Rene R.

Retired professor of Geophysics

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SAT II Mathematics Level 2

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Question:

The math club will pay Tim 5 dollars for preparing the cake and will also pay him for the cost of the cake mix at 1.73 dollars, the frosting mix at 2.67 dollars and the sales tax of 5% on these two items. What is the total amount the math club will pay Tim?

Rene R.

Answer:

9.62 dollars Cake preparation = $5.00 Cake Mix = $1.73 Frosting mix = $2.67 Tax on items purchased = 0.05(1.73+2.67) = 0.22 The total amount the math club will pay Ken is the sum of the costs shown in the table, $5.00 + $1.73 + $2.67 + $0.22 = $9.62

Trigonometry

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Question:

What is the pythagoras theorem?

Rene R.

Answer:

The square of the hypotenuse is equal to the sum of the squares of the other 2 sides of a rectangle triangle.

Earth Science

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Question:

What is plate tectonics

Rene R.

Answer:

It is the movement of the l.ithosphere in the upper mantel due to the liquid asthenosphere

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