Four sevenths plus five sixths
2 answers:
Answer:
or
Step-by-step explanation:
(These fractions are not like and we can't add them so we must convert them to like fractions by multiplying them to get a common denominator, the LCM of 7 and 6 is also their product which is 42, because these numbers are co-prime)
(We can add these now that they are like)
or
You might be interested in
Since she has seven key the probability that the first one will open the door is
if it takes three attempts to open the door,the probability is
if the three attempts would not work
then the probability that the fourth attempt will open the door is
hope this helps
if it takes three attempts to open the door,the probability is
if the three attempts would not work
then the probability that the fourth attempt will open the door is
hope this helps
Answer:
≈ 35.1 ft
Step-by-step explanation:
The model is a right triangle with ladder being the hypotenuse and the angle between the ground and the ladder is 70°
Using the cosine ratio, with l being the length of the ladder.
cos70° = =
( multiply both sides by l )
l × cos70° = 12 ( divide both sides by cos70° )
l = ≈ 35.1 ( to the nearest tenth )
The ladder is approx 35.1 ft long