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nikdorinn [45]
3 years ago
13

In a class of 888, there are 333 students who have done their homework. If the teacher chooses 222 students, what is the probabi

lity that both of them have done their homework?
Mathematics
2 answers:
vlabodo [156]3 years ago
8 0
555 of the students haven’t did there work
TEA [102]3 years ago
7 0

Answer:

3/28

Step-by-step explanation:

3/8 * 2/7 = 6/56 = 3/28

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2 years ago
What is the value of f(-2) for the given function
scZoUnD [109]

Copy down the given function:

f(x)=3•2^x

Now replace both instances of x with -2:

f(-2) = 3*2^(-2).                                1

Recall that 2^(-2) is the same as ------ = 1/4

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Therefore, f(-2) = 3*2^(-2) = 3*(1/4) = 3/4

Remember that exponentiation has to be carried out before multiplication.  That's why I did 2^(-2) before multiplying by 3.

3 0
3 years ago
Please select the best answer from the choices provided<br><br> T<br> F
bogdanovich [222]

Answer:

T.

Step-by-step explanation:

The ordered pair (-2,-1) can also be represented by (x,y). To check the inequality we can substitute the values into the given inequality.

y>-\sqrt{x+11+1}

-1>-\sqrt{-2+11+1}

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After substituting the values, we then have a clear view that -1 is Greater than -3.1622.

8 0
3 years ago
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