Does anyone know how to do functions?

Mathematics

1 answer:

trasher [3.6K]3 years ago

5 0

I think 1 is a but I’m not sure

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Suppose you choose a marble from a bag containing 6 red marbles , 2 white marbles and 5 blue marbles you return the first marble

algol [13]

Answer:

30/169

Step-by-step explanation:

We need to know how many marbles in the bag

6 red marbles + 2 white marbles + 5 blue marbles = 13 marbles

P (red) = red / total = 6/13

We then put the marble bad so there are still 13 marbles in the bag

P(blue) = blue /total = 5/13

P (red then blue ) = P(red) *P(blue)

= 6/13 * 5/13 = 30/169

8 0

4 years ago

Let f(x) = 13x + 7 and g(x) = x^2 -3, find f( +g)(x)

mafiozo [28]

$\mleft(f+g\mright)\mleft(x\mright)=f\mleft(x\mright)+g\mleft(x\mright)$ $(f+g)(x)=(13x+7)+(x^2-3)=x^2+13x+4$

8 0

1 year ago

Please show all the working out.

Elanso [62]

11/26 chance that the student plays both instruments.

First, add the amount of students that just play flute or piano:

3 + 5 = 8

Then add 8 to the amount that does not play either instrument:

8 + 7 = 15

Then do:

26 - 15 = 11

Then place 11 over the amount of people:

11/26
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4 0

4 years ago

What is the sum of negative 8/19 and negative 4/57

DedPeter [7]

Answer:

I can only guess that your answer is 32/1083.

Step-by-step explanation:

6 0

3 years ago

Read 2 more answers

Arrange the following and ascending and descending order first one is 1 by 12 1 by 23 1 by 5 1 by 7 1 by 50 1 by 9 1/17

Nonamiya [84]