3 years ago

Describe a real world situation that is modeled by dividing two fractions or mixed numbers

Mathematics

1 answer:

murzikaleks [220]3 years ago

5 0

Answer:

Pizza two fraction 50 to 50

Step-by-step explanation:

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galben [10]

Answer: 0.0944

Step-by-step explanation:

Given : Sample size of cars : n= 150, sample size is greater than 30 , so we use z-test.

Number of cars tested do have faulty catalytic converters =42

Then the proportion of cars have faulty catalytic converters : $\hat{p}=\dfrac{42}{150}=0.28$

Critical value of z for 99% confidence level : $z_{\alpha/2}=2.576$

Formula for Margin of error :

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

$E=(2.576)\sqrt{\dfrac{0.28(1-0.28)}{150}}\\\\=0.0944377199216\approx0.0944\ \text{Rounded to four decimal places}$

Hence, the required margin of error = $0.0944$

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3 years ago

The average polar bear weights 1,200 pounds.the average grizzly bear weights 800 pounds.the average black bear weights 400 pound

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Just subtract so 1,200-400=800 pounds

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4 years ago

Multiply 214 by 112 using the standard paper and pencil algorithm

Artyom0805 [142]

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3 years ago

2x3 equals what because I didn’t get it

SashulF [63]

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Help pls!! giving brainliest :)

RideAnS [48]

Answer:

the answer is 5

Step-by-step explanation:

i hope its right if its not im so sorry plz dont rost me in the comments

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3 years ago

Describe a real world situation that is modeled by dividing two fractions or mixed numbers ​

Describe a real world situation that is modeled by dividing two fractions or mixed numbers