I dont like percents , please help. Thank you
2 answers:
Answer:
20 questions are on the test
you have 16/? which is 80% imagine it as fractions
so you want to multiply on the diagonal
meaning multiplying our first fraction's numerator, 16 by the percentages denominator
example: 16×100
ok, now that you do that divide by the numerator in this case 80 this gets us 20. Hope i helped and sorry if this was long.
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Answer:
something like this?
the top one is valid when x-4 >0
the bottom one is valid when x-4<0
Step-by-step explanation:
absolute value |x-4|
means that in case x-4 is negative, we will use -(x-4)
if it's positive we use x-4
let's find the solution (where the original inequality is true)
negative case:
-(x-4)<9 -x+4 < 9 -x < 5 x>-5
positive case:
x-4 < 9 x < 13
to satisfy both conditions -5 < x < 13