Answer:
7
Step-by-step explanation: its right
Answer:
Step-by-step explanation:
Let the monthly rent be x.
<u>Then we have:</u>
- x + 0.5x + 0.4x = 3800
- 1.9x = 3800
- x = 3800/1.9
- x = 2000
Monthly rent is $2000
Answer:
It cost Hector $28.8
Step-by-step explanation:
How to find the answer:
36 - 20%
= $28.8
Answer: 0.9726
Step-by-step explanation:
Let x be the random variable that represents the distance the tires can run until they wear out.
Given : The top-selling Red and Voss tire is rated 50,000 miles, which means nothing. In fact, the distance the tires can run until they wear out is a normally distributed random variable with a 67,000 miles and a 5,200 miles.
Then , the probability that a tire wears out before 60,000 miles :
[using p-value table for z]
Hence, the probability that a tire wears out before 60,000 miles= 0.9726