You are new in town and need to know how the streets flow in order to efficiently get around town. Your math friend decides to
1 answer:
Answer:
- The Fire Department and the School
- The Fire Department and the Hospital.
Step-by-step explanation:
On the matrix, a 1 represent the existence of a street between two buildings while a 0 indicates the absence of a street between any two building.
Let:
- F represent the Fire department
- S represent the School
- H represent the Hospital
- A represent the Apartment Building.
The heading by the side of the matrix is the <em>ith</em> entry while the headings on top is the <em>jth</em> entry. Movement is from ith position to jth position.
From the given matrix, the directed graph is presented in the attachment below.
From the graph, the following buildings have two-way streets between them.
- The Fire Department and the School
- The Fire Department and the Hospital.
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Answer:
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Step-by-step explanation:
<em><u>Question:</u></em>
Is square root of 1.6875 a rational number ?
<em><u>Answer:</u></em>
Square root of 1.6875 a rational number is not a rational number
<em><u>Solution:</u></em>
Given that we have to find square root of 1.6875 and determine if it is rational number or not
Let us first find square root of 1.6875
Let us understand about rational number
A rational number is a number that can be expressed as a fraction (ratio) in the form where p and q are integers and q is not zero.
When a rational number fraction is divided to form a decimal value, it becomes a terminating or repeating decimal.
So the number 1.29903810568 is not a rational number
<em><u>In other words we can say,</u></em>
Only the square roots of square numbers are rational. Here 1.6875 is not a perfect square. So it is not rational number