Their frequency stays the same and their wavelength decreases
Answer:
GIVE BRAINLIEST PLZ
I DONT NEED THNX
x = -15
Step-by-step explanation:
1) Four times sum of a number and 10
4(x + 10)
2) is equal to 100 added to 8 times the number
4(x+10) = 8x + 100
x + 10 = 2x + 25
-15 = x
Answer:
5 pounds
Step-by-step explanation:
Answer:
55 1/2 feet
Step-by-step explanation:
.25 yards = 9 inches
9 inches x 74 bookmarks= 666 inches
12 inches = 1 foot
666 inches/12 inches = 55.5 feet