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Paladinen [302]
3 years ago
8

Pls help I’ll brainlest and add extra points do 1-7

Mathematics
1 answer:
Andreyy893 years ago
8 0

Answer:

Step-by-step explanation:

rational numbers end but irrational numbers goes on. example the value of π never ends it goes on 3.14....

1. -1 is rational

2. is irrational because it goes on forever 0.333333...... a bar on top means it never ends.

3. -4.8 is rational because it ends at 8.

4. \sqrt{16} is rational because its root of 16 is 4 which is a definite value.

5. -20/4 = -5. it is rational because its value is -5 and its a definite value.

6. 7/1239 = is indefinite becuse its value does on forever 7/1239 is 5.649715...

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Sam practices his guitar for 9 hours each week he practices each song for 3 1/2 hours. What is the greatest number of song he ca
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Answer:

<em>The greatest number of song he can practice in a week is  2.</em>

Step-by-step explanation:

Suppose, the greatest number of song he can practice in a week is  x

He practices each song for 3\frac{1}{2} hours. So, the total time required for practicing x number of songs = (3\frac{1}{2}*x) hours.

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3\frac{1}{2}*x= 9\\ \\ x= 9\div 3\frac{1}{2}\\ \\ x=9\div \frac{7}{2}=9 \times \frac{2}{7}=\frac{18}{7}= 2.571.... \approx 2

<em>(Rounded as the greatest whole number)</em>

Thus, the greatest number of song he can practice in a week is  2.

4 0
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What is the area of circle with a diameter of 22 ft? (use 3.14 for pi; show your work in numbers)
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