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2 years ago

I really don’t get it

Mathematics

1 answer:

posledela2 years ago

8 0

you just add 8 + 8 + 8 it equals 24. rounded it will be 20

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im pretty sure thats how you do it if not sorry

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Pls help i give u brainliest and 5 stars

Umnica [9.8K]

Answer:

Step-by-step explanation:

Diameter = 14 cm

r = 14/2 = 7 cm

Outer surface area of hemisphere =2πr²

= 2π*7*7

= 98π cm²

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2 years ago

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Help! Plz thank you!!!!

Brums [2.3K]

Answer:

i do not see a picture or an image of what you need.

Step-by-step explanation:

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2 years ago

Jonas solved an equation incorrectly, as shown below:

alexandr1967 [171]

So first he has to divide both sides by 8
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he multiplied the right side by 8 but divided left by 8
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2 years ago

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Suppose that the weights of 5400 registered female Labrador retrievers in the United States are distributed normally with a mean

Maurinko [17]

Answer:

$N= 4543$ Labrador retrievers

Step-by-step explanation:

We know that the mean $\mu$ is:

$\mu = 62.5$

and the standard deviation $\sigma$ is:

$\sigma=2.5$

The probability that a randomly selected Labrador retriever weighs less than 65 pounds is:

$P(X$

We calculate the Z-score for X =65

$Z = \frac{X-\mu}{\sigma}\\\\Z =\frac{65-62.5}{65}=1$

$P(X$

Looking in the table for the standard normal distribution we have to:

$P(Z$ .

Finally the amount N of Labrador retrievers that weigh less than 65 pounds is:

$N = P(X$

$N = 0.8413*5400$

$N= 4543$ Labrador retrievers

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3 years ago

BRAINLIEST! PLEASE HELP, ON A TIMER!

frozen [14]

There 6 possible outcomes for a roll of a die. So if there are two dice, then it's $6\cdot6=36$

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3 years ago