2 years ago

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Mathematics

1 answer:

stepan [7]2 years ago

8 0

Answer:

Step-by-step explanation:

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If 7 || m, find the value of x<br> (9x - 4)' Us 4+ (5x + 16)"

KonstantinChe [14]

Answer:

Step-by-step explanation:

9x - 4 + 5x + 16 = 180

14x + 12 = 180

14x = 168

x = 12

7 0

3 years ago

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Given 2x – 4y= 4:<br> Transform this equation into slope-intercept form

jeka57 [31]

Answer:

y=1/2x-1

Step-by-step explanation:

-4y=4-2x

4y=4-2x

y=-1+1/2x

y=1/2x-1

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3 years ago

The town of Madison has a population of 25{,}00025,00025, comma, 000. The population is increasing by a factor of 1.121.121, poi

cestrela7 [59]

Answer:

$P(t)=25,000(1.12)^t$

Step-by-step explanation:

we know that

The equation of a exponential growth function is given by

$P(t)=a(b)^t$

where

P(t) is the population in Madison

t is the number of years

a is the initial value

b is the factor of growth

we have

$a=25,000\ people\\b=1.12$

substitute

$P(t)=25,000(1.12)^t$

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3 years ago

If Zoey has 26380345 candy then gave a equal amount to her 8 friends then she stole 82 back from each friend and some friends ca

mr Goodwill [35]

Is this a real question

Step-by-step explanation:

6 0

3 years ago

You are a researcher studying the lifespan of a certain species of bacteria. A preliminary sample of 35 bacteria reveals a sampl

pickupchik [31]

Answer: Sample size would be 296.

Step-by-step explanation:

Since we have given that

Standard deviation = 4.8 hours

Margin of error = 0.65 hours

At 98% level of confidence, z = 2.33

So, It becomes,

$0.65=z\times \dfrac{\sigma}{\sqrt{n}}\\\\0.65=2.33\times \dfrac{4.8}{\sqrt{n}}\\\\\dfrac{2.33\times 4.8}{0.65}=\sqrt{n}\\\\n=(\dfrac{11.184}{0.65})^2\\\\n=17.206^2\\\\n=296.051$

Hence, sample size would be 296.

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2 years ago

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