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-Dominant- [34]
3 years ago
14

Simplify the expression 3 1/3/3 1/3. Explain how the expression and its simplified form show that the set of irrational numbers

is not closed under division
Mathematics
1 answer:
vampirchik [111]3 years ago
5 0
The expression given is ambiguous according to the standard rules of math (PEMDAS) due to the lack of appropriate parentheses and probably the exponentiation symbol ^.

From the context, I assume it to mean
(3^(1/3)) / (3^(1/3)) = 1

Since 3^(1/3) is the cube-root of 3, and is thus irrational.
However, the quotient is exactly 1, which is a rational number.

The example is therefore a counter-example for the statement that "set of irrational numbers is closed under division", or stated differently,
"<span>the set of irrational numbers is not closed under division"</span>
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Which absolute value represents a number less than |−0.14|?
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Answer:

A- l-0.13l

Step-by-step explanation:

l-0.14l is the same as 0.14

l0.13l is the same as 0.13

l-0.18l is the same as 0.18

l-0.2l is the same as 0.2

l14l is the same as 14

The only value that is less that 0.14 is 0.13, making A the correct answer.

3 0
3 years ago
The distance between two cities is one hundred miles, and a woman drives from one city to the other at a rate of fifty mph. At w
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It takes her (100 mi)/(50 mi/h) = 2 h to get to her destination. She has 1 h 40 min = 100 min for her 100 mi return trip.
.. (100 mi)/(100 min) = (60 mi)/(60 min) = 60 mi/h

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3 0
3 years ago
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Is 2y-x/6-4=0 a linear function
noname [10]

A equation of a linear function in a standard form:

Ax + By = C

2y-\dfrac{x}{6}-4=0\ \ \ \ |\cdot(-6)\\\\-12y+x+24=0\ \ \ \ |-24\\\\-12y+x=-24\\\\\boxed{x-12y=-24}

<h3>Answer: YES. It's a linear function.</h3>
3 0
3 years ago
Sam invests £1800 in the bank for four
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Answer:

£2088

or

US$ 2,536.48 dollars (2021)

Step-by-step explanation:

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72 x 4 = 288

1800 + 288 = 2088

He has £2088 at the bank after 4 year

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aleksley [76]

Answer:

Step-by-step explanation:

3/4 + 3/4 = 6/4 = 1 1/2= 1.5 (this is one hour)

1.5 x 2 = 3

she can walk 3 miles in 2 hours.

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3 years ago
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