To solve this problem you must apply the proccedure shown below:
1. Let's call 
to the number of equipment operators and 
to the numbers of laborers.
2. Based on the information given in the problem above, you can make a system of equation, as following:
3. By applying the method of substitution, you can solve for from the second equation and substitute it into the first equation to solve for , as following:
4. Now, substitute the value of into the second equation to calculate :
The answer is: 19 equipment operators and 13 laborers.
Answer:
1) 130°
2) 130°
Step-by-step explanation:
Assuming SR, TU, and PQ are parallel, they would both be 130. (180-50)
Answer:
The answer is -2
Step-by-step explanation:
-6 means you go on the left and then you subtract -2 which means go backward 2 Soooo you got the right answer.
In mathematical form, it can be written as : 577
Standard form of 577 would be: 500 + 70 + 7
Hope this helps!
