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DENIUS [597]
3 years ago
11

Solve 2^(3x-4)=5 round to the nearest ten-thousandth

Mathematics
2 answers:
GaryK [48]3 years ago
4 0
2^(3x-4)=5
ln(2^(3x-4)=ln 5
(3x-4)ln 2=ln 5                    (log_a x^n=n*log_a x)
3x-4=ln 5/ln 2
3x=(ln 5 / ln 2)+4
x=[(ln 5 / ln 2)+4]/3
x≈2.1073

Answer:    x=[(ln 5/ln 2) +4]/3            (≈2.1073)
noname [10]3 years ago
3 0
You can use logarithm for this question:
If you convert the provided equation into logarithm, you should get:
Log _2 5= (3x-4)
You plug log_2 (5) into a calculator, I dont have one with me so you will have to do the calculation, then solve for x

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Y=1/2x +5<br> Y=-3/2x-7<br> Find x and y
gayaneshka [121]
I'm going to use the substitution method. 

If y = - 3/2 - 7, then:

1/2x + 5 = - 3/2x - 7

Combine like terms: 

4/2x = - 12. Mutiply both sides by 2/4 to get x = -12 (2/4)

Simplify to get:

x = - 6.

Plug - 6 back in for x in either equation.

Y = 1/2( - 6) + 5 which becomes Y = - 3 + 5.

X = - 6, Y = 2





8 0
3 years ago
Find the x- and y-intercepts of the graph of the linear equation −4x+8y=−16.
Bogdan [553]
Put it in slope form: y=mx+b
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8 0
2 years ago
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Alla [95]

Answer:

uh

Step-by-step explanation:

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8 0
3 years ago
Read 2 more answers
In how many ways can you choose 2 side dishes out of 8
Alina [70]
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That doesn't mean you can get 56 different sets of 2 side dishes.

For each different pair, there are 2 ways to choose them . . .
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So yes, there are 56 different 'WAYS' to choose 2 out of 8.
But there are only 28 different possible results, and 2 'ways'
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4 0
3 years ago
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Can someone please help me with this!?!?!
lys-0071 [83]
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3 years ago
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