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a_sh-v [17]
3 years ago
14

Find the circumference of a cirlce whose radius is 12 in.

Mathematics
1 answer:
anyanavicka [17]3 years ago
8 0

Answer: 75.36 in

Step-by-step explanation:

C = 2 x pie x radius

2 x 3.14 x 12 = 75.36

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<img src="https://tex.z-dn.net/?f=-6x%5E4-3x%5E2y%5E2%20%2B%205y%5E4" id="TexFormula1" title="-6x^4-3x^2y^2 + 5y^4" alt="-6x^4-3
Mashutka [201]

Answer:

the answer to the question is 8x⁴- 5x²y² - 6y⁴  

Step-by-step explanation:

the normal way of using BODMAS is apply to all polynomial equations.

subtracting  -6x⁴- 3x²y² + 5y⁴ from 2x⁴ - 8x²y² - y⁴.

polynomial of the same degree is very easy to calculate. this equation is having the same degree of polynomial all through, therefore:

  Applying Bracket to the equation

   2x⁴ - 8x²y² - y⁴- ( -6x⁴- 3x²y² + 5y⁴)

  Open the bracket

   2x⁴ - 8x²y² - y⁴ +6x⁴+3x²y² - 5y⁴

  collects the likes terms

   2x⁴ +6x⁴- 8x²y² +3x²y² - 5y⁴  - y⁴

  The final answer is =

   8x⁴- 5x²y² - 6y⁴  

6 0
3 years ago
What is the trigonometric ratio for sin C
Arturiano [62]
For this case we use the following definition:
 sine (x) = (C.O) / (h)
 Where,
 x: angle
 C.O: opposite leg
 h: hypotenuse
 Substituting values:
 sine (C) = (C.O) / (h)
 sine (C) = (AB) / (82)
 We look for AB by Pythagorean theorem:
 AB = root ((82) ^ 2 - (80) ^ 2)
 AB = 18
 Substituting:
 sine (C) = (18) / (82)
 Simplifying:
 sine (C) = (9) / (41)
 Answer:
 the ratio is:
 sine (C) = (9) / (41)
7 0
3 years ago
n the United States, the average public school teacher currently earns an annual salary near $55,202. Reported national average
julsineya [31]
What the heck I am so confused
6 0
3 years ago
Al precio de p dólares por unidad, se venden x unidades de cierto artículo al mes en el mercado con p=50-0.5x ¿Cuántas unidades
Ray Of Light [21]

Answer:

Se debe vender un mínimo mensual de 40 artículos para tener un ingreso mínimo de 1.200 dólares.

Step-by-step explanation:

De acuerdo con el enunciado, x es la cantidad mínima de artículos a un precio de p. Además, los ingresos totales deben ser de un mínimo de 1200. En consecuencia, tenemos el siguiente sistema de ecuaciones:

x \cdot p = 1200 (1)

p = 50-0.5\cdot x (2)

Aplicando (2) en (1), tenemos la siguiente ecuación polinómica:

x\cdot (50-0.5\cdot x) = 1200

50\cdot x -0.5\cdot x^{2} = 1200

0.5\cdot x^{2}-50\cdot x +1200 = 0 (3)

Por la Fórmula de la Cuadrática tenemos las raíces del polinomio:

x_{1} = 60, x_{2} = 40

De acuerdo con el resultado anterior, se debe vender un mínimo mensual de 40 artículos para tener un ingreso mínimo de 1.200 dólares.

3 0
3 years ago
In the right triangle shown, mZA = 45° and AB = 12. How long is BC?
iragen [17]

Answer:

I think BC is 45°÷2 Or 12÷2

Step-by-step explanation:

so the answer is 15° or 6

6 0
3 years ago
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