Answer:
About 14 in the exact value is 14.38 smthn
Answer:
96
Step-by-step explanation:
commom difference = d
a₆ + a₇ = 16
a₅ + a₈ = (a₆ - d) + (a₇ + d) = a₆ + a₇ = 16
a₄ + a₉ = (a₆ - 2d) + (a₇ + 2d) = a₆ + a₇ = 16
Similarly,
a₃ + a₁₀ = 16, a₂ + a₁₁ = 16, a₁ + a₁₂ = 16
so
a₁ + a₂ + ... + a₁₁ + a₁₂ = 6 x 16 = 96
Answer:
#1: -1
#2: 1
Step-by-step explanation:
Anything raised to the 0 power is 1, but in question 1 the negative is outside the parenthesis, so it makes it -1.
<u>Answer:</u>
245 days per year ; 1715 hours per year
<u>Step-by-step explanation:</u>
Every emplyoee works 5 days per week , 49 weeks per year. So,
Every employee works,
days = 245 days per year .
Every employee works 7 hours per day,
so, every employee works 
hours
= 1715 hours per year .
Answer:opposite
Step-by-step explanation:
