vuducthanhan26 vuducthanhan26

03-06-2021
Mathematics

contestada

In a class there are 11 boys and 19 girls.
The mean weight of all 30 children is 32.85 kg.
The mean weight of the 11 boys is 31.9 kg.

Work out the mean weight of the 19 girls.

Respuesta :

headleymoore380 headleymoore380

03-06-2021

Answer:

explain two ways in which the preservation of natural environments adds quality of life in a country : ,

Answer Link

Otras preguntas

Find the area of the figure below

Water is chilled by brine in a counter-current heat exchanger. If the flow rate of the brine is 2 kg/s and that of the water is 1 kg/s, estimate the temperature

Explain whether the written English language is logographic, syllabic, or phonemic.

I NEED HELP PLEASE! 301 + 51% = a. 389 b. 439 c. 454 d. 396

A cone with a height of 15 yards has a volume of 475.17 yd³. Find the diameter of the cone.

Eight less than four times a number is twelve. What is the number? 5 1 -3 -5

A watermelon has a mass of 6.45 kilograms. What is the mass of the watermelon in grams

Find the volume of the sphere with r = 9 to the nearest hundredth. Use 3.14 to represent pie.

What was the significance of the tricolour cockade?

Given F(-7,8), G(-4,6), H(1,3), and I(x,9). Find x such that FG I HI.