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egoroff_w [7]
3 years ago
13

A box contains 17 balls numbered 1 through 17. Two balls are drawn in succession without replacement. If the second ball has the

number 4 on it, what is the probability that the first ball had a smaller number on it? An even number on it?
Mathematics
1 answer:
sergiy2304 [10]3 years ago
6 0
There are 3 balls less than 4 on the first draw.

Probability = 3/17 = 0.176 or 17.6%

There are only 3 numbers 0, 1, 2. Only 2 is even.

Probability = 1/17 = 0.059 or 5.9%
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I am going to buy exotic fruits. Dragonfruit costs $x-4$ dollars. Starfruit is five dollars less expensive than rambutan. Rambut
soldier1979 [14.2K]
We can represent the Rambutan as x-4+2x or 3x-4 because it costs 2x dollars more than the Dragonfruit. 

We can represent the Starfruit as 3x-4-5 or 3x-9 because it costs 5 dollars less than the Rambutan

Therefore the overall equation would be:
(3x-4)+2(3x-9)+3(x-4) (distribute)
3x-4+6x-18+3x-12 (combine like terms)
12x-34 

Hope this helps
8 0
3 years ago
The figure below shows two triangles on the coordinate grid:
madreJ [45]

Answer:

  • Option A

Step-by-step explanation:

A translation 5 units down, followed by a 180-degree counterclockwise rotation about the origin

  • Correct

A translation 5 units down, followed by a 270-degree counterclockwise rotation about the origin

  • Incorrect. It would work with 180-degree rotation.

A 180-degree counterclockwise rotation about the origin, followed by a translation 5 units down

  • Incorrect. It would work with the translation 5 units up.  

A 270-degree counterclockwise rotation about the origin, followed by a translation 5 units down

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7 0
3 years ago
Simplify 3x -5 + 25x-9
mash [69]

Answer:

28x - 14

Step-by-step explanation:

3x - 5 + 25x - 9

= 28x - 14

3 0
3 years ago
Read 2 more answers
Bra9inly pls help me on this question
kvv77 [185]

Step-by-step explanation:

area of the trapezoid = area of the 2 triangles +

area of the rectangle

i) area of triangle on left:

a = ½ bh

a = ½ × 2 × 9

a = 9 in²

ii) area of triangle on right:

a = ½ bh

a = ½ × 2 × 9

a = 9 in²

iii) area of rectangle = length × width

a = l × w

a = 12 × 9

a = 108 in²

iv) area of trapezoid = 9 + 9 + 108

= 126 in²

hope this helps you!

-s.

7 0
2 years ago
Ocean blue sells 179 medium t-shirts. how much money will they receive ? each t shirt costs 10$
aniked [119]

Answer:

the answer is $1790

Step-by-step explanation:

the answer is $1790 because 179 times by 10 will give you 1790 hope this helps :)

3 0
3 years ago
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