+3*1=25

=25/5

Divide the numbers;25/5=5

=5

x=5

The solutions to the system of equations are;

x=5, y=1

8 0
3 years ago
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