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Nata [24]
3 years ago
8

Please answershow working out please!!!!!!!!

Mathematics
2 answers:
Nikitich [7]3 years ago
7 0
It's as easy as I solved it

Naddik [55]3 years ago
3 0
7/10 is the answer, I know this because you have to multiply the 3/10ths by 2 and I think that's the answer I'm not responsible for any mistakes. Because clearly I said I think.
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Mari is trying to determine how much twine she will need in order to rope off a particular section of her yard (which is circula
inessss [21]
The arc length is the measure of the distance along the curved line making up the arc<span>. It is longer than the straight line distance between its endpoints. To calculate this we simply multiply the angle to the circumference of the circle. It is expressed as:

Arc length = 2</span>πr(angle / 360)
Arc length = 2πr(50 / 360)
Arc length = 5πr / 18

Just multiply the radius then you're good. Hope this helps. Have a nice day.
3 0
3 years ago
A piece of wire 40 cm long is to be cut into two pieces. One piece will be bent to form a circle and; the other will be bent to
Brums [2.3K]
<h3>The perimeter of circle  = 17.6 cm</h3><h3>Perimeter of square  = 22.4 cm</h3>

Step-by-step explanation:

The total length of the wire  = 40 cm

Let us assume the circumference of the circle  = k cm

So, the circumference of the square  = ( 40 - k) cm

Now,as circumference of circle = 2πR

⇒2πR = k cm    or, R  = (\frac{k}{2\pi})

Area  of the  circle = πR²  

or, A  = \pi (\frac{k}{2\pi} )^2  

 = \pi \times (\frac{k^2}{(2\pi)^2} )  = \frac{k^2}{4 \pi} \\\implies A =  \frac{k^2}{4 \pi}   ....... (1)

Similarly , perimeter of square  = 4 x Side

⇒ 4 x Side  =  ( 40 - k) cm    ⇒ S = (\frac{40 - k}{4} )

Area  of the  square = (Side)²    = (\frac{40 - k}{4} ) ^2

 Solving, we get:  A = \frac{1600 + k^2 - 80 k}{16}   ....... (1)

So, combining (1) and (2), total area A is

A = (\frac{k^2}{4 \pi} ) + \frac{k^2 + 1600 - 80 k }{16}

or, we get: A  = 0.07962 k²  + 0.0625 k² + 100 - 5 k

A  =  0.1422 k² - 5 k + 100

For axis of symmetry :  k = (\frac{-b}{2a} ) = (-\frac{-5}{2(0.1420})  = 17.6

⇒ k = 17.6 inches

So, the perimeter of circle  = 17.6 cm

Perimeter of square  = (40 - 17.6 )  = 22.4 cm

3 0
3 years ago
james wants to put 7 tulips in each of 14 vases. He has 47 yellow tulips and 53 pink tulips. How may will he have left over?
Soloha48 [4]

Answer:

47+53=100

7×14=98

2 flowers left

8 0
3 years ago
Read 2 more answers
THis Is WaLtEr AnD i GiVe YoU 20 pOiNtS mErRy ChRiStMaS!!
Amanda [17]

Answer:

oooo

Step-by-step explanation:

oooooooooo yayyyyyy

4 0
3 years ago
Which function has an inverse that is also a function?
UNO [17]
The answer is C or the third one
5 0
3 years ago
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