9x + 36 = 8x - 3
solve for x.
x + 36 = -3
x = -39
Answer:28
Step-by-step explanation: in this case n=4, so you would plug in 4 into the equation: 5(4)+8 which equals 8
Answer:
Option 1 I believe
Step-by-step explanation:
Answer:
(a) 
(b) Here the intercept means that we pay
more than
for each text message received
(c) 145 text messages sent and 30 messages received
75 text messages sent and 50 messages received
180 text messages sent and 20 messages received
Step-by-step explanation:
Here we have
X×0.02 + Y×0.07 = 5
Therefore the equation is

b. Here the intercept means that we pay
more than
for each text message received
c. Other combinations are
145 text messages sent and 30 messages received
75 text messages sent and 50 messages received
180 text messages sent and 20 messages received.
In Binomial distribution, the expected value or mean is given by,
E(X) = np
where, p = probability of success and n=number of sample size.
E(X) = 100×0.4 = 40