sergio used 20 yards of fence to
enclose a rectangular garden on the
side of his house. he used the wall of
his house for one side of the
garden. he wanted the rectangle to
have the greatest possible area. find
the dimensions and the area of
sergio's garden. explain.

Sergio will use approximately 6.7 yards of fence on each side to get the largest area.

Step-by-step explanation: Sergio can use the wall of his house for one side of the area. This leaves him to use the full 20 yards of fence for the remaining 3 sides. 20÷3≈6.7

the discriminant is 64 + 4*1*12 = 112

this is prime.

step-by-step explanation:

hello,

b) 62.47% of the students are between 14 and 18 years old.

step-by-step explanation:

mean = 15 and standard deviation = 2

student between 14 to 18

formula used z-score

for age 14 , z score

using z-table , p(z> -0.5)=0.3085

for age 18 , z score

using z-table , p(z< 1.5)=0.9332

p(-0.5< z< 1.5)=0.9332-0.3085 = 0.6247

thus, 62.47% of the students are between 14 and 18 years old.

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step-by-step explanation: