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Questions and Answers
What is the value of 4a-5b if 𝒂 + 𝒃 = 𝟐𝟒 & 𝒂𝟐 + 𝒃𝟐 = 𝟑𝟎𝟔, 𝒂 > 𝒃?
What is the value of 4a-5b if 𝒂 + 𝒃 = 𝟐𝟒 & 𝒂𝟐 + 𝒃𝟐 = 𝟑𝟎𝟔, 𝒂 > 𝒃?
- 12 (correct)
- 15
- 18
- 20
If y + 𝒚 = 𝟏𝟏, what is the value of y³ – 𝒚³?
If y + 𝒚 = 𝟏𝟏, what is the value of y³ – 𝒚³?
- 360√𝟏𝟑 (correct)
- 345√𝟏𝟑
- 352√𝟏𝟑
- 368√𝟏𝟑
When the cistern is full, in what time will the leak empty half of the cistern?
When the cistern is full, in what time will the leak empty half of the cistern?
- 84 hours (correct)
- 90 hours
- 78 hours
- 96 hours
What is the radius of the circle if AB = 28 cm, CD = 22 cm, and the distance between them is 4 cm?
What is the radius of the circle if AB = 28 cm, CD = 22 cm, and the distance between them is 4 cm?
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