Answer:
11 days
Step-by-step explanation:
380-160=220
20 times 11 =220
answer 11 days
When waves travel from one medium to another the frequency never changes. As waves travel into the denser medium, they slow down and wavelength decreases. Part of the wave travels faster for longer causing the wave to turn. The wave is slower but the wavelength is shorter meaning frequency remains the same
Answer:
X> -6
Step-by-step explanation:
hope this helps
Answer:
C. 4x + 1.
Step-by-step explanation:
(5x+3)-(x+2) First remove the parentheses. Remember to distribute the negative over the second one:
= 5x + 3 - x - 2 Bring like terms together:
= 5x - x + 3 - 2 Simplify like terms:
= 4x +1.
Answer:
hiii
Step-by-step explanation:
1. Multiply both sides by 3
38/3x x 3 +16/3. x =-20x3
2. Simplfy
38x+16=-60
3. Subtract 16 from both sides
38x+16-16=-60-16
4. Simplfy
38x=-76
5. Divide both sides by 38
38x/38=-76/38
6. Simplfy
x=-2