4 years ago

What is the greatest value of 3x+8

Mathematics

1 answer:

KatRina [158]4 years ago

3 0

its infinity.

x can be any number in the world

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20) In a recent poll of 1200 randomly selected adult office workers, 32% said they had worn a Halloween costume to the office at

Allisa [31]

Answer: Option 'c' is correct.

Step-by-step explanation:

Since we have given that

n = 1200

x = 32% of 1200

So, $\hat{p}=32\5=0.32$

We need to find 95% confidence interval.

so, z = 1.96

So, margin of error would be

$z\times \sqrt{\dfrac{p(1-p)}{n}}\\\\=1.96\times \sqrt{\dfrac{0.32\times 0.68}{1200}}\\\\=1.96\times 0.0135=$

So, Interval would be

$\hat{p}\pm \text{margin of error}}\\\\=0.32\pm 0.0263\\\\=(0.32-0.0263,0.32+0.0263)\\\\=(0.2937,0.3463)\\\\=(0.294,0.346)\\\\=(29.4\%,34.6\%)$

Hence, Option 'c' is correct.

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3 years ago

a woman buys a pair of shoes at a sale.she pays $60,saving $15 on the regular price.The percentage discount on the shoe is

AleksandrR [38]

20% because 75 is the total price and 75 over 15 is 5 and 100 divided by 5 is 20

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3 years ago

Please please help me please

MAVERICK [17]

Answer:

1st option is the answer

Step-by-step explanation:

blue line: slope is 1 and y-intercept is 1; therefore equation is y= x + 1

red line: slope is -1 and y-intercept is -3; therefore equation is y= -x - 3

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3 years ago

What is the measure of the compliment of an angle if it’s supplement is 145

Ivahew [28]

_________
180-145=35
90-35=55

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3 years ago

Read 2 more answers

The point (-7,6) is in the

san4es73 [151]

Answer:

need a pic to see

Step-by-step explanation:

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3 years ago