Answer:
17000 batteries
Step-by-step explanation:
Three years and one month is equivalent to the mean minus one standard deviation.
Three years and seven months is equivalent to the mean plus one standard deviation.
For a normal distribution, we know that 68% of population is between mean ± 1 sd, then can be expected that 25000*68% = 17000 of batteries last between three years and one month and three years and seven months
Answer:
6
Step-by-step explanation:
Multiply 7x+3 by 2. When you get 14x+6, set equal to 90 and solve for x.
Aplicando la función, los valores numéricos son
:




La función es dada por:

Para los valores numéricos, reemplazamos x, luego:




Un problema similar es dado en brainly.com/question/7037337
Answer:
n= -7
Step-by-step explanation:
Distribution property. You would distribute 4 into (y + 5), giving you the answer 4y + 20.