2 years ago

A tank containing 64 gallons lost 6 1/4% through leakage. How much remained in the tank?

1 answer:

6 0

There are still 60 gallons in the tank:)

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Nady [450]

It's simple multiplication

5 0

3 years ago

zubka84 [21]

I assume the equation is supposed to be

$3^{x+2}=8^{x-1}$

Then we can write

$9\cdot3^x=\dfrac18\cdot8^x\implies\left(\dfrac38\right)^x=\dfrac1{72}$

Take the logarithm of base 3/8 on both sides:

$\log_{3/8}\left(\dfrac38\right)^x=\log_{3/8}\dfrac1{72}$

$\implies x\log_{3/8}\dfrac38=-\log_{3/8}72$

$\implies x=-\log_{3/8}72$

- - -

If the equation is actually $3^x+2=8^x-1$ , I'm afraid it cannot be solved exactly.

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3 years ago

kap26 [50]

Answer:2/16

Step-by-step explanation:

8 0

3 years ago

Svetlanka [38]

You just subtract 300 from 800 to get 500 people

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3 years ago

Licemer1 [7]

Answer:

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Step-by-step explanation:

8 0

3 years ago