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Luden [163]
3 years ago
7

a horse trots in a circle at the end of a 4m rope. About how far does the horse trotted after completing ten circles?

Mathematics
2 answers:
viva [34]3 years ago
7 0
--------------------------------------------------
Find 1 round
--------------------------------------------------

1 round of the circle = πD
1 round of the circle = π(2x4)
1 round of the circle =8π

--------------------------------------------------
Find 10 rounds
--------------------------------------------------

10 round of the circle = 8π x 10 
10 round of the circle = 80π
10 round of the circle = 251.33 m

--------------------------------------------------
Answer: 251.33 m
--------------------------------------------------
LenaWriter [7]3 years ago
5 0
251.33m. First find the distance around one circle then times by ten for all the circles.
Circumference of each circle=2x(pi)xr
=2(Pi)x10
=25.13
For ten circles=25.13x10
=251.33
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2 years ago
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CAN SOMEONE MULTIPLY THIS PLEASE, ITS URGENT
____ [38]

Let's factorise it :

\: {\qquad  \dashrightarrow \sf   ( {x}^{3}   -  5)(x + 3)  }

\: {\qquad  \dashrightarrow \sf    {x}^{3} (x + 3) + [-5(x + 3)]  }

Using Distributive property we get :

\: {\qquad  \dashrightarrow \sf    {x}^{3} +  {3x}^{3}   + ( - 5x - 15)  }

\: {\qquad  \dashrightarrow \sf    {x}^{3} +  {3x}^{3}   - 5x - 15 }

\: {\qquad  \dashrightarrow \sf    4{x}^{3}  - 5x - 15 }

⠀

Therefore,

\: {\qquad  \dashrightarrow \sf   ( {x}^{3}   -  5)(x + 3)   =4{x}^{3}  - 5x - 15}

8 0
2 years ago
the first box is divide/ multiply the second is height/base and the third is divide/multiply the fourth is the base/ 2 / the ar
jeka94
-DIVIDE- the area of a triangle by the -BASE-
, and -MULTIPLY- the result by -2-

Explanation:
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