2 years ago

You pick a card at random. Without putting the first card back, you pick a second card at

Mathematics

1 answer:

malfutka [58]2 years ago

7 0

Answer:

1/6

Step-by-step explanation:

Firstly, Pr(e) = n(e)/Total outcome

Pr(2) = 1/3

Pr(1) = 1/2

Pr(1 and 2) = 1/3 * 1/2 = 1/6

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Gwar [14]

Find

R(V)

p(x)×x
x(-3/2x+112)
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Now

y=-3/2x²+112x

Find vertex x coordinate

-b/2a
-112/-2(-3/2)
-37.3

Put in equation

y=-3/2(-37.3)²+112(-37.3)
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A dress that normally costs $69.50 is on sale for 40% off. What is the sale price of the dress?

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Answer:

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Step-by-step explanation:

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Endpoint given the Midpoint: * The midpoint of RP is M(2, 4). If one of the end points is R(-1,7), find the coordinates of the o

marin [14]

Answer:

The coordinates of other point are: (5,1)

Step-by-step explanation:

Given coordinates are:

M(x,y) = (2,4)

R(x_1,x_2) = (-1,7)

We have to find the coordinates of other point (x2,y2)

The formula for mid-point is given by:

$M(x,y) = (\frac{x_1+x_2}{2}, \frac{y_1+y_2}{2})$

Putting the values we get

$(2,4) = (\frac{-1+x_2}{2}, \frac{7+y_2}{2})$

Putting respective elements equal

$\frac{-1+x_2}{2} = 2\\-1+x_2 = 2*2\\-1+x_2 = 4\\x_2 = 4+1\\x_2 = 5\\And\\\frac{7+y_2}{2} = 4\\7+y_2 = 4*2\\7+y_2 = 8\\y_2 = 8-7\\y_2 = 1$

Hence,

The coordinates of other point are: (5,1)

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2 years ago