An elephant at the zoo drinks 88 gallons of water each day. The table shows the number of days the elephant drinks water and the
number of gallons this elephant drinks during that time. What is the expression for the number of gallons this elephant will drink in x days?
days/gallons table
A x + 88
B x - 88
C x over 88
D 88x
days/gallons table
A x + 88
B x - 88
C x over 88
D 88x
2 answers:
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Given:
The expression is
To find:
The equivalent expression.
Solution:
Distributive property of multiplication over addition is
Where, a, b and c are real numbers.
We have,
Using distributive property, we get
Therefore, the expression is equivalent to the given expression.
we conclude that the center of the circle is the point (-5, 0).
<h3>How to find the center of the circle equation?</h3>The equation of a circle with a center (a, b) and a radius R is given by:
Here we are given the equation:
Completing squares, we get:
Now we can add and subtract 25 to get:
Comparing that with the general circle equation, we conclude that the center of the circle is the point (-5, 0).
If you want to learn more about circles:
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