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Damm [24]
3 years ago
7

At a carnival game, you randomly throw two darts at a board with 15 balloons and break two balloons. What is the probability tha

t both the balloons you break are purple? Write your answer as a fraction or percent rounded to the nearest tenth.
Mathematics
1 answer:
Whitepunk [10]3 years ago
8 0

It doesn't sa how many balloons are purple but ill still help u

This is an dependent variable and let x stand for the number of purple balloons

the chance that u hit a purple with teh first dart is x/15

The chance that u hit a purple with the second dart is x-1/14

the answer is x/15 times x-1/14


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Work out m and c for the line:<br> 3y - 2x = -1
GrogVix [38]

Answer:

m=2/3

and

c=-3/2

4 0
3 years ago
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A train travels from station A to C having distance of 285 miles in 6 hours. During the journey, it reaches intermediate station
Nesterboy [21]

Answer:

Distance between B and C = 3\times 55=165miles

Step-by-step explanation:

Let the time taken to reach from station A to B be x  hr

Let the time taken to reach from station B to C be y  hr

Given total time from station A to C be 6 hr

∴ x + y = 6

⇒ y = 6 - x → (1)

Also total distance given is 285 miles

As Distance=Speed\times Time

∴ distance travelled between station A and B

  =40\times xmiles

distance travelled between station B and station C

  =55\times ymiles

So, 40x + 55y = 285  

⇒ 40x + 55(6 -x) = 285     (From 1)

=> 40x + 330 - 55x = 285

=> -15x = 285 - 330

=> -15x = -45  ⇒ x=3

gives y = 6-3 = 3 hours


Distance between B and C = 3\times 55=165miles

5 0
4 years ago
What is the median score? A. 85 B.87 C.89 D.91
777dan777 [17]
B. 87 because the median is when you rank the all the numbers smallest to biggest, and the number in the middle is the median
5 0
3 years ago
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The circular base of a cone has a radius of 5 centimeters. The height of the cone is 12 centimeters, and the slant height is 13
Iteru [2.4K]

Answer:

283 cm^2

Step-by-step explanation:

Solution:-

We have a cone with a circular base of radius r = 5 cm

The height of the cone is h = 12 cm

The slant height of the cone is L = 13 cm

We are to determine the surface area of the cone. The surface area of the cone is comprised of two parts:

         Base Area : Circle

               A_1 = \pi r^2\\\\A_1 = \pi 5^2\\\\A_1 = 25\pi

        Curved Surface: conical

                A_2 = \pi * r*L\\\\A_2 = \pi * 5*13\\\\A_2 = 65\pi

The total surface area of the cone can be written as ( A ):

               A = A_1 + A_2\\\\A = (25 + 65 )*\pi \\\\A = 90*(3.14) \\\\A = 282.7433 cm^2

Answer: The surface area of the cone to nearest whole number would be 283 cm^2

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4 years ago
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