3 years ago

How do you solve this?

Mathematics

1 answer:

Luba_88 [7]3 years ago

6 0

Answer:

X=-6, Y=-7/4 OR (-6,-7/4)

Step-by-step explanation:

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Step-by-step explanation:

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lakkis [162]

Answer:

Option B) 9.1

Step-by-step explanation:

We are given the following in the question:

Average score = 490.4

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Sample size, n = 49

Formula:

$=\dfrac{\sigma}{\sqrt{n}}$

Putting values, we get,

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Thus, the correct answer is

Option B) 9.1

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3 years ago

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3 years ago

A florist used 16 flowers to make a bouquet, including 6 lilies.

Novosadov [1.4K]

Answer:

3/8

Step-by-step explanation:

Values we are given :

16 flowers in total
6 lilies

We know that :

Probability of selecting an object from a group of items = Number of objects / Number of items

Therefore,

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2 years ago