Answer:
284.4
Step-by-step explanation:
Divide all numbers by 1.5. example: (10)1.5(12)1.5(81.5= 284.444444 but I rounded it to 284. You're welcome
Answer:
2·x²+4
Step-by-step explanation:
The sum is an answer to an addition problem and 2 times a number means to multiply by 2. That number is squared so you it's to the second power.
Answer:
Step-by-step explanation:
Recursive formula
a1 = -17
a^n = a^n-1 + 5
Explicit formula:
a^n = -17 + (n-1) * 5
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
To complete the situation, this can be found elsewhere:
<span>People: 5 Time: 2.10
People: 8 Time: 3.36
People:14 Time: 5.88
People:23 Time: 9.66
</span>
The choices are the below:
A: p = 0.42+ s, where s is time and p is the number of people
B: s = 0.42p2, where s is time and p is the number of people
C:p = 0.42+ s, where s is time and p is the number of people
D:s = 0.42p, where s is time and p is the number of people
The answer is letter D. Hope it helps.