2 years ago

Raul has 6 shoeboxes on his bookshelf. If he has 9 toy robots in each shoebox, how

Mathematics

1 answer:

Leviafan [203]2 years ago

7 0

Raul has 54 toy robots

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A bag contains 3 red balls and 2 blue balls. A ball is taken at random from the bag and then put back. And then a second ball is

mrs_skeptik [129]

6 balls in the bag
1/6 getting the random color
1/6=about .16
so C

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3 years ago

At the city museum, child admission is $5.20 and adult admission is $9.90 . On Monday, twice as many adult tickets as child tick

DiKsa [7]

To solve this, I would just find what two adult tickets and one child ticket wold be worth.

To find that, just do:

5.20 + 9.90 * 2, which makes 25.

So now you just find how many 25s are in 900, or 36.

So 36 children's tickets were sold that day.

Hope I helped :)

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3 years ago

M= 2/3, (0,2) i don’t understand it and all my grades are falling

larisa86 [58]

Answer:

y = 2/3x+2

Step-by-step explanation:

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3 years ago

What is the cube root of negative 8?

Nana76 [90]

Cbrt-8 = -2
..........

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3 years ago

The operating costs for each machine for one day have an unknown distribution with mean 1610 and standard deviation 136 dollars.

BabaBlast [244]

Answer:

20.27

Step-by-step explanation:

The Central Limit Theorem estabilishes that, for a random variable X, with mean $\mu$ and standard deviation $\sigma$ , the sample means with size n of at least 30 can be approximated to a normal distribution with mean $\mu$ and standard deviation $s = \frac{\sigma}{\sqrt{n}}$

Using the Central Limit Theorem for Means, what is the standard deviation for the sample mean distribution?

This is s when $\sigma = 136, n = 45$ . So

$s = \frac{136}{\sqrt{45}} = 20.27$

So the correct answer is:

20.27

3 0

3 years ago