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Black_prince [1.1K]
3 years ago
5

The diameter of a circle is 20 m. Find its area in terms of π

Mathematics
1 answer:
Yakvenalex [24]3 years ago
4 0

Answer:

100π m^2

Step-by-step explanation:

Given data

Diameter= 20m

Radius= 10m

The expression for the  area is

Area= πr^2

Area= π*10^2

Area= π*100

Area= 100π m^2

Hence the area is 100π m^2

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1 over 3 , 3 over 4 ,4 over 7 , 7 over 11, 11over 8 .... (i)one termof this sequence is p over q . Find the term of p and q , th
Anton [14]

Answer:

Next term will be the 6th term i.e. a₆ will be:

  • a₆ = 14/11

Here:

  • p = numerator = 14
  • q = denominator = 11

Step-by-step explanation:

Given the sequence

\frac{1}{3},\:\frac{3}{4},\:\frac{4}{7},\:\frac{7}{11},\:\frac{11}{8},...

First of all the terms of the sequence are in p/q form, where p is the numerator and q is the denominator.

As the fifth term of the sequence is:

a₅ = 11/8

From the given sequence it is clear that the numerator is changing by 3 units and the denominator is also changing by 3 units.

Thus,

The next term will be the 6th term i.e. a₆ will be:

  • a₆ = 14/11

Here:

  • p = numerator = 14
  • q = denominator = 11
4 0
3 years ago
A coin is tossed. What is the theoretical probability of the coin NOT showing tails?
Lelechka [254]

Answer:

50%

Step-by-step explanation:

its 50% it will land on head and 50% it will land on tails since there is only two sides on a coin

5 0
4 years ago
Read 2 more answers
What is the area of the shaded segment?
Whitepunk [10]

Answer:

6\pi-9\sqrt{3

Step-by-step explanation:

The area of a pie-slice shape can be found with the equation A=\pi nr^2/360 where n is the angle of the shape and r is the radius of the circle. In this case, n=60 and r=6. Therefore, the total area of the pie-slice is \pi (60)(6^2)/360=6 \pi

Next, the triangle that makes up the unshaded part of the segment is an equilateral triangle because the angle is 60. The area of an equilateral triangle is \sqrt{3}r^2/4 where r is the length of one of its side (in this case, r=6). Plugging that in, we get an area of 9 \sqrt{3}

Finally, the area of the shaded is the area of the pie-slice minus the area of the triangle: 6\pi-9\sqrt{3

8 0
3 years ago
Consider the expression 63 + 81.
viktelen [127]
63+81=9(7+9)
You can check your answer by:
9(7+9)
9(7+ )=63
9( +9)=81
Multiplying the GCF by every term in the parenthesis.
8 0
3 years ago
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A right pyramid with a square base has a base length
Nuetrik [128]

Answer:

1/3 x^2(x+2) is the expression ...

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