What is the formula for calculating the perimeter of a triangle?
Unit 6 Review

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Mathematics
•
6th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
The perimeter of a triangle is calculated by adding the lengths of all three sides: P = a + b + c.
2.
FLASHCARD QUESTION
Front
If the perimeter of a triangle is 104 units and the combined length of two sides is 64 units, how do you find the length of the third side?
Back
Subtract the combined length of the two sides from the perimeter: Third side = Perimeter - Combined length = 104 - 64 = 40 units.
3.
FLASHCARD QUESTION
Front
What equation can be used to determine how many days it will take Alyssa to finish her book if she reads 5 pages a day after the first day?
Back
The equation is 5x + 25 = 350, where x is the number of days after the first day.
4.
FLASHCARD QUESTION
Front
Back
In this equation, 'x' represents the unknown value that, when added to 10, equals 45.
5.
FLASHCARD QUESTION
Front
Back
The situation 'There are 45 students in a group. There are also 10 adults in the group.' cannot be represented by this equation.
6.
FLASHCARD QUESTION
Front
What is the solution to the equation -12x = 54?
Back
To solve for x, divide both sides by -12: x = -rac{54}{12} = -4.5.
7.
FLASHCARD QUESTION
Front
What does the number line representation of an equation indicate?
Back
A number line representation shows the possible values of the variable that satisfy the equation.
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