1) A submarine was situated 700 feet below sea level.If it ascends 155 feet,what is the new position?Explain how you arrived at your answer.
2)Danny ended round one of a game show with 600 points.In round two,he lost 200 points.He said that his final score ia 800 points.Is this correct? Justify your answer.
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Answer:
Subtraction:
Subtraction the mathematical process of taking away a quantity called the subtrahend from another quantity called minuend and the result is called the difference. To illustrate, the subtrahend below is b while the minuend is a and the difference is c:
a-b=c
Answer and Explanation: 1
The information from the submarine's ascent are:
Initial position =d1=800 ft below
Change in position =Δd=20 ft up
Initially the submarine is at a depth of 800 feet and it rose 250 feet. To find the final position, use the change in position (250 feet) as the subtrahend and the initial position (800 feet) as the minuend which will result in a difference equal to the final position (df):
df = 800 ft − 250 ft = 550 ft
The new depth of the submarine is at 550 feet.
Step-by-step explanation:
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ANSWERS:
1.) Add -700 to 155
It would be -700 because its below sea level
= -545 or 545 below sea level
2.) Yes, it is correct because if you add 600 and 200
=800