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2 years ago

25 POINTS! Which equation is equivalent to (1/3)=27^x^+^2

Mathematics

2 answers:

GenaCL600 [577]2 years ago

8 0

Answer:

match bases

remeber if a^b=a^c where a=a then b=c

remember

(x^m)^n=x^(mn)

1/(x^m)=x^-m

base of 3

(1/3)^x=(3^-1)^x=3^(-x)

27^(x+2)=(3^3)^(x+2)=3^(3x+6)

3^(-x)=3^(3x+6)

-x=3x+6

0=4x+6

-6=4x

-3/2=x

Genrish500 [490]2 years ago

7 0

Hint: $\bf log_{{ a}}{{ b}}=y \iff {{ a}}^y={{ b}}$

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3 years ago

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37 35 Х x = What’s the answer?

Ainat [17]

Answer:

Step-by-step explanation:

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3 years ago

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Nina [5.8K]

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Step-by-step explanation:

Formula to find the sample size :

$n=p(1-p)(\dfrac{z_{\alpha/2}}{E})^2$

Given : Confidence level : $(1-\alpha)=0.90$

⇒ significance level = $\alpha= 0.10$

z-value for 90% confidence interval (using z-table)= $z_{\alpha/2}=1.645$

Prior estimate of the population proportion (p) of customers who keep up with regular vehicle maintenance is unknown.

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3 years ago

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