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Slav-nsk [51]
3 years ago
10

Kiyo used to wire fencing to form a border around a circular region in his backyard. If the radius of the circular region was 5

yards, what was the total length of the border, rounded to the nearest tenth of a yard ?
Mathematics
1 answer:
kakasveta [241]3 years ago
6 0

Answer:

The total length of the border is 31.4\ yd

Step-by-step explanation:

we know that

The circumference of a circle is equal to

C=2\pi r

we have

r=5\ yd

assume

\pi=3.14

substitute

C=2(3.14)(5)=31.4\ yd

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insens350 [35]
I believe the answer to this is 51.2.
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3 years ago
You have 23 coins, including nickels, dimes, and quarters. if you have two more dimes than quarters, and the total value of the
Tanzania [10]
You can write three equations in the numbers of nickels (n), dime (d), and quarters (q).
  n + d + q = 23 . . . . . . . there are 23 coins total
  0n +d -q = 2 . . . . . . . . .there are 2 more dimes than quarters
  5n +10d +25q = 250 . .the total value is $2.50

The collection includes 11 nickels, 7 dimes, and 5 quarters.

_____
I used the matrix function of my calculator to solve these equations. You can find q by subtracting from the last equation five times the sum of the first two equations.
  (5n +10d +25q) -5((n +d +q) +(d -q)) = (250) -5(23 +2)
  25q = 125 . . . . . . . simplify
  q = 5
From the second equation,
  d = q +2 = 7
And from the first,
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7 0
3 years ago
Read 2 more answers
Place counter to show five What are counters
PIT_PIT [208]
Just little pieces. Normally round chips or squares but you can use anything
8 0
3 years ago
The distance between B and C
alina1380 [7]

Answer:

The answer is

<h2>\sqrt{13}  \:  \: or \:  \: 3.6055 \:  \: units</h2>

Step-by-step explanation:

The distance between two points can be found by using the formula

d =  \sqrt{( {x1 - x2})^{2} +  ({y1 - y2})^{2}  }  \\

where

(x1 , y1) and (x2 , y2) are the points

From the question the points are

B ( 3 , 1 ) and C( 6 , 3)

The distance between them is

|BC|  =  \sqrt{( {3 - 6})^{2}  +  ({1 - 3})^{2} }  \\  =  \sqrt{ ({ - 3})^{2}  + ( { - 2})^{2} }  \\  =  \sqrt{9 + 4}

We have the final answer as

\sqrt{13}  \:  \: or \:  \: 3.6055 \:  \: units

Hope this helps you

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3 years ago
3. In a circular park with a radius of 250 m there are 7 lamps whose bases are circles with
____ [38]

Answer:

Area of the lawn = 62493π m^2

Step-by-step explanation:

6 0
3 years ago
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