Answer:
1. Multiply the value of the first variable by one of the original equations to solve for the second variable.
2. Solve for one of the variables.
3. Substitute the value of the known variable into one of the original equations to solve for the unknown variable.
Step-by-step explanation:
Answer:
3/23 miles per hour
Step-by-step explanation:
2 /23 mile
-----------------
2/3 hour
2/ 23 ÷ 2/3
Copy dot flip
2 /23 * 3/2
Rewriting
2/2 * 3/23
3/23 miles per hour
Cross multiply and set it up like this.
1800 X
------- • -------
80 24
Multiply 1800•24
Then divide by 80 and you get 540.
Answer:
There is 8 vertices!
Step-by-step explanation:
They are just the points of the cube!
Hope this helps!
Answer:
2440
Step-by-step explanation:
1,000+686 =
1,686
1686+ 754
= 2440