Is the equation true, false, or open? 5x+2=6x+11

Mathematics

1 answer:

Sliva [168]3 years ago

6 0

This equation is true if x=9 and otherwise that equation is false..

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On your next turn in a board game there is a 60% chance that you will move ahead 4 spaces and a 40% chance that you will move ba

Vika [28.1K]

The expectation value is simply obtained by multiplying the probability of each outcome by each possible value. These are then summed for each outcome to obtain the expectation value. In the board game, if there is a 60% chance that you will move 4 spaces forward (+4) and a 40% chance that you will move back 2 spaces then expected value for number of spaces is (0.6 x 4) + (0.4 x -2) = 2.4 - 0.8 = 1.6 spaces.

8 0

3 years ago

Determine the slope of the line 5x + 3y + 12 = 0 .

vazorg [7]

Put ur equation in y = mx + b form because the slope will be in the m position.

5x + 3y + 12 = 0
3y = -5x - 12
y = -5/3x - 4

y = mx + b
y = -5/3x + (-4)......as u can see, the number in the m position (the slope) is -5/3 <===

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3 years ago

Ten of 16 students in Nyack's class are girls. His teacher selected two

viktelen [127]

I can't understand this after "happening is" but let's do it unaided.

The number of ways to draw a boy first is 6.

Given that, the number of ways to draw a girl next is 10.

That's out of a total of 16 x 15 length two permutations of 16 things

$p = \dfrac{6 \times 10}{16(15)} = 1/4$