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goldfiish [28.3K]
3 years ago
14

A jar contains 1 blue marble, 11 yellow marbles, and 8 green marbles. What is the probability of randomly choosing a blue marble

, replacing it, and then choosing a blue marble again?
Mathematics
2 answers:
vitfil [10]3 years ago
6 0

Answer:

1/10

Step-by-step explanation:

Katen [24]3 years ago
4 0

Answer:

1/20

Step-by-step explanation:

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A clock tower has a circular clock face with an area of 144pi square feet. What is the diameter of the clock face? Teacher wants
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Answer:

d = 24

Step-by-step explanation:

The area of a circle is given by A = π * r²

We are told the area of the clock is 144π.

Let's clear the formula for the radius:

r² = A / π

r² = 144π / π

r² = 144

r = √144

r = 12

The diameter is two times the radius, d = 2r = 2*12 = 24.

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Look at picture for explanation

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Svetradugi [14.3K]

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50.020 and 50.02

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8 0
3 years ago
Read 2 more answers
Write the inequality (without solving)
Lesechka [4]

Answer:

2.15f+4.6n\leq 150

Step-by-step explanation:

She has a budget of $150, which means that she can spend no more than that amount. Therefore, use the less than or equal to symbol: ≤

Each folder is $2.15, so you are going to multiply: 2.15 × f

Each notebook is $4.60, so you will multiply: 4.6 × n

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Make the equation:

2.15f+4.6n\leq 150

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