Andrew began work at 6:45 AM. He went to lunch at 11:30 AM. After lunch, Andrew returned to work at 12:30 PM and worked until 3:
15 PM. How many hours and minutes did Andrew work?
3 hours, 30 minutes
7 hours, 30 minutes
8 hours, 0 minutes
8 hours, 30 minutes
1 answer:
I think it is D. 8 hours and 30 minutes
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X = larger number, y = smaller number
x = y + 12
x + y = 74
y + 12 + y = 74
2y + 12 = 74
2y = 74 - 12
2y = 62
y = 62/2
y = 31
x = y + 12
x = 31 + 12
x = 43
so ur 2 numbers are : 43 and 31
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3x + 6
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= 3(x) + 3(2)
= 3x + 6
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4(2p−1)
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A
Step-by-step explanation:
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Question 7:
Diameter = 6.2 cm so Radius = 3.1 cm
A=πr² = 3.14 × 3.1² = 30.1754 cm² = 30.18 cm²
Question 8:
Circumference = 2πr
16π = 2πr
therefore 16 = 2r so r = 8cm
