We have an equation: 56/? = 4/100
Cross multiply:
4*? = 56*100
⇒ ? = 56*100/4
⇒ ?= 1,400
4% of 1,400 days is 56 days~
Answer:
13x^2-4
Step-by-step explanation:
(5x^2-3)+(8x^2-1)=
5x^2+8x^2-3-1=
13x^2-4
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Answer: 24 cm
Step-by-step explanation:

It is multiplied by 4 because a square has 4 equal sides and 4 equal angles.
P = 6 * 4 = 24