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Mathematics 20 Online
OpenStudy (solomonzelman):

Can you help me improve my SAT skills by asking SAT questions and seeing if I can do them?

OpenStudy (solomonzelman):

(You were like again?!?! Yes man, again!)

OpenStudy (solomonzelman):

Don't link me... ask a question here, please!

OpenStudy (anonymous):

what subjects would you like to study today?

OpenStudy (solomonzelman):

For SAT questions? The toughest SAT questions and staff.....

OpenStudy (anonymous):

Emily's school offers 3 English classes and 4 History classes for her to choose from. She must choose 3 of these classes to complete her schedule. If exactly one of these must be an English class, how many different combinations of classes are possible for Emily?

OpenStudy (solomonzelman):

I see

OpenStudy (anonymous):

A. 7 B. 12 C. 18 D. 21 E. 35

OpenStudy (solomonzelman):

2 nCr 2

OpenStudy (solomonzelman):

right?

OpenStudy (solomonzelman):

1 English class she must do so t is not included...

OpenStudy (anonymous):

you are correct my sir :)

OpenStudy (solomonzelman):

6

OpenStudy (anonymous):

you dont need studying ! you are doing well over what i had expected

OpenStudy (solomonzelman):

ooops the multiple choice confused me...

OpenStudy (solomonzelman):

No I mean really really hard ones you can ever imagine!

OpenStudy (anonymous):

In the sequence 5, 3, 9/5, ..., the first term is 5 and each term after the first is equal to m times the previous term. Which of the following is true about m? A. -3 < m < -1 B. -1 < m < 0 C. 0 < m < 1 D. 1 < m < 3 E. 3 < m < 5

OpenStudy (anonymous):

How about \(i^x = x\)? :D

OpenStudy (solomonzelman):

hold on SAC....

OpenStudy (anonymous):

math xmlns=" http://www.w3.org/1998/Math/MathML "> <msup> <mi>i</mi> <mi>x</mi> </msup> <mo>=</mo> <mi>x</mi> </math>

OpenStudy (solomonzelman):

3/5 so B

OpenStudy (anonymous):

x^4 - 8x^3 + 16x^2 + 8x - 17

OpenStudy (solomonzelman):

what do I have to do?

OpenStudy (solomonzelman):

Whatever, closed

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