Mathematics, 06.09.2021 14:30, Shamiyah732

(a) The mean of the masses of a group of four student is 30 kg. One student joins the group .The mean of the masses of the five students is 32 kg.
Find the mass of the student who joined the group.

(b)The mean of the five articles is 215 g. When another article is added, the mean of the masses of the six articles is 220 g. Find the mass of the sixth article.

Answers: 1

Show answers

Other questions on the subject: Mathematics

Mathematics, 21.06.2019 21:00, jm00120

The function below show how much jayna and hannah charge for babysitting. which statement best compares the two plants?

Answers: 1

continue

Mathematics, 22.06.2019 00:00, enevjordan

What is 617.3 miles and each gallon of gas the car can travel 41 miles select a reasonable estimate of the number of gallons of gas karl used.

Answers: 1

continue

Mathematics, 22.06.2019 03:00, IntellTanito

Select quivalent or not equivalent to indicate whether the expression above is equivalent or not equivalent to the values or expressions in the last column.

Answers: 3

continue

Mathematics, 22.06.2019 09:30, quintink

Me i have been stuck on this question what is the probability that carol, the 44-year-old you're considering for a 20-year policy, lives to be 64 years old? note that this is a conditional probability. another way of saying this is, "what is the probability that carol turns 64 years old given that she turns 44 years old? " carol is a non-hispanic black female, so look in table 18.

Answers: 1

continue

Do you know the correct answer?

(a) The mean of the masses of a group of four student is 30 kg. One student joins the group .The m...