Answer:
<u>b = -4, 0</u>
Step-by-step explanation:
<u>Given</u> :
<u>Take b as a common factor.</u>
<u>Solutions</u>
- b = 0
- b + 4 = 0 ⇒ b = -4
- <u>b = -4, 0</u>
Answer:
see them bellow
Step-by-step explanation:
Hopefully these are correct lol, make sure to check it with a classmate. but i tried :)
Answer:
I believe that the owner of the dice is actually not lucky. There are people who practice throwing dice in a controlled way in order to get a specific side of the dice. If he practices his dice throwing a lot, then he would have a much higher chance of winning at a game of dice.
Step-by-step explanation:
Since you said he was lucky, I decided to make an answer saying that he wasn't lucky so you can choose between both of them. Your answer was good as well.
First, determine the z-score of 675.
z = (675 - 500) / 100 = 1.75
The z-score of 500 is,
z = 0.
Subtracting the z-scores will give us 1.75. This is equal to 0.9599.
= 0.9599 - 0.5 = 0.4599
Multiplying this to the given number of light bulbs,
n = 0.4599 x 5000 = 2299.5
Therefore, there is approximately 2300 light bulbs expected to last between 500 to 675 hours.
