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Bogdan [553]
3 years ago
6

If x^-2/3 = 1/36, then what does x equal?

Mathematics
1 answer:
Deffense [45]3 years ago
6 0

Answer:

i guess it is 1/6

Step-by-step explanation:

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If the population increase in a single day is 182,000 by how many millions of people does the worldwide population increase each
SOVA2 [1]
66.43 million people per year
8 0
4 years ago
Colton makes the claim to his classmates that less than 50% of newborn babies born this year in his state are boys. To prove thi
alexdok [17]

Answer:

Null hypothesis:p \leq 0.5  

Alternative hypothesis:p > 0.5  

The statistic is given by:

z=\frac{\hat p -p_o}{\sqrt{\frac{p_o (1-p_o)}{n}}} (1)  

Replacing we got:

z=\frac{0.512-0.5}{\sqrt{\frac{0.5(1-0.5)}{344}}}=0.445  

Step-by-step explanation:

Information given

n=344 represent the random sample taken

X=176 represent the anumber of boys babies

\hat p=\frac{176}{344}=0.512 estimated proportion of boys babies

p_o=0.5 is the value that we want to check

z would represent the statistic

p_v represent the p value

Hypotheis to verify

We want to check if the true proportion of boys is less than 50% then the system of hypothesis are .:  

Null hypothesis:p\leq 0.5  

Alternative hypothesis:p > 0.5  

The statistic is given by:

z=\frac{\hat p -p_o}{\sqrt{\frac{p_o (1-p_o)}{n}}} (1)  

Replacing we got:

z=\frac{0.512-0.5}{\sqrt{\frac{0.5(1-0.5)}{344}}}=0.445  

8 0
3 years ago
8 – 2x = 20<br> What is x
Nesterboy [21]

Here,

8-2x=20

or,8-20=2x

or, -12=2x

or, x=-12/2

therefore,

x=-6

8 0
3 years ago
The flow of water from a water faucet can fill a 3 gallon container in 15 seconds. Give the ratio of gallons to seconds as a rat
kkurt [141]

3 gallons in 15 seconds would be 3/15

so for 1 gallon 15/3 = 5

it would be 1 gallon every 5 seconds so 1/5

7 0
3 years ago
given that interior angle of a regular polygon is five times of its exterior angle, calculate the size of interior angle of the
Natali5045456 [20]

Answer:

Step-by-step explanation:

Let the exterior angle = x

Interior angle = 5x

x + 5x = 180   { interior angle and exterior angle are linear pair}

6x = 180

x = 180/6

x = 30

Interior angle = 5*30 = 150

7 0
4 years ago
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