Answer:
6x = 9
Step-by-step explanation:
4x-5y = 12
2x+5y = -3
Add the equations together
4x-5y = 12
2x+5y = -3
-------------------
6x + 0y = 9
6x = 9
Answer:
Rule is add 5
Step-by-step explanation:
Therefore, 85 is the input and 90 is the output
Answer:
Step-by-step explanation:
perimeter of Base=2(l+w)=2(11+10)=2×21=42 cm
lateral area =perimeter of Base×height=42×5=210 cm²
Hello :
y= <span>x² - 4x + 1
calculate : x
y = (x²-4x+4)-4+1
y+3 = (x-2)²
x exist : if y+3 </span><span>≥ 0
y </span><span>≥ -3
the range is : </span><span>{y: y ≥ -3}</span>
