jamalwarsame jamalwarsame

24-03-2021
Mathematics

contestada

27
6 boys have a mean age of 10 years.
14 girls have a mean age of 5 years.
Work out the mean age of all 20 children.

Respuesta :

aff808666 aff808666

24-03-2021

not clear way ..... clear it

Answer Link

becca1907 becca1907

24-03-2021

10+5 =15
15 divided by 2 = 7.5

Answer Link

Otras preguntas

If California Co. borrowed these euros at the prevailing rate of 0.50, What is the complete question?

Calculate 418x53 with the partial products right to keft and left to right

Essays on camouflage

Sketch portions of a linear polypropylene molecule that are (a) syndiotactic, (b) atactic, and (c) isotactic.

A company implements an automated accounts payable system, reducing the time required to process invoices from 7 days to 2 days. Calculate the efficiency gain i

Matlin developed a mini-experiment to demonstrate the effect of interference and memory. He discovered that ________. A. people suffering from anxiety often re

No student has written all correct answers and no student has written all same answers. what is the strength of the class?

xThe scatter plot shows the height of a candle as it burns. Which statement is true for the scatter plot? A B C D The correlation between the height of the cand

What is a key characteristic of a firm in a monopoly market? a) It has multiple sellers of its product. b) Its product has close substitutes. c) It owns a key r

a) Complete the grouped frequency distribution for the data. (Note that the class width is 6.) (b) Using the classes from part (a), draw the frequency polygon f