3 years ago

Simplification of properties rational exponets

Mathematics

1 answer:

erica [24]3 years ago

6 0

I do not know specifically what you are asking, so here is one problem from that general topic, hope it helps

source: YT channel Marty Brandl

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Suppose an advertising company wants to determine the current percentage of customers who read print magazines. How many custome

user100 [1]

Answer: 543

Step-by-step explanation:

Given : Level of confidence = 0.98

Significance level : $\alpha=1-0.98=0.02$

By using the normal distribution table,

Critical value : $z_{\alpha/2}=2.33$

Margin of error : $E=5\%=0.05$

The formula to find the population proportion if prior proportion of population is unknown :-

$n=0.25(\dfrac{z_{\alpha/2}}{E})^2$

$\Rightarrow n=0.25(\dfrac{2.33}{0.05})^2=542.89\approx543$

Hence, the company survey minimum sample having size =543

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4 years ago

Read 2 more answers

10x + 11 - x= 5x - 13

Veseljchak [2.6K]

Answer:

= − 6

Step-by-step explanation:

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3 years ago

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Given the function defined by g(x)=-x^2-3x+3, find g (-2). Simplify <br><br> G(-2)=

Naya [18.7K]

Answer:

put the value of x is (_2) and solve

8 0

2 years ago

Stacy and Katie plan to walk the 27-mile scenic route across Malibu, starting at opposite ends of the route at the same time. If

enot [183]

Answer:

Stacy = 15 mile

Step-by-step explanation:

view attached

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4 years ago

X-cubed+3x-squared+5x+8/x+1

Blababa [14]

X^3+3x^2+5x+8/x+1
multiply the whole equation by x
x^4+3x^3+5x^2+8+1x
x^4+3x^3+5x^2+x+8
factor out by parts
(x^2-0.641604x+1.33244)(x^2+3.6416x+6.00403)

4 0

3 years ago