Decibel is directly proportional to number of cars passing the point. That is,
69 db ----- 139 cars
x db ----- 17 cars
x = number of cars passing the point per minute on a weekend.
Then,
x= (69*17)/139 = 8.43 db ≈ 8 db
Answer:
See below
Step-by-step explanation:
"Like terms" are terms with the same variable or exponents.
You can add or subtract these just like you would with regular numbers.
Examples:
2x + 4x = 6x
5xy + 7xy = 12xy
6
+ 5
= 11
Let me know if you need more examples or have any questions :)
Answer:
0
Step-by-step explanation:
P=( )
E=exponents
M/D=multiplication or division
A/S= addition or subtraction
15-(37+8)÷3
first you start out with whats inside the () which is (37+8) which equals (45)
15-(45)÷3
after you want to divide 45 by 3 which is 15
15-15
you get 0