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Aloiza [94]
3 years ago
10

What is the value of d + e + f when d = 20, e = –4 and f = –2?

Mathematics
1 answer:
saw5 [17]3 years ago
5 0
20 - 4 - 2 = 14.  A negative number is just like subtracting it.
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Over a period of 12 weeks, Carlos ran an average of 21 miles per week. How many kilometers is this? Round your answer to the nea
velikii [3]

Answer:

405.80

Step-by-step explanation:

So, we know Carlos ran 21 miles per week, for 12 weeks....

That makes 21 mi/wk x 12 weeks = 252 miles.

Then we know each km is 0.621 mile.

So, we divide 252 miles by 0.621 mile/km to get= 405.80 km

Dividing miles by miles/km gives us the unit we want (km).

<u>There was a trap in this question,</u> because if instead of dividing the 252 miles by 0.621 you would have multiplied it, you would have gotten another answer listed... just not the right one. :-)

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11111nata11111 [884]
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Step-by-step explanation:

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3 years ago
An iceberg weighs 450,000 pounds if it loss 0.2% of its weight in a day, what is its new weight at the end of the day
marysya [2.9K]

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kiruha [24]

Answer:

8.86 x 10^8

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