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slamgirl [31]
3 years ago
6

Solve the equation. Round to the nearest hundredth. Show work.

Mathematics
1 answer:
denis-greek [22]3 years ago
8 0

Answer:

Final answer is approx x=-0.66.

Step-by-step explanation:

Given equation is 5^{-2x-1}=4^{4x+3}.

Now we need to solve equation 5^{-2x-1}=4^{4x+3} and round to the nearest hundredth.

5^{-2x-1}=4^{4x+3}

\log(5^{-2x-1})=\log(4^{4x+3})

(-2x-1)\log(5)=(4x+3)\log(4)

-2x \log(5)- \log(5)=4x \log(4)+3 \log(4)

-2x \log(5) -4x \log(4)=3 \log(4) +\log(5)

x=\frac{\left(3\log(4)+\log(5)\right)}{\left(-2\log(5)-4\log(4)\right)}

Now use calculator to calculate log values, we get:

x=-0.65817959094

Round to the nearest hundredth.

Hence final answer is approx x=-0.66.

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5 ports Use absolute value to express the distance between -12 and -15 on the number line. |-12 - (-15) = -27​
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Step-by-step explanation:

Given

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Required

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A parallelogram has an area of 216.24 cm 2 2 and a height of 15.9 cm. How long is the base of the parallelogram? Enter your answ
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