Answer:
4800 dollars
Step-by-step explanation:
4000 multiply 0.2=800
4000+800=4800
So supplementary is an 180 angle and complimentary is 90 degree angle so that being said I could be wrong but that looks like a complimentary so a 90 degree angle it’s a 90 degree
Answer:
x = ± 
Step-by-step explanation:
Given
2x² - 9 = 11 ( add 9 to both sides )
2x² = 20 ( divide both sides by 2 )
x² = 10 ( take the square root of both sides )
x = ± ← exact solutions
Answer:
the negative is what make it wrong
Step-by-step explanation:
