Answer:
4 times 5 = 20, and 20 is... well.. 20
Step-by-step explanation:
When a number has another number in parentheses by it, it means you multiply the numbers together. So 4(5) is the same as 4 times 5, which equals 20
Answer: The potential energy decreases and the kinetic energy increases
Step-by-step explanation:
When a body is at rest , the Potential energy is maximum because the body is not moving and the acceleration is therefore zero but as soon as the body starts moving , it will convert the potential energy to kinetic energy , therefore the kinetic energy will therefore increase.
Answer:
Only 3 boards can be cut if they are whole
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Answer:
C. 3/5
Step-by-step explanation:
Probability that M will occur =1-0.8=0.2=1/5
Probability that R will occur = 1-0.6=0.4=2/5
Probability that either of them will occur= 1/5 + 2/5= 3/5
Step-by-step explanation:
<h2>
mean means average</h2><h2>
ie 2+28+2+20+22/5 = 14.8 years</h2>
