Answer:
Coin probability = 1/2
Dice probability = 5/6
(1/2)x(5/6) = 5/12
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Answer:
382 ft³ (3 s.f.)
Step-by-step explanation:
Radius= diameter ÷2
Rdaius of sphere
= 9 ÷2
= 4.5 ft
Volume of sphere
= 382 ft³ (3 s.f.)
Answer:
Step-by-step explanation:
1+tan2A(tanA)=sec2A
Right hand side
sec2A=1cos2A=1cos2A−sin2A
=cos2A+sin2Acos2A−sin2A
=1+tan2A1−tan2A
=1−tan2A+2tan2A1−tan2A
=1−tan2A1−tan2A+2tan2A1−tan2A
=1+2tanA1−tan2A×tanA
=1+tan2A×tanA
=Left hand side
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Answer:
10 %
Step-by-step explanation:
15 mn = 1/4 h
We have :
Then the percentage that 15 mn represents of 5/2 h is :
0.1 × 100 = 10 %