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Triss [41]
3 years ago
13

Use the rules for logarithms and exponents to write this equation in logarithmic form.?

Mathematics
1 answer:
Papessa [141]3 years ago
7 0

Answer:

ln K = ln (A) -\frac{\Delta H}{RT}

Step-by-step explanation:

For this case we have the following expression:

K = A e^{-\frac{\Delta H}{RT}}   (1)

And we want to find the value of ln K. If we apply natural log on both sides of the equation (1) we got:

ln K = ln(A e^{-\frac{\Delta H}{RT}})

Using the following property:

ln(xy) = ln (x) + ln(y) for x and y real numbers, x>0, y>0, then we have:

ln K = ln (A) + ln (e^{-\frac{\Delta H}{RT}})

Now since the natural log and the exponentiation are inverse operations we have this:

ln K = ln (A) + (-\frac{\Delta H}{RT})

And then the final expression for ln K is :

ln K = ln (A) -\frac{\Delta H}{RT}

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If the coordinates of the endpoints of a diameter of the circle are known, the equation of a circle can be
miskamm [114]

The equation of the circle would be (x - 1)² + (y - 3)² = 65.

<h3>What is the equation of a circle?</h3>

The equation of a circle with center (h,k) and radius, r in center radius form is given;  

(x - h)² + (y - k)² = r²

The coordinates of the center of the circle can be calculated by the formula

((x₁ + x₂)/2, (y₁ + y₂)/2).

The point (x₁,y₁) = (9, 2) and (x₂,y₂) = (-7, 4).

So, ((9 -7)/2, (4 + 2)/2) = (1, 3).

Now, r² = (x₂ - x₁)² + (y₂ - y₁)².

Let (x₁, y₁) = (1, 3) and (x₂, y₂) = (-7, 4).

So, r² = (-7 -1)² + (4 - 3)²

= -8² + 1² = 64 + 1 = 65.

With center (h,k) = (1, 3) and r² = 65, we have

Thus, the equation would be (x - 1)² + (y - 3)² = 65.

Learn more about the equation of circle;

brainly.com/question/14786372

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6 0
1 year ago
Given the function f(x)=x^2+2x+1, find a f(−7)
tatuchka [14]

Answer:

36

Step-by-step explanation:

f(x)=x^2+2x+1

Let x = -7

f(-7)=(-7)^2+2*-7+1

     = 49 -14+1

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3 years ago
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garik1379 [7]

Answer:

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Step-by-step explanation:

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You do that number -4
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If y'all can answer any of these I'll be thankful :)
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Sorry we can’t help with this
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