There are 15 children at a birthday party.
The mean age of the 15 children is 7 years.
9 of t...
Mathematics, 03.03.2021 15:40 germaine88
There are 15 children at a birthday party.
The mean age of the 15 children is 7 years.
9 of the 15 chadren are boys.
The mean age of the boys is 5 years.
Work out the mean age of the girls.
Answers: 3
Mathematics, 21.06.2019 13:00, stormhorn491
Which of the following is the equation of a line that passes through the point (1,4) and is parallel to the x-axis a. y=1 b. y=4 c. x=1 d. x=4
Answers: 1
Mathematics, 21.06.2019 15:00, denisebaslee15
Of four points are collinear, they are also coplanar
Answers: 2
Mathematics, 21.06.2019 22:10, willisanthony7815
Acompany manufactures three types of cabinets. it makes 110 cabinets each week. in the first week, the sum of the number of type-1 cabinets and twice the number of type-2 cabinets produced was 10 more than the number of type-3 cabinets produced. the next week, the number of type-1 cabinets produced was three times more than in the first week, no type-2 cabinets were produced, and the number of type-3 cabinets produced was the same as in the previous week.
Answers: 1
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