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andreev551 [17]
3 years ago
15

Subject Algebra 1

Mathematics
1 answer:
Mashutka [201]3 years ago
6 0

Answer:

10x^{2}-34

Step-by-step explanation:

Because we are told equivalent expressions for y and z we can plug those in to 2(y+z).

2((3x^{2}+x^{2}-5)+(x^{2}-12))

Then simplify by combining like terms of the expressions. Values ending in x^2 can be combined with each other.

2(5x^{2}-17)

Now we can distribute the 2 by multiplying each value in the parentheses by 2.

10x^{2}-34

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Answer:

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8 0
2 years ago
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1. A rectangle has a length of 15 centimeters and a width of 8
Ksivusya [100]

Answer: radius = 6.18 (I don't know what solutions you have, but the actual answer for the radius is about 6.18 cm so which ever is closest.)

Step-by-step explanation:

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6 0
3 years ago
Write <br> 10/17 as a decimal and round to the nearest hundredth.
Leni [432]

the answer to that is 0.59

4 0
3 years ago
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When the volume of a gas is
Fudgin [204]

Answer: The initial volume is 593.76mL

Step-by-step explanation:

As you do not say anithing about the pressure, i guess that the pressure remains constant.

If the gas is an ideal gas, we have:

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where P is pressure, n is number of moles and R is a constant.

Now, initially we have:

P*Vi = n*R*315°C

finally we have:

P*825mL = n*R*452°C

Now we can take the quiotient of those two equations and get:

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Now we have:

Vi/852mL = 315/452

Vi =  (315/452)*852mL = 593.76mL

So when we expand the gas at constant pressure, we increase the temperature.  

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3 years ago
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Answer:

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Step-by-step explanation:

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