Answer:
Step-by-step explanation:
hello :
the system is : x+ y =4 ...(*)
2x - y = -1...(**)
add(*) and (**) : 3x=3 so : x=1
put this value into (*) : 1+y=4 so : y=3
one solution : (1 , 3)
Answer: x^2+4
Step-by-step explanation:
30%.
6 nickels equal 30 pennies, and 100 pennies make up a dollar.
30/100 = 30%.
Answer: 4000
Step-by-step explanation:
don’t have it just know that’s the answer
15:10
3:2
Hope this helps :)
