1.) there are 8 people in a room.
each person shakes hands with each of the other people once...
Mathematics, 02.12.2019 00:31, lcyaire
1.) there are 8 people in a room.
each person shakes hands with each of the other people once and only once.
how many handshakes take place?
2.) a student has some pigs and some chickens.
he finds that together they have 70 heads and 200 legs.
how many pigs and how many chickens does he have?
3.) a well is 10 feet deep.
a frog climbs up 5 feet during the day, but falls back 4 feet at night.
assuming that the frog starts at the bottom of the well,
how many days does it take the frog to get to the top?
i'm looking for work shown, too, ! : )
Answers: 3
Mathematics, 21.06.2019 19:40, ashley24109
The weights of broilers (commercially raised chickens) are approximately normally distributed with mean 1387 grams and standard deviation 161 grams. what is the probability that a randomly selected broiler weighs more than 1,425 grams?
Answers: 2
Mathematics, 22.06.2019 00:00, mikemurray115
Triangles abc and dfg are given. find the lengths of all other sides of these triangles if: b ∠a≅∠d, ab·dg=ac·df, ac=7 cm, bc=15 cm, fg=20 cm, and df-ab=3 cm.
Answers: 1
Mathematics, 22.06.2019 03:40, andrew6494
The ages of personnel in the accounting department of a large company are normally distributed with a standard deviation of 7 years. there is a 0.02275 probability that the age of any randomly chosen person in the department is less than 22 and 0.15866 probabilty that the age of any randomly chosen person is greater than 43. what is the mean of this distribution?
Answers: 3
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