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Step-by-step explanation:
pop goes the weasel is quadratic formula song
143 is composite. To be prime it has to have only 2 divisors i.e it's self and one but since it has 4 divisors ( 143, 1, 11 and 13) it is composite.
Answer:
The legs of a 45 45 90 triangle are congruent so if one leg is x we can write (using the Pythagorean Theorem):
x² + x² = 18²
2x² = 324
x² = 162
x = 9√2
Answer:
The value of x is -3.
Explanation:
Given the equation:

Step 1: Distribute 4 in the left-hand side.

Step 2: Collect like terms.

Step 3: Divide both sides by 3.

The value of x is -3.