Answer:
x=0
Step-by-step explanation:
18x-2x=4x
16x=4x
16x-4x=0
12x=0
x=0/12
x=0
Answer:
<em>12^2 + x^2 = 13^2</em>
Step-by-step explanation:
The student's error was that he didn't use the Pythagorean Theorem correctly
According to the Pythagorean Theorem, <em>a^2 + b^2 = c^2</em>, where c represents the hypotenuse
However, the student replaced <em>c</em> with <em>x</em>, which isn't the hypotenuse
The hypotenuse is 13, so <em>c</em> should be 13, not <em>x</em>
Answer:
42.43
Step-by-step explanation:
13.58....contains 1 ten, 3 ones, 5 tenths, 8 hundredths
