Ne Solution to a Two-Step Equation
Solve the two-step equation.
s by dragging tiles from the left to show the
ing the equation.
5.1 = -3x - 4.2
G
AB
2:
Add 4.2 to both sides.
2. Divide both sides by-3.
The solution is x =

this shows a reflection over the x-axis and is translated one unit down and 6 units to the right (x + 6, y - 1)

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.25

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: