To solve this, you must find a common denominator (the number on the bottom of the fraction) before adding the numbers. The easiest was to do this is multiply the denominators together to get a common product. You then multiply by that number over itself, because that is equivalent to 1. So in this problem, you would multiply 3/4 by 19/19 and 18/19 by 4/4. Once you do this, you can add the fractions together.
Answer:
c
Step-by-step explanation:
when you add the same number to the previous number it forms a straight line
Answer:
Step-by-step explanation:
Given,
To give the probability that your last coin toss came up tails
the probability that the last coin toss came up tails = likelihood of occurring that all 4 were tails when coin tossed 4 times + likelihood of occurring last toss gives tail & 1st four tosses were head when coin is tossed 5 times
= (1/2)^4 + [(1/2)^5 + (1/2)^5 + (1/2)^5 + (1/2)^5]
= 1/16 + [4*(1/32)]
= 1/16 + 1/8
= 3/16
= 0.1875
Answer:
There are 6 seating orders possible.
Step-by-step explanation:
1. Andrew, Marco, Kenjo
2. Marco, Kenjo, Andrew
3. Kenjo, Marco, Andrew
4. Kenjo, Andrew, Marco
5. Andrew, Kenjo, Marco
6. Marco, Andrew, Kenjo
Answer:
A) x = 15
Step-by-step explanation:
4x - 30 = 2x
subtract 2x from each side of the equation:
2x - 30 = 0
add 30 to each side:
2x = 30
x = 15