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coldgirl [10]
4 years ago
6

A fancy dinner for two cost $69.06 before a 7% tax

Mathematics
1 answer:
olga nikolaevna [1]4 years ago
5 0

Answer:

73.89

Step-by-step explanation:

The information needed to solve this problem is the price, 69.06 and the tax, .07. Multiply 0.07, or 7% by 69.06 to get 4.8342. Add that to 69.06 to get 73.8942.

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Una empresa fabrica dos modelos de DVD: el modelo A y el modelo B. Se dispone de 50 kilogramos de caucho y de 80 horas de mano d
alexandr1967 [171]

Answer:

¿Cuántos DVD de cada tipo debe fabricar y vender para que la utilidad sea máxima?

Se debe fabricar y vender 20 DVD del modelo A y 30 DVD del modelo B. La utilidad máxima es de de S/. 1 800

Step-by-step explanation:

x : Número de DVD del modelo A

y : Número de DVD del modelo B.

                               MODELO A MODELO B TOTAL

Cantidad de caucho                  1x 1x                 50 kg.

Horas de mano de obra           1x 2x                 80 horas

U : Utilidad mensual.

La función objetivo, que se debe maximizar, es:

U=30   + 40y

x+ y \leq 50\\  

x + 2y \leq 80

x\geq 0

y\geq 0

Las coordenadas de los vértices de la región factibles son:

A (0, 0) B (50, 0) C (20, 30) D(0, 40)

Entonces, se evalúa la función objetivo en cada punto:

U (0, 0) = 30 (0) + 40 (0) = 0

U (50, 0) = 30 (50) + 40(0) = 1500

U (90, 0) = 30 (20) + 40 (30) = 1800

U (0, 40) = 30 (0) + 40 (40) =1600

Por consiguiente U tiene un valor máximo en C , en donde: x =20 ,  y = 30 .

Se debe fabricar y vender 20 DVD del modelo A y 30 DVD del modelo B. La utilidad máxima es de de S/. 1 800.

 

 30 x  40 y

 

s.a.

 



   x  0 (3)

 

  y  0 (4)

3 0
3 years ago
Find the number of possible outcomes in the Sample Space
diamong [38]

Answer:

Step-by-step explanation:

6 0
3 years ago
You earn $7.80 an hour working as a dog sitter. You work 12.5 hours during the weekend. How much money do you make?
atroni [7]
97.5 is the answer: its simply just 7.80 x 12.5
4 0
3 years ago
Read 2 more answers
Identify the vertex and the y-intercept of the graph of the function y--(x+3 +4
Daniel [21]

The vertex is at (-3, 4)



This can be found by looking at the basic form of vertex form:



y = (x - h)^2 + k



In this basic form the vertex is (h, k). By looking at what is plugged into the equation, it is clear that h = -3 and k = 4. This means the vertex is at (-3, 4).



The y-intercept is at 13. To find this we must first square the parenthesis and get the equation into standard form.


y = (x + 3)^2 + 4

y = x^2 + 6x + 9 + 4

y = x^2 + 6x + 13


Now we know that the y-intercept is equal to the constant, which is the last number in the equation.

7 0
4 years ago
I will give you brainliest!!!! Use substitution method to solve the system of equations. y=6x-5 y=x+5
solong [7]

Answer:

(2,7)

Step-by-step explanation:

y=6x-5

y=x+5

Since they are both equal to y, set them equal to each other

6x-5 = x+5

Subtract x from each side

6x-x-5 = x+5-x

5x-5 = 5

Add 5 to each side

5x-5 +5 = 5+5

5x=10

Divide by 5

5x/5 = 10/5

x=2

y = x+5

y = 2+5

y =7

6 0
3 years ago
Read 2 more answers
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