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timofeeve [1]
3 years ago
12

When drawing four cards, what is the probability of drawing an ace, a king, a queen, and a jack without replacement?

Mathematics
1 answer:
slega [8]3 years ago
7 0
It’s a slim chance considering there’s a lot of cards in one dec
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Write the expression without the fraction bar.
kirill115 [55]
For problems like this you can move the y's on the bottem up top by fliping the sign of the exponent (in this case 7 to -7) and MULTIPLYING it with EVERYTHING on top, then because of properties of multplication you can add the exponents to combine them into one term (in this case add 3 and -7 to get -4) \frac{ y^{3} }{y^{7}}=y^3 *y^{-7} = y^{3+-7}=y^{3-7}=y^-4 If any of this does not make sense let me know and ill try to clarify better
5 0
2 years ago
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A boat sails 50 km on the bearing of 054º. How far is the ship north of its starting point
Otrada [13]

Answer:

12 A boat sails 50 km on the bearing 054º. How far is the ship north of its starting point? 13. 

Step-by-step explanation:

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3 years ago
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15 is 23% of what number
rosijanka [135]
15 = 0.23x
x = 65.2 

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4 0
2 years ago
Solve the following equation:<br> a) 3x - 9 = 27/ 1 - 5x<br> b) 10x - 1/x = 3
mars1129 [50]

Answer:

A) x=9/2 B) x=-1/5, 1/2

Step-by-step explanation:

3x-9=27/1-5x

3x-9=27-5x

3x-(-5x)-9=27

3x+5x-9=27

8x-9=27

8x=27+9

8x=36

x=36/8

simplify

x=9/2

Answer: x=9/2

-----------------------------

10x-1/x=3

(10x^2-1)/x=3

10x^2-1=3*x

10x^2-1=3x

10x^2-3x-1=0

factor out the trinomial,

find two numbers that when they multiply,

you get the third term, which is -1 in this case.

When you add those 2 numbers, you get the second term,

which is -3 in this case.

(5x+1)(2x-1)=0

apply the zero property from here,

set 5x+1=0 and 2x-1=0 and solve for x.

5x=0-1=-1, x=-1/5,

2x=0+1=1, 2x=1, x=1/2.

So x=-1/5, 1/2.

5 0
3 years ago
Which of the following coordinates exists on the line y = 3x + 1?
tankabanditka [31]

Answer:

D

Step-by-step explanation:

-2 = 3(-1) +1

-2 = -3 + 1

-2 = -2

8 0
3 years ago
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