# Tutor profile: Fay H.

Inactive

Fay H.

Tutor for eIght years

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## Questions

### Subject: SAT

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Question:

A drawer contains 5 red crayons and 3 green crayons. What is the probability that you select two red crayons if you reach in the drawer and randomly grab two crayons without replacement?

Inactive

Fay H.

Answer:

(5/8)*(4/7)=5/14

### Subject: Statistics

TutorMe

Question:

Compute the number of different ways that 7 Pennies and 3 Dimes balls can be placed in a row.

Inactive

Fay H.

Answer:

10!/(7!3!)= (10*9*8)/(3*2*1) =120

### Subject: Algebra

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Question:

For the function f(x)= 3x +2, find x such that f (x)= 14

Inactive

Fay H.

Answer:

Given that f(x) = 14, we substitute 14 in to the equation in place of f(x) 14 = 3x + 2 Subtract two from both sides of the equation 12 = 3x Divide both sides of the equation by three. 4 = x Answer: 4

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