Median - put numbers from smallest to largest
(208,210,248,252,) 257,264,(271,278,284,295)
(257+264)/2=260.5
Question 3
27,21,24,21,26,28,25,21,27,29,24
21- 3 times, most times , so mode is 21
![\bf \begin{array}{cccccclllll}&\\ \textit{something}&&\textit{varies directly to}&&\textit{something else}\\ \quad \\&\\ \textit{something}&=&{{ \textit{some value}}}&\cdot &\textit{something else}\\ \quad \\&\\ y&=&{{ k}}&\cdot&x&\\ &\\ && y={{ k }}x&\\ \end{array}& \\\\\\ \textit{we know that } \begin{cases} y=12\\ x=1.2 \end{cases}\implies y=kx\implies 12=k\cdot 1.2](https://tex.z-dn.net/?f=%5Cbf%20%5Cbegin%7Barray%7D%7Bcccccclllll%7D%26%5C%5C%0A%5Ctextit%7Bsomething%7D%26%26%5Ctextit%7Bvaries%20directly%20to%7D%26%26%5Ctextit%7Bsomething%20else%7D%5C%5C%20%5Cquad%20%5C%5C%26%5C%5C%0A%5Ctextit%7Bsomething%7D%26%3D%26%7B%7B%20%5Ctextit%7Bsome%20value%7D%7D%7D%26%5Ccdot%20%26%5Ctextit%7Bsomething%20else%7D%5C%5C%20%5Cquad%20%5C%5C%26%5C%5C%0Ay%26%3D%26%7B%7B%20k%7D%7D%26%5Ccdot%26x%26%5C%5C%0A%26%5C%5C%0A%26%26%20%20y%3D%7B%7B%20k%20%7D%7Dx%26%5C%5C%0A%5Cend%7Barray%7D%26%20%5C%5C%5C%5C%5C%5C%0A%5Ctextit%7Bwe%20know%20that%20%7D%0A%5Cbegin%7Bcases%7D%0Ay%3D12%5C%5C%0Ax%3D1.2%0A%5Cend%7Bcases%7D%5Cimplies%20y%3Dkx%5Cimplies%2012%3Dk%5Ccdot%201.2)
solve for "k" to find "k", or the "constant of variation"
Answer:
x=8
Step-by-step explanation:
Usando proporciones, se encuentra que 400 africanos han participado.
En total, hay x participantes.
de los corredores son europeos, o sea:
![E = \frac{5x}{6}](https://tex.z-dn.net/?f=E%20%3D%20%5Cfrac%7B5x%7D%7B6%7D)
Los americanos son la dècime parte de los europeos, o sea:
![Am = \frac{1}{10}E = \frac{5x}{60} = \frac{x}{12}](https://tex.z-dn.net/?f=Am%20%3D%20%5Cfrac%7B1%7D%7B10%7DE%20%3D%20%5Cfrac%7B5x%7D%7B60%7D%20%3D%20%5Cfrac%7Bx%7D%7B12%7D)
Los africanos son la quinta parte de los americanos, o sea:
![Afr = \frac{1}{5}Am = \frac{x}{60}](https://tex.z-dn.net/?f=Afr%20%3D%20%5Cfrac%7B1%7D%7B5%7DAm%20%3D%20%5Cfrac%7Bx%7D%7B60%7D)
En la carrera han inscritos 24 000 participantes, o sea,
. Por eso, la cantidad de africanos es:
![Afr = \frac{x}{60} = \frac{24000}{60} = 400](https://tex.z-dn.net/?f=Afr%20%3D%20%5Cfrac%7Bx%7D%7B60%7D%20%3D%20%5Cfrac%7B24000%7D%7B60%7D%20%3D%20400)
Para obtener más información sobre las proporciones, puedes visitar a brainly.com/question/24615636
Answer:
Well so if we multiply 6.42*106=680.52.
then subtract 680.52-428000=427319.48
there you go:)
Step-by-step explanation: