The equation x2=25 has two solutions. This is because both 55=25, and also -5-5=25. So, 5 is a solution, and also -5 is a solution. Select all the equations that have a solution of -4:
10+x=6 1
0−x=6
-3x=-12
-3x=12
8=x2
x2=16

77

step-by-step explanation:

answer by yourhope:

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85.560%

step-by-step explanation:

conditional probability is defined as:

p(a|b) = p(a∩b) / p(b)

in other words, the probability that a occurs, given that b has occurred = the probability that both a and b occur / the probability that b occurs.

in this example:

p(turns 64 | turns 44) = p(turns 64 & turns 44) / p(turns 44).

if someone turns 64, they must have already turned 44, so:

p(turns 64 | turns 44) = p(turns 64) / p(turns 44)

on page 42, we see that of the original 100,000, 94944 turn 44, and 81234 turn 64.   therefore:

p(turns 64 | turns 44) = 81234 / 94944

p(turns 64 | turns 44) = 0.85560

t

step-by-step explanation:

ever thing time 1 is a multiply by 1 it get