3 years ago

What is the value of x? 84° 75° x+15° x+96° D E F G H

1 answer:

5 0

Answer:

The letter "x" is often used in algebra to mean a value that is not yet known. It is called a "variable" or sometimes an "unknown". In x + 2 = 7, x is a variable, but we can work out its value if we try!

Step-by-step explanation:

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Alexus [3.1K]

Answer: B. x = 40

Step-by-step explanation:

The angles given are supplementary.

Supplementary angles are any two angles that add to 180 degrees, most commonly seen on one side of a straight line.

As these angles are supplementary, we can solve for x by adding both angles to get 180:

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This means that the angle on the left is (3*40) + 15, or 135 degrees, while the angle on the right is 45 degrees. These angles add to 180 degrees.

The correct answer choice is B.

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