What is the approximate value of x in the equation below. log3/4 25=3x-1

Mathematics

2 answers:

Anastaziya [24]3 years ago

7 0

Answer:

The correct answer to the above equation according to E2020 is -3.396

Step-by-step explanation:

It's just the answer i know this to be true

frutty [35]3 years ago

3 0

Just put it in equation solver. On a ti-84 calculator you will click math>go to the bottom> click equation solver> put it in by each half of the equal sign. as in
Log3/4 25 on top
3x-1 on the bottom. click enter
then click alpha enter. Your answer will be given then.

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What fraction is closest in value to 0.39? 1/3, 2/5, 3/8, or 9/25?

Afina-wow [57]

1/3 (0.333,,,) is 0.05666... away from 0.39 .

2/5 (0.4) is 0.01 away .

3.8 (0.375) is 0.015 away .

9/25 (0.36) is 0.3 away .

2/5 is the closest one.

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2 years ago

Read 2 more answers

Evaluate the integral Integral ∫ from (1,2,3 ) to (5, 7,-2 ) y dx + x dy + 4 dz by finding parametric equations for the line seg

n200080 [17]

$\vec F(x,y,z)=y\,\vec\imath+x\,\vec\jmath+3\,\vec k$

is conservative if there is a scalar function $f(x,y,z)$ such that $\nabla f=\vec F$ . This would require

$\dfrac{\partial f}{\partial x}=y$

$\dfrac{\partial f}{\partial y}=x$

$\dfrac{\partial f}{\partial z}=3$

(or perhaps the last partial derivative should be 4 to match up with the integral?)

From these equations we find

$f(x,y,z)=xy+g(y,z)$

$\dfrac{\partial f}{\partial y}=x=x+\dfrac{\partial g}{\partial y}\implies\dfrac{\partial g}{\partial y}=0\implies g(y,z)=h(z)$

$f(x,y,z)=xy+h(z)$

$\dfrac{\partial f}{\partial z}=3=\dfrac{\mathrm dh}{\mathrm dz}\implies h(z)=3z+C$

$f(x,y,z)=xy+3z+C$

so $\vec F$ is indeed conservative, and the gradient theorem (a.k.a. fundamental theorem of calculus for line integrals) applies. The value of the line integral depends only the endpoints: