iiasonyes7734 iiasonyes7734

16-09-2017
Mathematics

contestada

X, y, and z are consecutive integers, and x < y < z. what is the average of x, y, and z? (1) x = 11 (2) the average of y and z is 12.5.

Respuesta :

geerky42 geerky42

16-09-2017

1) If x=11 then y and z must be 12 and 13 respectively. So the average of x, y, and z would be (11+12+13)/3 = 12

2) If (y+z)/2 = 12.5 then we can see that y = 12 and z = 13. So x would be 11. It's the same as first question so again (11+12+13)/3 = 12

Answer Link

Otras preguntas

The function f(x) = 4(2)x represents the growth of a butterfly population every year in a remote swamp. Jan wants to manipulate the formula to an equivalent fo

Find the perimeter of a rectangle of A=2.76x10^12cm^2 and one side is 4.6x10^5

Lillian knows that we have laws and that we should obey the laws set forth by society. However, she also acknowledges that these laws can and should be changed

Ann increased the quantities of all the ingredients in a recipe by 60\%60%60, percent. She used 808080 grams (\text{g})(g)left parenthesis, g, right parenthesis

In a typical system design specification, the _____ section describes the constraints, or conditions, affecting a system, including any requirements that involv

To improve reading fluency, it is a good idea to listen to model readers because 1. they provide good examples for self-improvement. 2.tend to read very fast,

Do you think it is important to look after animals ? Why

What caused the rise of cities?

Please help me with this question helel

Why was Rosa parks important in the civil