theledfords1142 theledfords1142

04-05-2018
Mathematics

contestada

A class has 24 boys and 16 girls. on a test the class mean was 75. the mean of the girls' score was 72. what was the mean of the boys' scores?

Respuesta :

04-05-2018

24+16=40
40*75=3000
16*72=1152
3000-1152=1848
1848/24=77

Answer Link

pottymouth pottymouth

15-11-2018

jhnkjhn jnjhvgfhjvb fcgvgfhcv fcgh jfgch jklk

Answer Link

Otras preguntas

If $\frac{x}{2} \frac{y}{3} = 1$ and $\frac{x}{4} \frac{2y}{3} = -1$, what i the value of the um of $x$ and $y$? Help Pl

During the biodiesel synthesis, a mixture will be added to a separatory funnel and two layers will form. Identify the components of each layer. Top: Bottom:

Argumenta sobre las acciones propuestas por los organismos internacionales para resolver los conflictos que surgen en torno a la población humana y su diversida

Find the x-intercept of the line 2x–4y= – 12.

contraction of this type of skeletal muscle, categorized as _________ muscles, increases the angle between their attached bones.

Read the excerpt from act ii of hamlet. he tells me, my sweet queen, that he hath found the head and source of all your son’s distemper. the figurative language

3. Suppoe that the demand equation for a monopolit i p-100-0. 02x and the cot function i Co)-20x10000 (a)Find the value of x that maximize the profit, and deter

Write this number in word form 84,052

Please help!!! Lightning that occurs within a cloud is known as ___ lightning.

Please select the word from the list that best fits the definition number of people living in an area at a particular time.