Reciprocal: what to multiply a value by to get 1; also known as multiplicative inverse.
Answer:
they're similar to visible light except their wave length is much shorter, causing them to be invisible to the naked eye
Answer:
The selling price of 21 articles is equal to the cost price of 18 articles. Find the loss percent. Answer: answer is 100/7 %
Answer:
80 cm
Step-by-step explanation:
To find the length of both segments together, convert the lengths into one unit measure. Convert 500 mm into centimeters by dividing it by 10. 500/10 = 50 cm. Now add 30 + 50 = 80 cm. The segment is 80 cm long.
