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BigorU [14]
3 years ago
12

Mark this question "True" if the argument is VALID, and "False" if the argument is INVALID: If this number is larger than 6, the

n its square is larger than 36. The number is not larger than 6. ... Its square is not larger than 36. A. True B. False
Mathematics
1 answer:
sleet_krkn [62]3 years ago
7 0

This argument is no valid although the first part of the statement is valid. If a number is larger than 6 than its square must be larger than 36. But if the number is smaller than 6, its square does not need to be smaller than 36. For example...

(-100)²=10000

-100 is smaller than 6 but its square is bigger.

answer: False

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Using a system of equations, it is found that there are 5 dimes and 9 quarters in his pocket.

<h3>What is a system of equations?</h3>

A system of equations is when two or more variables are related, and equations are built to find the values of each variable.

In this problem, the variables are given as follows:

  • Variable x: number of dimes in his pocket.
  • Variable y: number of quarters in his pocket.

He has a total of 14 coins, hence:

x + y = 14 -> y = 14 - x.

They are worth $2.75, hence, considering the value of each coin(dimes $0.1 and quarters $0.25), we have that:

0.1x + 0.25y = 2.75

Since y = 14 - x:

0.1x + 0.25(14 - x) = 2.75

x = (0.25*14 - 2.75)/0.15.

x = 5.

y = 14 - x = 14 - 5 = 9.

There are 5 dimes and 9 quarters in his pocket.

More can be learned about a system of equations at brainly.com/question/24342899

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2 years ago
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Lapatulllka [165]

<u>Answer:</u>

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<u>Step-by-step explanation:</u>

We are given the following two functions and we are to find the value of g ( h ( - 3 ) ):

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Now substituting the value x=-3 in it:

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Step-by-step explanation:

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3 years ago
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tester [92]

Answer:

x = \frac{3}{20}

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x = \frac{3}{20}

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