Answer:
it needs to be less dense than water and weight needs to be equal to buoyant force.
Answer:
answer is 10
Step-by-step explanation:
Answer:
18
Step-by-step explanation:
Sum of x, y and z = 20 × 3
= 60
x-5+y+4+z-5 = 60-5+4-5
= 54
Mean of x-5, y+4 and z-5
= 54 ÷ 3
= 18
Answer:
36cm^2
Step-by-step explanation:
4cm×9cm=36cm^2
Answer:

Step-by-step explanation:
Exponent Multiplication Rule :

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Solving :
⇒ 
⇒ 
⇒ 