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ryzh [129]
2 years ago
13

The surface of a pond is being covered by oil leaking from a pipeline. The amount of surface area covered by the oil is doubling

each day. At this rate, the surface of the pond will be completely covered with oil at the end of the twenty-fifth day. What fraction of the surface area of the pond will be covered by oil at the end of 20 days?
Please answer it step-by-step. Thx
Mathematics
1 answer:
fomenos2 years ago
7 0

Answer:

Count

Step-by-step explanation:

Suppose that each day double 2, second day , will double 4, and for third day it's 16, etc.

For like those questions, just count.

Those questions are very simple, but other questions not like those, is not too simple.

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3 years ago
Write the rules for determining the sign of the product when multiplying integers. Then, write the rules for determining the sig
kolbaska11 [484]

An integer is a number that comprises of natural numbers like 0,1,2,3,4... so on and negative whole numbers like -1,-2,-3 and so on.

Multiplication Rules:

1. Product of two positive integers is always POSITIVE.

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2. Product of two negative integers is always POSITIVE.

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3. Product of a negative integer and a positive integer is always NEGATIVE.

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2. Positive integer divided by negative integer or negative integer divided by a positive integer is always NEGATIVE.

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3. Negative integer divided by a negative integer is always POSITIVE.

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7 0
4 years ago
Read 2 more answers
Barney has 16 1/5 yards of fabric. To make an elf costume, he needs 5 2/5 yards of fabric. How many costumes can Barney make?
AURORKA [14]
Total yards if fabric /fabric needed to make an elf costume
therefore 16 1/5 ÷ 5 2/5
=3
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8 0
4 years ago
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