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Secondary 1 | Maths
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Pls help qn11,12
Date Posted: 3 weeks ago
Views: 86
Q(12)
30÷2 = 15
8+7=15
height
=784÷(8×7)
=14 cm (Ans)
30÷2 = 15
8+7=15
height
=784÷(8×7)
=14 cm (Ans)
Q(11)
18=2×3²
30=2×3×5
LCM(18,30)=2×3²×5
= 90
July → 31 days
Aug → 31 days
90 - 2×31 = 28
28+1 = 29
Ans : 29ᵗʰ Sep
18=2×3²
30=2×3×5
LCM(18,30)=2×3²×5
= 90
July → 31 days
Aug → 31 days
90 - 2×31 = 28
28+1 = 29
Ans : 29ᵗʰ Sep
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prime number
Date Posted:
3 weeks ago
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