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3 years ago

A turtle can swim 20 meters in 4 seconds. At this rate, how many meters can the turtle swim in 10 minutes?

Mathematics

1 answer:

Snezhnost [94]3 years ago

7 0

Answer:

3,000 meters

Step-by-step explanation:

10*60=600/4=150*20=3000 meters (I highly doubt a turtle can swim three kilometers in 10 min... especially if it's a box turtle).

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Suppose a simple random sample of size nequals36 is obtained from a population with mu equals 74 and sigma equals 6. (a) Descri

OlgaM077 [116]

Part a)

The simple random sample of size n=36 is obtained from a population with

$\mu = 74$

and

$\sigma = 6$

The sampling distribution of the sample means has a mean that is equal to mean of the population the sample has been drawn from.

Therefore the sampling distribution has a mean of

$\mu = 74$

The standard error of the means becomes the standard deviation of the sampling distribution.

$\sigma_ { \bar X } = \frac{ \sigma}{ \sqrt{n} } \\ \sigma_ { \bar X } = \frac{ 6}{ \sqrt{36} } = 1$

Part b) We want to find

$P(\bar X \:>\:75.9)$

We need to convert to z-score.

$P(\bar X \:>\:75.9) = P(z \:>\: \frac{75.9 - 74}{1} ) \\ = P(z \:>\: \frac{75.9 - 74}{1} ) \\ = P(z \:>\: 1.9) \\ = 0.0287$

Part c)

We want to find

$P(\bar X \: < \:71.95)$

We convert to z-score and use the normal distribution table to find the corresponding area.

$P(\bar X \: < \:71.95) = P(z \: < \: \frac{71.9 5- 74}{1} ) \\ = P(z \: < \: \frac{71.9 5- 74}{1} ) \\ = P(z \: < \: - 2.05) \\ = 0.0202$

Part d)

We want to find :

$P(73\:$

We convert to z-scores and again use the standard normal distribution table.

$P( \frac{73 - 74}{1} \:< \: z$

5 0

3 years ago

H represents the height of<br> H = 210 +33t<br> How fast does the tree grow

lisabon 2012 [21]

Answer:

243

Step-by-step explanation:

you just add

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3 years ago

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lawyer [7]

Answer:

4.8%

Step-by-step explanation:

Step 1: divide the numerator by denominator

Step 2: Multiply 100 with the answer.

....................................................................

6/125 = 0.048

0.048 * 100

=4.8%

6 0

3 years ago

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What does this equal tox= -9

Len [333]

I'm guessing you mean which equation Equals -9

In each equation you are needing to get rid of X so you divide on both sides

A) -45=5x

-45/5=x
-9=x

and I double checked to make sure nothing else equaled -9 so Your answer Is A

Hope this helped!

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3 years ago

I need help with 3 and 4

inn [45]

Simply divide the whole by the two HCF, Such as 5 and 3, and 7 and 3.

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