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marta [7]
3 years ago
12

A square has symmetry with respect to a line containing a median of the square.. . true or false?

Mathematics
2 answers:
Naddik [55]3 years ago
8 0

Answer with explanation:

Consider a Square ABCD, in which

There are two kind of Symmetry

1. Line of Symmetry

2. Rotational Symmetry

When you talk about the Symmetry which is a Median , you talk about Line of Symmetry.

There are two median lines in a Square.Apart from that there are two diagonals through which square looks Symmetrical.

So, there are four lines of Symmetry in a square.

→When you rotate a Square through a complete revolution, four times it appears identical to it's original Shape.So, Rotational Symmetry of Square =4

Yes, it is a true Statement which states A square has symmetry with respect to a line containing a median of the square.

9966 [12]3 years ago
7 0
TRUE. <span>A square has symmetry with respect to a line containing a median of the square

</span><span>The square has eight symmetries - four rotations, two mirror images, and two diagonal flips:</span>
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ValentinkaMS [17]

Answer:

Step-by-step explanation:

a: is not proportional

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b: is proportional

becuase you can divide the top and bottom by 30 so the answer is 30

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4 0
3 years ago
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What is f ( 1/3)? When the function is f(x) =-3x+7
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Answer:

f(1/3) = 6

Step-by-step explanation:

f(x) =-3x+7

Let x = 1/3

f(1/3) =-3*1/3+7

        = -1 +7

       = 6

5 0
3 years ago
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The waiting times between a subway departure schedule and the arrival of a passenger are uniformly distributed between and minut
galben [10]

Complete Question

The waiting times between a subway departure schedule and the arrival of a passenger are uniformly distributed between   0  and   7  minutes. Find the probability that a randomly selected passenger has a waiting time  greater than 1.25  minutes.

Answer:

The probability is  P(X >  1.25)  =  0.8214    

Step-by-step explanation:

From the question we are told that

    The start time is  a  = 0 minutes

     The end time is  b =  7 minutes

Generally the probability that a randomly selected passenger has a waiting time  greater than 1.25  minutes is mathematically represented as

      P(X >  1.25)  =  1 - P(X \le 1.25)  

=>    P(X >  1.25)  =  1 - \frac{1.25 -  a}{ b-  a }  

=>    P(X >  1.25)  =  1 -0.1786

=>   P(X >  1.25)  =  0.8214    

5 0
4 years ago
Consider the function f(x) = x^2 – 331. Chivonne claims a domain restriction x ≥ 0 produces the inverse function f–1(x) = √ x -
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Answer:

The correct option is;

D) Neither the domain restriction nor the expression for f⁻¹(x) is correct

Step-by-step explanation:

The given function can be written as follows;

f(x) = x² - 331

The inverse of the function f(x), which is f⁻¹(x), can be found as follows;

Let f(x) = x² - 331 = y, we have;

f(x) + 331 = x²

x = √(f(x) + 331)

We replace x with f⁻¹(x) and f(x) with x, to get;

f⁻¹(x) = √(x + 331)

We note that the domain of the inverse function will include values from x ≥ -331, and the correct inverse function √(x + 331) ≠ √x - 331

Therefore, we have that neither the domain restriction nor the expression for f⁻¹(x) is correct.

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4 years ago
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Answer:

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Step-by-step explanation:

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