Tutor profile: Mandy B.
Mandy B.
Tutor for 12 years; Educational Director and student counselor for 7 years
Questions
Subject: Linear Algebra
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Question:
Solve using substitution 3x+y= -3 x= -y+3
Mandy B.
Answer:
Insert the value of x into the first equation 3( -y+3) + y = -3 -3y+9+y=-3 -2y=-12 y=6 Insert the value of y into an original equation to find the value of x x= -3
Subject: Basic Math
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Question:
Estimate the sum of 457+62 using front end estimation
Mandy B.
Answer:
500+60=560
Subject: Algebra
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Question:
The sum of 3 times a number and 23
Mandy B.
Answer:
3(x+23)
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