Answer:

General Formulas and Concepts:
<u>Pre-Algebra</u>
Order of Operations: BPEMDAS
- Brackets
- Parenthesis
- Exponents
- Multiplication
- Division
- Addition
- Subtraction
Equality Properties
- Multiplication Property of Equality
- Division Property of Equality
- Addition Property of Equality
- Subtraction Property of Equality<u>
</u>
Step-by-step explanation:
<u>Step 1: Define</u>
<u />
<u />
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<u>Step 2: Solve for </u><em><u>x</u></em>
- [Multiplication Property of Equality] Cross-multiply:

- [Division Property of Equality] Divide 5 on both sides:

Answer:

Step-by-step explanation:
Let the weight of the bag of sand with an unknown weight be given as "x" pounds. Then, the difference between the weight of an average bag of sand which is given to be as 22.3 pounds, is given as
. Therefore, the absolute value function describing the difference between the weight of an average bag of sand and a bag of sand with an unknown weight will be given as:
.
Let us represent this by f(x) or y. And thus, we get:

Complementary angles add up to 90°. The complement of a 27° angle is 90°-27°= 63°.
Supplementary angles add up to 180°. The supplement of a 27° angle is 180°-27°=153°
Answer:
3,960 degrees
Step-by-step explanation:
The sum of interior angles of a polygon can be found using:
S= (n - 2)*180
where s is the sum, and n is the number of sides.
This is a 24 sided polygon. Therefore, substitute 24 in for n (number of sides).
S = (24 - 2)*180
Subtract inside the parentheses first
S= (22)*180
Multiply 22 and 180
S=3960
The sum of the interior angles of a 24 sided polygon is 3,960 degrees
Answer:
True.
Step-by-step explanation:
Computers have been used to check odd numbers up to 10^300 and no odd perfect numbers exist in this range , but that is not a proof that they don't exist.