Answer:
The side length is 6m
Step-by-step explanation:
The area of a square is given by
A = s^2 where s is the side length
36 = s^2
Take the square root of each side
sqrt(36) = sqrt(s^2)
6 =s
The side length is 6m
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Answer:
$3.78
Step-by-step explanation:
find 107%(100%=$54+7%=107%)
54*107/100= $57.78
find the amount of sale tax
57.78-54=$3.78
Answer:
0.1513
Step-by-step explanation:
mean= 15.4
SD=4.5
P(20<X<28)
P((20-15.4)/4.5 < Z < (28-15.4)/4.5)
P(1.022 < Z< 2.8 )
From Z distribution table,
P(Z<2.8)= 0.99744
P(Z<1.022)= 0.84614
P(1.022 < Z< 2.8 )= P(Z<2.8)- P(Z<1.022)
= 0.99744-0.84614
= 0.1513