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WARRIOR [948]
2 years ago
11

Can someone help me please

Mathematics
2 answers:
anastassius [24]2 years ago
8 0
C=2*3.14*7.6
C=47.728
Round.
47.7

Therefore, the circumference is 47.7 m.
larisa86 [58]2 years ago
8 0

Answer:

47.728, so 50

Step-by-step explanation:

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Determine the temperature of 2.6 moles of gas contained in a 5.00-L vessel at a pressure of 1.2atm.
strojnjashka [21]

Answer:

28.108 K.

Step-by-step explanation:

Given: Pressure (P)= 1.2atm

           Number of moles (n)=  2.6 moles

           Volume (V)= 5.00-L

Now finding the temperature (T).

Formula; T= \frac{P\times V}{n\times R}

R is a constant factor which makes other factors work together.

There is a numerical value for R which we use is 0.0821 \times \frac{L.atm}{mole.K}

∴ Temperature (T)= \frac{1.2\times 5}{2.6\times 0.0821 \frac{L.atm}{mol.K} }

⇒ Temperature (T)= \frac{6}{0.21346} = 28.1083\ K

∴ Temperature is 28.108 K

8 0
3 years ago
Just #2 . Help !! Please :)
kirza4 [7]
180- 113 = 67

180- 67= 113

<5= 67
<2=113
8 0
3 years ago
Read 2 more answers
What is the value of x? <br><br><br>Enter your answer in the box. <br><br><br>x =
Triss [41]

Answer:

x = 4.1

Step-by-step explanation:

6x-3 + 3x+6 + 5x = 60

14x + 3 = 60

14x = 60 - 3

14x = 57

x = 57/14

x = 4.1

4 0
3 years ago
Help please, i really need it because its almost due
nata0808 [166]

Answer:

D sqrt( A ) sqrt(pi) / pi = r

Step-by-step explanation:

The area of a circle is given by

A = pi r^2

To find r

Divide each side of the equation by pi

A / pi = pi r^2 /pi

A / pi =  r^2

Take the square root of each side

sqrt(A / pi )= sqrt( r^2)

sqrt(A / pi )= r

We do not like leaving square roots in the denominator, so multiply by sqrt(pi)/sqrt(pi))

sqrt(A / pi ) *sqrt(pi)/sqrt(pi))

sqrt( A ) sqrt(pi) / pi = r

3 0
3 years ago
Read 2 more answers
I need help like quick plssss
Vera_Pavlovna [14]

Answer:

172.8

Step-by-step explanation:

24+18+5+3=50

360/50=7.2

7.2x24=172.8

4 0
3 years ago
Read 2 more answers
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