A community swimming pool is made up of four semicircles and a square. Find the perimeter of the swimming pool. Round your answer to the nearest tenth.


i'll give brainliest and i forgot to add the picture on my last one- so yea :)

Answer:

The distance from A to B is approximately 67.5 km

The bearing of B from A is approximately 86.89°

Step-by-step explanation:

i) The distances and the bearing of the motion of the ship is given as follows;

The distance the ship sails on a bearing of 048° = 30 km

The distance further the ship sails on a bearing of 110° = 42 km

From the drawing of the sailing of the ship created with Microsoft Visio, we have;

∠C = 48° + 70° = 118°

By cosine rule, we have;

c² = b² + a² - 2·b·a·cos(∠C)

From which we have;

c² = 30² + 48² - 2 × 30 × 48 × cos(118°) ≈ 4,556.07810082

c ≈ √(4,556.07810082) ≈ 67.5

The distance from A to B = c ≈ 67.5 km

ii) By sine rule, we have;

a/sin(A) = b/sin(B) = c/sin(C)

∴ sin(A) = a·sin(C)/c

Substituting the values of the variables gives;

sin(A) ≈ 48·sin(118°)/67.5

∠A ≈ arcsin(48·sin(118°)/67.5) ≈ 38.89°

Therefore, the bearing of B from A ≈ 48 + 38.89 = 86.89°.

Answer:

Queremos hacer un problema donde tengamos adición (a + b) y substracción ( a - b) de números con signo, de tal forma que el resultado final sea 9.

El caso más simple para este tipo de problemas es algo como:

"Vas a un mercado a comprar un par de productos, el producto A cuesta $A, y el producto B cuesta $B, si solo tenés un billete de $C, cuanto será el vuelto?"

Bueno, el vuelto va a ser la diferencia entre lo que vos entregáis, $C, y el costo total de los productos que compras ($A + $B)

Entonces el vuelto va a ser:

vuelto = $C - ($A + $B)

Y queremos que el resultado de este problema sea 9, entonces podemos escribir:

vuelto = $9 = $C - ($A + $B)

Ahora debemos encontrar los valores de las incógnitas.

Podemos simplemente definir dos de ellas y encontrar la tercera, por ejemplo si $C = $20 y $A = $2, entonces:

$9 = $20 - ($2 + $B)

$9 = $20 - $2 -$B

$9 = $18 - $B

$9 - $18 = -$B

-$9 = -$B

Entonces $B será = $9.

Y el problema podría escribirse como:

"Vas a un mercado a comprar un par de productos, el producto A cuesta $2, y el producto B cuesta $9, si solo tenés un billete de $20, cuanto será el vuelto?"

Answer:

x=30

Step-by-step explanation:

180=2x+3x+x

180=6x

180÷6=6x÷6

30=x

Answer:

Temperatures

Step-by-step explanation:

Answer:

I'm kinda guessing 35 degrees.

Step-by-step explanation:

It was simple math and I don't know if there's a certain way you are supposed to do this. Sorry if I'm incorrect.

Answer:

35 degrees  im pretty sure

Step-by-step explanation:

goodluckk

Answer

why cant a orfian play baseball..... they dont know where home is.

Step-by-step explanation:

Answer:

Step-by-step explanation:

(3c/4)/(3h/8)

(3c/4)(8/3h)

(24/12)c/h

2 c/h

So employee can make 2 chairs in one hour.

Answer:

your answer will be B. y = | x+4 | - 2

Step-by-step explanation:

hope it helps you

have a nice day!!

Answer:

its i either c or b but i would chose C.

Step-by-step explanation:

Answer:135

Step-by-step explanation:

bcs 45x60 is 2700 ÷20= 135

Answer: See explanation

Step-by-step explanation:

x - 4 = 17

Collect like terms to get the value of x

x = 17 + 4

x = 21

5x - 1 = 24

Collect like terms to get the value of x

5x = 24 + 1

5x = 25

Divide both side by 5

5x/5 = 25/5

x = 25/5

x = 5

Answer:

x = 91 degrees

It is an obtuse scalene triangle.

Step-by-step explanation:

Answer:

B. -1/12

Step-by-step explanation:

1/2 - 5/6 + 1/4 = -1/12

[tex] \frac{1}{2} - \frac{5}{6} = \frac{3}{6} - \frac{5}{6} = - \frac{2}{6} \\ \\ = - \frac{1}{3} + \frac{1}{4} = - \frac{4}{12} + \frac{3}{12} = - \frac{1}{12} [/tex]

Answer:

30 not -30 x

Step-by-step explanation:

6x = 6(5) = 30

iI hope im right!!

Answer:

20

Step-by-step explanation:

In the tenths place, it is 7 so it rounds up.

19 rounded is 20.

Hope this helps =]

Answer:

1=15.7

2:31.4

3:12.5

Step-by-step explanation:

1=5×3.14=15.71

2:5×2=10×3.14=31.42

3:39.25÷3.14=12.5

hope this helps

Answer:

1 is 15.7, 2 is 31.4, 3 is 12.5

Step-by-step explanation:

1.C=πd

C=π×5

C=5π

Circumference = 15.7

2.C=2πr

C=2×π×5

C=10π

Circumference = 31.4

3. diameter=Cπ

d=39.25π

d=39.25/3.14

Diameter = 12.5

Hope this helped.

Answer:

18π

Step-by-step explanation:

Lateral Surface Area = 2πrh

Plug in the numbers into the equation.

but leave the pi

Answer:

70 ft is the answer

hope it helps and your day will be full of happiness

Answer:

i'm pretty sure its 70ft

Step-by-step explanation:

hope this helps :p

Answer:

It's quite simple and there is no need for rounding, the answer should be 8ft

Step-by-step explanation:

Here's why,

This problem can be solved with the Pythagorean Theorem, since in draws a triangle.

The picture should explain it,  let's double check:

6^2+8^2=10^2

36+64=100

Looks like it checks out

Answer:

I agree, the answer should be 8ft

Answer:

31874

Step-by-step explanation:

I think that's right?

please tell me

Answer:

158

Step-by-step explanation:

Answer: 66 degrees

Step-by-step explanation:

Answer:

50 min

Step-by-step explanation:

Convert the hours and minutes to pure minutes. 1hr40min =60min +40min= 100min and 2.5hrs =2(60min)+30min=150min. Then subtract 150 from 100 to get 50 min longer.

Answer:

27:18

Step-by-step explanation:

simplified would be 3:2

Answer:

This hurt my head

Step-by-step explanation:

Answer:

0 from the x axis, 5 from the y-axis

Step-by-step explanation:

Coordinates are (x,y).