Step-by-step explanation:
2:3:5
2+3+5=10
2÷10 ×72=$14.4
3÷10×72=$21.6
5÷10×72=$36
CB = DA = √3*3+1*1 = √10
CD = BA = √2*2+1*1 = √5
Sum is 2√10 + 2√5 ≈ 10.8. So answer A.
Answer:
x= 4/3
Step-by-step explanation:
Subtract 3/7 from both sides
-x= 2x-28/7
simplify
-x=2x-4
Subtract 2x from both sides
-3x=4
divide both sides by -3
x= 4/3