Answer:
Option A) The sum of x and y is a rational number
Step-by-step explanation:
we know that
A <u>rational number</u> is a number that can be written as a ratio or quotient of two integers
so
In this problem we have
Is a rational number, because the number can be written as a ratio or quotient of two integers
Example
First you can use simple multiplication. Take out the zeroes from 40 and 80. You get 4 and 8. 4 multipled by 8 is 32. so that means that 80 times 40 is 320
Answer:
Congruent
Step-by-step explanation:
The highest common factor of 5, 3, and 4 is 60, so therefore the lights will flash at the same time after 60 seconds.
Answer:
B, c
Step-by-step explanation: