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3 years ago

6

1.) The train is averaging 45mph.

1 answer:

Marta_Voda [28]3 years ago

8 0

I think 1) B I don't know what 2 is but it isn't A or B it is between C or D

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What is a cellular organelle? list 5 different organelles that a cell might possess, and indicate the function of each. also, sp

timurjin [86]

A cellular organelle is a structure in the cell that performs a specific function.

Nucleus - stores cell's DNA; DNA replication occurs here

Ribosome - produce protein; "factories" of the cell

Mitochondria - breaks down food for energy to be used by the cell; "powerhouse" of the cell

Vacuole - store materials such as food, water, sugar, minerals, and waste products

Endoplasmic reticulum - carry materials throughout the cell; "transport system"

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3 years ago

Joyce is planting tulips in her garden, and she has 5 red bulbs and 5 white bulbs to plant in one row. What is the probability t

Stolb23 [73]

Answer:

$\frac{1}{126}$ or 0.0079.

Explanation:

Joyce is planting tulips in her garden.

Number of red (R) bulbs = 5

Number of white (W) bulbs = 5

Total number of ways to plant 10 bulbs in one row is

$\text{Total ways}=\frac{10!}{5!5!}$

$\text{Total ways}=\frac{10\times 9\times 8\times 7\times 6\times 5!}{5\times 4\times 3\times 2\times 1\times 5!}$

Cancel out common factors.

$\text{Total ways}=252$

It is given that she randomly plants the bulbs so that all 5 red bulbs are next to each other and all 5 white bulbs are next to each other.

Required outcomes are

RRRRRWWWWW and WWWWWRRRRR

$\text{Required outcomes}=2$

Formula for probability:

$Probability=\frac{\text{Required outcomes}}{\text{Total ways}}$

$Probability=\frac{2}{252}$

$Probability=\frac{1}{126}$

$Probability\approx 0.0079$

Therefore the required probability is $\frac{1}{126}$ or 0.0079.

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3 years ago

There are two types of factors that change environments. these are biotic factors and _______ factors.

AVprozaik [17]

Abiotic and Biotic factors

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Maurinko [17]

Answer:

<h3>Yes</h3>

She always prepared food.

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2 years ago

What skills did Sue Hendrickson use when she discovered Sue

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Whatd did she discover?? it doesnt make sense

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