Its B.6 because when you plug in 1 for y the equation is 3x-1=17 and you have to cancel out y to get 3x=18 by itself because you have to add 1 to the 17 since you canceled it out of the equation then you are left with 3x=18 and you divide both sides by 3 and then 18 divided by 3 is 6 so x=6
This is all I have, I don't really understand that sry
<span>Part A:
The plant is 11.26 cm tall at the end. How many days?
We use 8(1.05)^n=(height of plant)=11.26
To find ‘n’ divide by 8: 8(1.05)^n=11.26 〖1.05〗^n=1.4075
</span>Hope this helps :)
Answer: 112 degrees
Step-by-step explanation: Because they are supplementary, they add up to 180 degrees. So it would be 3x+16+2x+4=180. Add the variables and the constants together. 5x+20=180. Solve the equation, and x=32. Then plug x into 3x+16. The answer is 112.
For this case, the first thing we must do is define variables:
x: students of group 1
y: students of group 2
We now write the system of equations that models the problem:
Solving the system by substitution we have:
Then, the value of y is given by:
Answer:
8 students of group 1
20 students of group 2
