Answer:
The answer is: 4y(2x+y)
Step-by-step explanation:
It can help you by checking your answer
<span>Equation:
silver + silver = silver
0.45x + 0.60(40-x) = 0.48*40
----------------
45x + 60*40 - 60x = 48*40
--------
-15x = -12*40
x = (4/5)40
x = 32 lbs (amt of 45% slloy needed)
40-x = 8 lbs (amt of 60% alloy needed)</span>
Tanα=5/12
α=arctan(5/12)°
α≈22.62° (to nearest hundredth of a degree)
Answer:
10
Step-by-step explanation:
sqrt root (x2-x1)^2 + (y2-y1)^2