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3 years ago

Hi again here's the picture

Mathematics

2 answers:

pshichka [43]3 years ago

8 0

Answer:

Step-by-step explanation:

Given,

D = diameter of semicircular part = 42 m

L = Length of straight part = 110 m

Now, let's find the perimeter:

= 2 ( length of semi-circle + length of straight part )

$= 2( \frac{\pi \: d}{2} + l)$

Plug the values

$= 2( \frac{3.14 \times 42}{2} + 110)$

Calculate the product

$= 2( \frac{131.88}{2} + 110)$

Divide

$= 2 (65.94 + 110)$

Calculate the sum

$= 2 \times 175.94$

Calculate

$= 351.88 \: m$

Hope this helps..

Best regards!!

Talja [164]3 years ago

5 0

Answer:

351.88 m²

Step-by-step explanation:

diameter of the semicircle=42 the radius=42/2=21

perimeter of circle=2π r=2(3.14(21))= 131.88(since you have two semi-circle,then it is a full circle)

perimeter of the rectangle: 2(110)=220( the width used to measure the perimeter of the circle)

the area of the track=131.88+220=351.88

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Evgesh-ka [11]

Answer:

Coffee = $2.00

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Step-by-step explanation:

Given

Let:

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$c + 3d = 5.00$

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$3c + j + 4d = 11.50$

Required

The price of each

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$2c + j + 2d = 7.50$

$c + 3d = 5.00$

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Make c the subject in: $c + 3d = 5.00$

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Equate both values of j

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$j = -3.50 + 5 * 1.00$

$j = -3.50 + 5.00$

$j = 1.50$

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3 years ago

Person 1 writes internal operating procedures 3 times faster than Person 2. Most of the procedures took 30 minutes each to creat

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So for first 7 procedures person 1 would take 10 minutes per procedure and for last two procedures person 1 would take 60 minutes per procedure

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1 hour = 60 minutes

Therefore,

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Si los segmentos son de a y b cm entonces a y b son parámetros que pueden tomar cualquier valor positivo siempre que se cumpla que:

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Answer:

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