They're not equivalent.
(vertical bars) represents the absolute value of x. How it works is that it turns negative numbers positive but leaves 0 and positive numbers alone (hence it gets a number's distance from 0 on the number line).
(square brackets) usually represents the floor function, which returns the largest integer that is less than or equal to x. (The floor of x can also be written as
--- it depends on what your textbook/source says).
To solve
, you first transform it into the equivalent equation
. Then by definition of absolute value, there are only two solutions for the first equation: x = 10 or x = -10.
[x] = 10 has infinitely many solutions. For example, the floor of 10 is 10, so
, thus a solution for the second equation is x = 10
The floor of 10.1 is 10, so
, thus another solution for the second equation is x = 10.1.
The two equations do not have the same solution set (as x = 10.1 does not solve |x| - 3 = 7 but solves [x] = 10), so they're not equivalent.
Answer: 98! :)
Explanation:
4/3 = ?/42
42 divided by 3 is 14.
Multiply 14 x 4 = 56.
4/3 = 56/42
Now you add 56 + 42 = 98.
Answer:
288
Step-by-step explanation:
plz brainliest
Here is the diagram A,B,C,D are the answers so the guy who said x=6 is wrong
I think the answer is 9987.38 years
Hope this helps :)