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Donnie B.
Math and Spanish Tutor at University of Wisconsin Oshkosh
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Spanish
TutorMe
Question:

When do you use the present subjunctive tense? (with an AR verb) Then complete the following: Espero que ____(limpiar-tu) la ropa.

Donnie B.
Answer:

Whenever there is an uncertainty or doubt about what will be happening. Usually it is used in a compound clause. For example, if you wish someone were to do something.. you do not know for sure if they will accomplish it, so when conjugating the verb. To conjugate, you take the present yo form and add on the ending of -e, -es, -e, -emos, -eis, or -en (depending on what the subject is). example answer: Espero que limpies la ropa.

Basic Math
TutorMe
Question:

What is a shortcut to know percentages?

Donnie B.
Answer:

For example, 20% is 20/100 or reduced to 1/5. When needed to do a percentage of something you can know to divide by 5 rather then having to use multiplication and excessive decimals.

Algebra
TutorMe
Question:

What is the quadratic formula and when do you use it?

Donnie B.
Answer:

x= -b+/- (sqrt(b^2 - 4ac))/2a You use it when you need to find x in a formula that looks like this y=x^2+4x-3 because other methods may not be best or easy to find.

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