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Alex73 [517]
3 years ago
9

10 points

Mathematics
1 answer:
Sonbull [250]3 years ago
6 0

Answer:

1/169

Step-by-step explanation:

52 cards in a deck, 13 are diamonds

P(diamond) = number of diamonds/ total

                    = 13/52 = 1/13

Replace the card

52 cards in a deck, 13 are diamonds

P(diamond) = number of diamonds/ total

                    = 13/52 = 1/13

P (diamond, replace, diamond) = 1/13 * 1/13 = 1/169

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A customer enters an order to buy 1,000 abc at 50, good for the week only. how will this order appear on the order book?
marysya [2.9K]

This isn't math.

GTW means good this week, so choice b.

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5 0
3 years ago
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Solve the system using elimination.<br> 2x + 18y = -9<br> 4x + 18y = -27
Elan Coil [88]

First, let's cancel out the x by multiplying 2x + 18y = -9 by -2.

-2 ( 2x + 18y = -9) = -4x -36y = 18

Then, we combine the two equations.

-4x + 4x = 0

18y - 36y = -18y

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Our new equation is -18y = -9.

Now, divide both sides by -18.

-18y / -18 = y

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We can plug in a value for y since y = 1/2 now.

Let's use 2x + 18y = -9

Plug in y.

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Then, subtract 9 from both sides.

2x = -18

Divide by 2.

2x/2 = x

-18/2 = -9

x = -9

Lastly, we can plug in both x and y values to see it works.

2(-9) + 18(1/2) = -9

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Therefore, the values of x and y does work.

x = -9

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4 0
3 years ago
The length of a rectangle is 4x + 5 and the width is 8x - 4. what is the perimtleter?
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Hi there!

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3 years ago
Y=2x. 1x=-y+6<br> Solve this system of equations
Allushta [10]

Answer:

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Step-by-step explanation:

check the image attached

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3 years ago
Will mark BRAINELIST please answer!
ratelena [41]

Answer:

all i know is A and it is -1,-2

Step-by-step explanation:

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