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2 years ago

15

There are 7 animals in the barn. Some are chickens and some are oxen. There are 20 legs in all. How many of each animal are ther

e? (Please show all work)

1 answer:

zubka84 [21]2 years ago

5 0

Answer:

4 Chickens, 3 Oxen

Step-by-step explanation:

Given:

7 animals
20 legs total

Known:

Chickens have 2 legs
Oxens have 4 legs

Solution:

4 Chickens have a total of 8 legs (2 + 2 + 2 + 2)
3 Oxen have a total of 12 legs (4 + 4 + 4)
There are a total of 20 legs in total between the chickens and oxens.

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Edited : I apologise I misunderstood the question.

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3 years ago

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A man travels from town x to town y at an average rate of 60 mph and returns at an average rate of 50 mph. He takes a 1/2 hour l

Georgia [21]

D/60 + D/50 = 2D/55 - 1/2

find common denominator ( 3300)

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3 years ago

Use your calculator to select the best answer below:

bixtya [17]

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3 years ago

Is 9.521521521 rational or irrational

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If they don't terminate, but the pattern continues (which I suspect is the case here), yes, it's still rational.

If <em>x</em> = 9.521521521…, then

1000<em>x</em> = 9521.521521521…

Subtract <em>x</em> from this to eliminate the fractional part:

1000<em>x</em> - <em>x</em> = 9521.521521521… - 9.521521521…

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<em>x</em> = 9512/999

If they don't terminate, but the pattern does <em>not</em> continue, meaning the next few digits could be something random like

9.521521521<u>19484929271283583457</u>…

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3 years ago