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Lana71 [14]
3 years ago
14

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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Automobile mechanics conduct diagnostic tests on 150 new cars of particular make and model to determine the extent to which they
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

6 0
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
Sonja [21]
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]
If you multiply 214 by 112 you would get the answer 23,968.Believe me i did the math.

6 0
3 years ago
2x3 equals what because I didn’t get it
SashulF [63]
Ok so 2x3= 6 so yeah
8 0
3 years ago
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Help pls!! giving brainliest :)
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the answer is 5

Step-by-step explanation:

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