The answers is 13 so anything the equals 14
Answer:
55 Southern deliveries.
Step-by-step explanation:
Let's make a ratio
Northern : Central : Southern : Total
14 : 44 : 22 : 80
7 : 22 : 11 : 40
35 : 110 : 55 : 200
We can see from our ratio, that there are 55 Southern deliveries when 200 deliveries are delivered.
Answer: y = -1, y = 6 (choice D)
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Work Shown:
y - (6/y) = 5
y*(y - (6/y)) = y*5 <<--- see note 1 below
y^2 - 6 = 5y
y^2 - 5y - 6 = 0
(y+1)(y-6) = 0 <<--- see note 2 below
y+1 = 0 or y-6 = 0
y = -1 or y = 6 which are the two answers
note 1: I multiplied both sides by y to clear out the fraction (the LCD is y)
note 2: I factored the left side by asking myself "what two numbers multiply to -6 and add to +5?" the answer to that question is +1 and -6 which helps lead to the factorization. An alternative route instead factoring is to use the quadratic formula
The theoretical probability of getting two tails on two coin tosses is 0.25.
<h3>How to calculate the probability?</h3>
The theoretical probability is the ratio of the number of favorable outcomes to the number of possible outcomes. Given a coin is tossed twice.
We have to find the theoretical probability of tossing two tails. The probability of getting tails on the toss of a coin is 1/2 0r 0.5.
Therefore, the probability of getting two tails on two coin tosses is 0.5 × 0.5 or 0.25.
The theoretical probability that a coin toss results in two heads showing is 0.25.
Learn more about probability on:
brainly.com/question/24756209
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I solve this question with further steps which was not so much necessary, but it's correct
