I am here wondering watin dey do now aa
Answer:
|
x
−
2
|
+
1
is
(
2
,
1
)
Step-by-step explanation:
Hi there!
So we know that the two train together is a total of 192 tons and the difference of their weights is 120 tons...
Ok let think...
When we’re looking at the once place, you’ll see a two... this means that the two train both have a ending of 1 since 2 is split into 1...
That would be another clue..
Now let think again...
If it would be 151 and we subtract by 120.. we would get...
![151-120=31](https://tex.z-dn.net/?f=151-120%3D31)
Well it ends with a 1 so it would be perfect but we have to see if 151 and 31 together adds up with the total of 192..
![151+31=192](https://tex.z-dn.net/?f=151%2B31%3D192)
This means that train A could be 151 tons or 31 tons and train B can also be wither 151 tons or 31 tons...
Answer:
−4(x^2+9)
Step-by-step explanation:
Equivalent expressions are expressions that work the same even though they look different. If two algebraic expressions are equivalent, then the two expressions have the same value when we plug in the same value for the variable.
Answer:
23
Step-by-step explanation:
Three years ago, Russel was 20 and Emma was 40. That is double, and then three years later, Russel would be 23