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Dmitry [639]
4 years ago
7

An equation is shown below:

Mathematics
1 answer:
denpristay [2]4 years ago
3 0
Leftside: 5x + 3x - 15 = 8x - 15

Rightside: 8x - 15

They are exactly the same.

This means x can be any real number, i.e. infinite solutions.

I'm not really sure about the property, but combining like terms and comparison are the basic tools.
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Choose the kind(s) of symmetry: point, line, plane, or none.
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Answer:

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4 years ago
Two containers, X and Y, are each filled by an ideal gas at the same temperature. The volume of Y is half the volume of X. The n
-Dominant- [34]

Answer:

The answer to the question is

The ratio of the two gas pressures   \frac{P_{x} }{P_{y} } , that is Px to Py = 1/6

Step-by-step explanation:

Let the gases Volumes be V₁ and V₂

Where volume of X = V₁ and

volume of Y = V₂

The volume of Y is half the volume of X

∴ V₂  =  \frac{1}{2} × V₁

Let the number of moles be n₁ and n₂ in X and Y respectively

therefore  n₂ = 3 × n₁

The pressure of the gas in X is Pₓ and the pressure of the gas in Y is  P_{y} then we have

P₁ × V₁  = n₁ × R × T₁ , and P₂ × V₂ = n₂ × R × T₂

(P₁ × V₁)/(n₁ × T₁) = (P₂ × V₂)/(n₂ × T₂)

but T₁ = T₂

Therefore

(P₁ × V₁)/n₁ = (P₂ × V₂)/n₂.  However  n₂ = 3 × n₁  and V₂  =  \frac{1}{2} × V₁ therefore substituting in the equation we have

(P₁ × V₁)/n₁ = (P₂ ×  \frac{1}{2} × V₁ )/(3 × n₁) from where

P₁ /P₂ =  (\frac{1}{2} × V₁ × n₁)/(V₁×3 × n₁) =0.5/3 = 1/6

The ratio of \frac{P_{x} }{P_{y} } = 1/6

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4 years ago
You decide to make and sell bracelets. The cost of your materials is $84. You charge $3.50 for each bracelet.
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The formula for the lateral area of a right cone is LA = rs, where r is the radius of the base and s is the slant height of the
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Answer:

ive never worked with cones but my best guess would be the third and fourth

Step-by-step explanation:

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