2 years ago

For what value of x does 3^4x – 27x-3?

Mathematics

2 answers:

AveGali [126]2 years ago

8 0

Answer:

x=0,05555555... or x = 3/54 or x= 1/18

Step-by-step explanation:

81x-27x-3

54x=3

zhannawk [14.2K]2 years ago

3 0

Answer: it is -9

Step-by-step explanation:

It’s on the test

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8 1/2 + 7 2/3 + 4 1/2

SCORPION-xisa [38]

Answer:

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Step-by-step explanation:

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2 years ago

K=mv^2/2 solve for v

matrenka [14]

Answer: $v=\sqrt[]{\frac{2K}{m} }$

Step-by-step explanation:

$K=\frac{mv^2}{2}$

First, multiply by 2 to get rid of the 2 in the denominator. Remember that if you make any changes you have to make sure the equation keeps balanced, so do it on both sides as following;

$2*K=\frac{mv^2}{2}*2$

$2K=mv^2$

Divide by m to isolate $v^2$ .

$\frac{2K}{m}=\frac{mv^2}{m}$

$\frac{2K}{m} =v^2$

To eliminate the square and isolate v, extract the square root.

$\sqrt[]{\frac{2K}{m} }=\sqrt[]{v^2}$

$\sqrt[]{\frac{2K}{m} }=v$

let's rewrite it in a way that v is in the left side.

$v=\sqrt[]{\frac{2K}{m} }$

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2 years ago

Help solve<br> 1/2(X-34)=28+5X

IrinaK [193]

Answer:

x= -10 and true

Step-by-step explanation:

if you plug -10 in for x you get -22=-22 which makes it true

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butalik [34]

You have it correct the answer is 20

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2 years ago

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Ugo [173]

I think the answer is plus bc you need to add

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