Any number, except for 0, raised to zero is equal to ________. *
1 point
A. -1
B. 0
C. 1
D. undefined
Find the sum of (8c – 1) and (4c + 9). *
1 point
A. 12c + 8
B. 12c – 8
C. 12c – 10
D. 12c + 10
During a rebellion, the President gave the rebel soldiers 2 hours to go back to their barracks. What is the equivalent of 2 hours in seconds? *
1 point
A. 360 seconds
B. 600 seconds
C. 720 seconds
D. 7200 seconds
Which of the following pairs of angles are supplementary? *
1 point
A. 30˚ and 30˚
B. 30˚ and 120˚
C. 30˚ and 60˚
D. 30˚ and 150˚
Which of the following is the decimal form of -4/5 ? *
1 point
A. -4.5
B. -1.25
C. -0.8
D. 0.8
1 point
A. -1
B. 0
C. 1
D. undefined
Find the sum of (8c – 1) and (4c + 9). *
1 point
A. 12c + 8
B. 12c – 8
C. 12c – 10
D. 12c + 10
During a rebellion, the President gave the rebel soldiers 2 hours to go back to their barracks. What is the equivalent of 2 hours in seconds? *
1 point
A. 360 seconds
B. 600 seconds
C. 720 seconds
D. 7200 seconds
Which of the following pairs of angles are supplementary? *
1 point
A. 30˚ and 30˚
B. 30˚ and 120˚
C. 30˚ and 60˚
D. 30˚ and 150˚
Which of the following is the decimal form of -4/5 ? *
1 point
A. -4.5
B. -1.25
C. -0.8
D. 0.8
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Answers & Comments
Answer:
1. C
2. D
3. C
4. D
5. C
Step-by-step explanation:
1. Any number raised to zero is always equal to 1.
2.
3. 1 Hour = 60 minutes
1 minutes = 60 seconds
So, 1 hour = 60 minutes × 60 seconds = 360 seconds
Therefore, 2 hour = 2 × 360 seconds = 720 seconds
4. Supplementary angles are angles that has total of 180° or 'straight line'
so, 30° + 150° = 180°
5.