A•b = (3×10) + (-2×-4) + (-7×-2) = 30 + 8 + 14 = 52
Answer:
a=4, b = -2
Step-by-step explanation:
Use elimination: subtract two equations. you get -6b = 12, so b = -2. Substitute this into the first equation and get a -8 = -4, so a = 4
Answer:
C. The value of f (4) is 60, and it represents the number of hours of work remaining for the month after working for 4 days
Step-by-step explanation:
So 5 time 4 equals 20...!
80 minus 20= 60
C. -6x-3
when you have a binomial being multiplied by a single number, you multiply both terms in the binomial by said number to get your answer. 3*-2x = -6x and 3*-1 = -3. Therefore, your answer is -6x-3
Answer:
4.5
Step-by-step explanation:
