Answer:
resultant vector = 25.2
Step-by-step explanation:
we apply cosine theorem
Puedes ver a https://es.khanacademy.org/math/calculus-home
The answer to this is a=3.6
Answer:
say x is the original price so
x - (20x/100) = 720
720 is the balance we got after deducting the original price,
therefore; 720 = (80x/100)
You can simply solve for x now.
answer:
x = 900
Answer:
3 KG
Step-by-step explanation:
2 kg + 1 kg =3 KG
2 KG/2 = 1 KG
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Hope this helps you...