1 x 64, 2 x 32, 4 x 16, 8 x 8, 16 x 4, 32 x 2, 64 x 1
Answer: I think so since it’s a decimal
Step-by-step explanation:
The number of inches, given the number of
Answer:
yes she is correct
Step-by-step explanation:
because in 1 year it will go up 4.5%
Given:
![\bold{ 8x=4y-20} \\\\ \bold{ y=13}](https://tex.z-dn.net/?f=%5Cbold%7B%208x%3D4y-20%7D%20%5C%5C%5C%5C%20%5Cbold%7B%20y%3D13%7D)
Prove:
![\bold{x=4}](https://tex.z-dn.net/?f=%5Cbold%7Bx%3D4%7D)
Solution:
![\to \bold{8x=4y-20}..........(i)\\\\\to \bold{ y=13}........................(ii)](https://tex.z-dn.net/?f=%5Cto%20%5Cbold%7B8x%3D4y-20%7D..........%28i%29%5C%5C%5C%5C%5Cto%20%5Cbold%7B%20y%3D13%7D........................%28ii%29)
Putting the value of equation (ii) into the equation (i):
![\to \bold{8x=4(13)-20}\\\\\to \bold{8x=52-20}\\\\\to \bold{8x=32}\\\\\to \bold{x=\frac{32}{8}}\\\\\to \bold{x= 4}\\\\](https://tex.z-dn.net/?f=%5Cto%20%5Cbold%7B8x%3D4%2813%29-20%7D%5C%5C%5C%5C%5Cto%20%5Cbold%7B8x%3D52-20%7D%5C%5C%5C%5C%5Cto%20%5Cbold%7B8x%3D32%7D%5C%5C%5C%5C%5Cto%20%5Cbold%7Bx%3D%5Cfrac%7B32%7D%7B8%7D%7D%5C%5C%5C%5C%5Cto%20%5Cbold%7Bx%3D%204%7D%5C%5C%5C%5C)
putting the value x into the equation (i):
![\to \bold{8(4)=4y-20}\\\\\to \bold{32=4y-20}\\\\\to \bold{32+20=4y}\\\\\to \bold{52=4y}\\\\\to \bold{y=\frac{54}{4}}\\\\\to \bold{ y= 13.5}](https://tex.z-dn.net/?f=%5Cto%20%5Cbold%7B8%284%29%3D4y-20%7D%5C%5C%5C%5C%5Cto%20%5Cbold%7B32%3D4y-20%7D%5C%5C%5C%5C%5Cto%20%5Cbold%7B32%2B20%3D4y%7D%5C%5C%5C%5C%5Cto%20%5Cbold%7B52%3D4y%7D%5C%5C%5C%5C%5Cto%20%5Cbold%7By%3D%5Cfrac%7B54%7D%7B4%7D%7D%5C%5C%5C%5C%5Cto%20%5Cbold%7B%20y%3D%2013.5%7D)
Therefore, the value of x= 4
Learn more:
brainly.com/question/6219408