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Strike441 [17]
3 years ago
6

What faction of the girls in the class have long brown hair and green hair? 3/4 of the girls have brown hair,3/4 of the girls ha

ve long hair and 1/3 of the girls have green eyes

Mathematics
1 answer:
Novay_Z [31]3 years ago
6 0

Answer:

A similar problem to yours is attached in the picture below. We adjust the data of the problem in the picture to fit your question.

The answer is (3/4)*(3/4)*(1/3) =  3/16  of the girls in the class have long brown hair and green eyes

Step-by-step explanation:

As every condition must contain the set we are studying, we are talking about and AND condition, and thus we need to multiply each term to get the correct result.

3/4 * (3/4) * (1/3) = 3/16

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The diameter of a wheel of a car is 30cm. If the car travels at an average speed of 13.2m/s, find the number of revolutions made
Marysya12 [62]

Answer:

Approximately 50420 revolutions (rounded to the nearest whole number.)

Step-by-step explanation:

Convert the diameter of this wheel to meters: d = 30\; \rm cm = 0.30\; \rm m.

Circumference of this wheel:

\pi \, d = \pi \times 0.30\; \rm m \approx 0.942\; \rm m.

Distance travelled in one hour:

\begin{aligned}v \cdot t &= 13.2 \; \rm m \cdot s^{-1} \times 3600\; \rm s \\ &= 47520\; \rm m\end{aligned}.

Number of revolutions required for covering that distance:

\displaystyle \frac{47520\; \rm m}{(\pi \times 0.30\; \rm m)} \approx 50420.

3 0
2 years ago
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Diano4ka-milaya [45]

Answer:

c because the x value is equal to the y value

Step-by-step explanation:

3 0
3 years ago
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Given the conversion factor 12 in/ 1 ft, which has the larger volume?
dsp73

Answer:

A. Cube A

Given:

Cube A volume = 5832 in³

For Cube B dimension in inches:

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5 0
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andre [41]

Answer:

(5y+2z)(y-4)

Step-by-step explanation:

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