Does anyone understand this? It’s supposed to be a 2 digit code
1 answer:
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Answer:
Step-by-step explanation:
x^2+20=4 first isolate the variable by subtracting 20 on both sides.
x^2=-16 again isolate the variable but this time you square root both sides.
=
then simplify
x= ±4
Answer: 21 people voted
Step-by-step explanation:
an easy way to do this is simply multiply 84 * 0.25.
This gives you of the original amount
in this case 84×0.25 = 21
This means that 21 people voted