-14 + (-15) = -14 - 15 = -29
Hope it helps !!! Brainliest if it is!!
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:
180 - 90 = 90
half of 90 = 45
40 and 50??
Step-by-step explanation:
Well the thing is you didn't tell us which number but if it is 12 then i strongly believe that the answer is 3/9