Answer:
Step-by-step explanation:
Distance between origin (0, 0) and point (x, y) is given as:
How can you obtain the graph of y=x+4 from the graph of y=x using a horizontal translation
1 answer:
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Answer:
<em>Cathy was born in 1980 and she was 18 years old in 1998</em>
Step-by-step explanation:
<u>Equations</u>
This is a special type of equations where all the unknowns must be integers and limited to a range [0,9] because they are the digits of a number.
Let's say Cathy was born in the year x formed by the ordered digits abcd. A number expressed by its digits can be calculated as
In 1998, Cathy's age was
And it must be equal to the sum of the four digits
Rearranging
We are sure a=1, b=9 because Cathy's age is limited to having been born in the same century and millennium. Thus
Operating
If now we try some values for c we notice there is only one possible valid combination, since c and d must be integers in the range [0,9]
c=8, d=0
Thus, Cathy was born in 1980 and she was 18 years old in 1998. Note that 1+9+8+0=18
Answer:
<h2>( 6 , 7 )</h2>Step-by-step explanation:
The midpoint M of two endpoints of a line segment can be found by using the formula
From the question we have
We have the final answer as
<h3>( 6 , 7 )</h3>Hope this helps you