Answer:
2
Step-by-step explanation:
The equation illustrates inverse property of addition.
Explanation:
The equation is 
The equation illustrates inverse property of addition.
The inverse property of addition states that the sum of a negative number and the same number which is positive will always be equal to zero.
Thus, the number added to its opposite sign results in zero.
In other words, the purpose of inverse property of addition is to get the result zero after addition.
Hence, the equation illustrates inverse property of addition.
Answer:
Because they created the word while it was being built.
Answer:
No, the measurements given cannot be used to create a triangle.
Explanation:
The sum of all the angles of a triangle should be 180°.
Here,
55°+80°+55°=190°
which is not equal to 180°.
So, the traingle cannot be formed using the given measurements.
Answer:
The correct answer is marked
Step-by-step explanation:
The parallel sides left and right have measures 120 ft and 80 ft, respectively.
The measures of the equal-length slanted sides at top and bottom can be found from the Pythagorean theorem.
Each left-side end-point is 20 ft off the horizontal, and the horizontal distance is 140 ft. Then the Pythagorean theorem tells you the slant length is ...
√(20² +140²) = √20,000 ≈ 141.42 . . . ft
So, the perimeter is the sum of side lengths:
120 ft + 2×141.42 ft + 80 ft = 482.84 ft ≈ 482.8 ft
