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Anna007 [38]
2 years ago
14

The pressure of a gas p(v) varies inversely with the volume of the gas v. The pressure of a gas measures 25 kg/cm2 when its volu

me is 200 cm3 .
Which equation can be used to find the pressure of the gas when the volume is changed?


p(v)=8v


p(v)=5000v


p(v)=8v


p(v)=5000v
Mathematics
1 answer:
dsp732 years ago
5 0
A


Mark brainliest please


Hope this helps you
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Express percentage as decimal

\mathbf{Used = 0.7 \times x}

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Also, he sells new drones at 15% more of the price (x).

So, the selling price of a new drone is:

\mathbf{New= (1 + 15\%) \times x}

Express percentage as decimal

\mathbf{New= (1 + 0.15) \times x}

\mathbf{New= 1.15 \times x}

\mathbf{New= 1.15x}

The amount saved is the difference between the prices of the drones.

So, we have:

\mathbf{Saved =New - Old}

This gives

\mathbf{Saved =1.15x- 0.7x}

Subtract

\mathbf{Saved =0.45x}

Express as a function

\mathbf{f(x) = 0.45x}

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7 0
2 years ago
Please someone solve this problem <br>I really need answers ​
yulyashka [42]

Answer:

x = 50°

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Step-by-step explanation:

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subtract 130 on both sides

x = 180° - 130°

x = 50°

working out y:

two vertical lines means that both sides are equal, so both angles are also equal (it's an isosceles triangle). This means that y is the same angle as x = 50°

y = 50°

working out z:

the sum of a triangle add up to 180°

add up the angles of x and y and equate to 180°

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subtract 100 on both sides

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8 0
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leonid [27]

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1 - 64/289 = cos^2 θ

225/289 = cos^2 θ

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Cos θ = 15/17

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3 years ago
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