Answer:
0.625
Step-by-step explanation:
Given :
Ambell company uses or procures batteries from two manufacturers.
The life of a battery in critical tool is at = 32 hours
Ambell uses 70% of its batteries from manufacturer 1 and out of that 90% batteries lasts for about 40 hours.
Similarly, 75% of the batteries procured from the manufacturer 2 lasts for about 40 hours.
Therefore, the probability that a battery is form manufacturer 1 is :

= 0.625
Answer:
45.50(7/10)
Step-by-step explanation:
Multiplication with fractions is the same as division with integers
I’m not sure if I remember well but I think it’s the answer!
16y²+12y = 4y(4y+3)
D. 4y(4y + 3)