Calculate the percentahe of 10% of 1

0.1

Step-by-step explanation:

If you divide 1 by 10, you will get 0.1%. Also, to check the answer, you can multiply 0.1 by 10 and see if you get 1. I hope this helps. Sorry if it's not a great explanation...

answer for #1 is c

answer for #2 is d

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1) the property is   ixi = a ⇔x = a   o x = -a

4(x-5)+3= 15⇒4x-20+3 = 15⇒4x-17= 15⇒4x = 15+17⇒4x = 32⇒x =32/4= 8

4(x-5) +3= -15⇒4x-20 +3 = -15⇒4x-17= -15⇒4x =-15+17⇒4x = 2⇒x =2/4= 1/2

the values are x =8 and x = 0,5