Answer:
The dimensions of the desktop are (x+7) units by (x-7) units
Step-by-step explanation:
we know that
The difference of squares is equal to
we have
Remember that
substitute
Applying difference of squares
therefore
The dimensions of the desktop are (x+7) units by (x-7) units
5y+1-10y-7
After combining like terms:
-5y-6
The number that 7 belongs to is a rational number.
<h3>What is a rational number?</h3>
It should be noted that a rational number is a number that is expressed as the ratio of two integers.
In this case, the denominator should not be equal to zero, whereas an irrational number cannot be expressed in the form of fractions.
Rational numbers are terminating decimals but irrational numbers are non-terminating and non-recurring.
Therefore, the number that 7 belongs to is a rational number.
Learn more about numbers on:
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Answer:
Step-by-step explanation:
<u>Operation of Functions</u>
Given:
The sum of (f+g) (x) is:
We cannot operate with the expression inside the absolute bars, thus:
Answer:
59
Step-by-step explanation:
The answer is 59 because when you add 24 and 7 it is 31 and 31 +59 makes a 90° angle.
