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laila [671]
2 years ago
8

A fair spinner has 12 equal sections: 4 red, 3 blue and 5 green. It is spun twice. What is the probability of getting the same c

olour twice?
Mathematics
1 answer:
dsp732 years ago
3 0

Answer:

<u>25/72</u>

Step-by-step explanation:

Total outcomes :

  • (5 + 4 + 3)²
  • (12)²
  • 144 outcomes

P (red twice) :

  • 16/144
  • 1/9

P (blue twice) :

  • 9/144
  • 1/16

P (green twice) :

  • 25/144
  • 5/12

Adding :

  • 1/9 + 1/16 + 5/12
  • 16/144 + 9/144 + 25/144
  • 50/144
  • <u>25/72</u>
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A plastic box has the dimensions shown.
barxatty [35]

Answer:

960cm³ (D)

Step-by-step explanation:

A plastic box is in form of a cuboid.

The volume of a cuboid = Length × Breadth × Height

Given the dimension 15cm by 8cm by 8cm

Length = 15cm

Breadth = 8cm

Height = 8cm

Volume of the plastic box = 15×8×8

= 960cm³ D

8 0
4 years ago
Will runs a business that employs 105 staff.
Eddi Din [679]

Each employee makes 35 x 7.60 = 266 per week.

105 employees x 266 = 27,930 per week total pay.

27930 x 10 % = 27930 x 0.10 = 2,793 more per week.

4 0
3 years ago
A tank 8m long and 3m broad contains 14400 liters of water. What is the height of the tank?​
Setler79 [48]

Tank Volume = length X Broad X height

So here Length is 8 m , broad is 3 m and let height is H m

So the volume of the tank will be = ( 8 X 3 X H ) m3

So ( 8 X 3 X H ) m3 = ( 8 X 3 X H ) X 1m3 , here 1 m3 = 1000 L

So the amount of water this tank can take is =

= (8 X 3 X H ) X 1m3

= (8 X 3 X H ) X 1000L

= 24000 X H L

And it is given that the tank is 14400L water ,

So we can calculate

24000 X H = 14400

So , H= 14400/24000

So , H = 0.6

So , Height of the tank is 0.6 m

know more about "simplification calculation" here :brainly.com/question/723406

#SPJ4

8 0
2 years ago
Please help with these 3 questions
Sever21 [200]

Answer: x = 11

Step-by-step explanation:

2x+5 = 3x-6

2x-3x = -6-5

-x = -11

x = 11

Double-check:
11*2= 22                   11*3=33

22+5 = 27                33-6= 27

4 0
2 years ago
What is 28 c = ___ pt ?
Savatey [412]
Since there are 2 cups in each pint, we just multiply 28 by 2.

28 × 2 = 56

Our answer is 56 pints.

Hope this helps!
5 0
4 years ago
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