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irakobra [83]
4 years ago
5

A rectangle measures 18cm by 10cm Four identical quarter-circles are removed to leave a shaded region Work out the shaded area G

ive answer in pi
Mathematics
1 answer:
Stells [14]4 years ago
7 0
The value of  the required area will depend on  the radius of the quarter circles so you can only give the answer as a function of the radius r.
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If the probability of a machine producing a defective part is 0.05, what is the probability of
Musya8 [376]

Answer:

0.1800 to 4 places of decimals.

Step-by-step explanation:

Using the Binomial formula

Probability = 10C5* (0.95)^95 * (0.05)^5

= 100! / 95!*5! *  (0.95)^95 * (0.05)^5

= 0.1800178.

6 0
3 years ago
Subtract 8 4/5 - 5 1/10 =
Flauer [41]

The answer is 3 7/10

7 0
3 years ago
Help me with this please
prisoha [69]

Answer:

Step-by-step explanation:

The diagonal gives you a 30°-60°-90° triangle. The lengths of the sides of a 30°-60°-90° triangle are in the ratio 1:√3:2.

The side opposite the 60° angle is 12 ft.

The side opposite the 30° angle is 12/√3 ft

The side opposite the 90° angle is 2×12/√3 = 24/√3 = 24√3/3 =  8√3 ft

6 0
3 years ago
Describe the three base materials in soil in terms of porosity and permeability.
777dan777 [17]

<u>Porosity:</u>

  1. Porosity is an intrinsic property of every material.
  2. It refers to the amount of empty space within a given material.
  3. In a soil or rock the porosity (empty space) exists between the grains of minerals.
  4. The amount of water a material can hold is directly related to the porosity since water will try and fill the empty spaces in a material.
  5. We measure porosity by the percentage of empty space that exists within a particular porous media.

<u>Permeability:</u>

  1. Permeability is another intrinsic property of all materials and is closely related to porosity.
  2. Permeability refers to how connected pore spaces are to one another.
  3. If the material has high permeability than pore spaces are connected to one another allowing water to flow from one to another, however, if there is low permeability then the pore spaces are isolated and water is trapped within them.
7 0
3 years ago
Given the function f(x)=8+2x2, calculate the following values:
Alona [7]
Simply each equation is manipulated by the x in the way that the function is telling you to

x = a
f (a) = 8 + 2(a)^2

x = a + h
f (a + h) = 8 + 2( a + h) ^ 2

the last case is represented by two scenarios
x = a + h ... x = a/h

f (a + h) - f( a / h) =
(8 + 2(a + h) ^2) - (8 + 2(a / h)^2)

5 0
3 years ago
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