It is incorrect because those dividers prevent it from being a negative. Therefore it is wrong.
Answer:5x + 10y = 125
Step-by-step explanation
Number of nickel = x
Number of dime = y
Nickel = 5 cent
Dime = 10 cent
Total value = $1.25
Total value should be converted to cent since both dime and nickel are both in cent
= $1.25 * 100 = 125 cents
Therefore,
5x + 10y = 125 cents
The answer for this equation would be 3.375
Answer:
Train 1: 368 mph
Train 2: 358.1 mph
Step-by-step explanation:
We can write 2 equations to represent this problem.


The x represents the first train and the y represents the second train.
We can plug in x into the first equation.




Now that we know our y, we can find our x.



Answer:
<h2>2. Cube</h2>
Step-by-step explanation:
