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Anton [14]
3 years ago
8

Try this, please!

Mathematics
1 answer:
mestny [16]3 years ago
3 0
Check the picture below.

the triangle is an isosceles, so it has twin legs, and a base bottom.

the twin sides stem from the "vertex", and we know the vertex is 120°, and since the triangle is inscribed in a circle, because the circle is "circumscribing" it, then the base side of the triangle will be the diameter of it.

if we run a perpendicular line to the base from the vertex, we'll split the vertex in two 60° angles, as you see there, giving us a 30-60-90 triangle on each side.

so, anyhow, the rest is just a matter of using the 30-60-90 rule.

that's the diameter, and as you know, the radius is just the length of the base, or half the diameter.

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Answer:

a) 75 miles

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Step-by-step explanation:

a) 70 / 2 = 35

40 + 35 = 75

b) 60 + 30 = 90

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Find the value of 7v-6 given that -8v-9=7 Simplify your answer as much as possible 7v-6=
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Answer:

-20

Step-by-step explanation:

-8v-9=7

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4 0
3 years ago
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Step-by-step explanation:

Let the number of singing act be x

Let the number of comedy act be y

If the total act is 14, then;

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If singing acts are 4.5 minutes long and comedy acts are 3.5 minutes long and the acts lasts 59 minutes, then:

4.5x + 3.5y = 59 .......... 2

Solve both equation simultaneously for x and y

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45x+35y = 590

.................................

x+y = 14......... *9

9x+7y = 118....... 1

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9x+9y = 126

9x+7y = 118

Subtract both equations

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2y = 8

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y = 4

Substitute y = 4 into equation 1;

From 1: x+y = 14

x+4 = 14

x = 14-4

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Hence there are 10 singing acts and 4 comedy acts in the show

7 0
3 years ago
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Answer:

Para construir una tabla de frecuencias, procedemos de la siguiente manera:

Construye una tabla con tres columnas. La primera columna muestra lo que se organiza en orden ascendente (es decir, las marcas). ...

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