The additive identity property states that for every number a, you have
You're showing this property when you write
15 guests are in attendance and 4 of them are randomly selected to receive a door prize. if all 4 prizes are identical, in how m
1 answer:
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Answer:
x = 7
Triangle area formula: base * height * 1/2
We are given:
Base - 14 cm
Height - x
Using the pythagorean theroem (a^2 + b^2 = c^2) we can figure out the height.
We are given:
Side a - 14 / 2 = 7 cm
Side b - the height (x)
Side c - 14 (it's an equilateral triangle)
Now, substitute the given values:
7^2 + x^2 = 14^2
49 + x^2 = 196
x^2 = 147
x =
x = 7