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mestny [16]
2 years ago
15

If the wingspan of the airplane on the blueprint is 15 centimeters long, what is the wingspan of the actual airplane?

Mathematics
1 answer:
dedylja [7]2 years ago
6 0
The answer is D. 37.5 because 2.5*15 is 37.5
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Aysha has 40 cubes in a bag.
marissa [1.9K]

Given:

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Blue cubes = 13

Yellow cubes = 9

Aysha adds some more red cubes into the bag.

The probability now that she will take a red cube is 0.5.

To find:

The probability that she will take a yellow cube.

Solution:

Let Aysha adds x red cubes into the bag. Then,

Number of total cubes = 40+x

Number of red cubes = 18+x

Probability of getting a red cube is:

P(Red)=\dfrac{18+x}{40+x}

The probability now that she will take a red cube is 0.5. So,

\dfrac{18+x}{40+x}=0.5

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Divide both sides by 0.5.

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P(Yellow)=\dfrac{\text{Number of yellow cubes}}{\text{Total number of cubes}}

P(Yellow)=\dfrac{9}{44}

Therefore, the required probability is P(Yellow)=\dfrac{9}{44}.

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3 years ago
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