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MatroZZZ [7]
3 years ago
13

Decimals between 4.2 and 5.4 with an interval of 0.3 between each pair of decimals

Mathematics
1 answer:
fgiga [73]3 years ago
4 0
4.5 4.8 5.1 and 5.4 would be all of them
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What is -15.7 - (-8.2)?
cestrela7 [59]

Answer:

-7.5

Step-by-step explanation:

I used a calculator

8 0
3 years ago
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El costo de producir 10 juegos de video al día es de 350 dólares , mientras que producir 30 juegos del mismo tipo al día cuestan
Dovator [93]

Answer:

El coste de producir un juego de vídeo es de 125 dólares.

Step-by-step explanation:

(This exercise is written in Spanish and is incomplete. Complete statement will be presented below)

El costo de producir 10 juegos de video al día es de 350 dólares , mientras que producir 30 juegos del mismo tipo al día cuestan 850 dólares . Si suponemos un modelo lineal como el descrito anteriormente , determine:

¿Cuál es el costo de producir un juego de vídeo?

(Explanation will be held in Spanish)

El modelo lineal es un polinomio de primer orden de la forma:

y = a\cdot x + b

Donde:

x - Variable independiente (eje x - Cantidad de juegos de vídeo producidos - Adimensional)

y - Variable dependiente (eje y - Coste de producción de juegos de vídeo - Dólares)

a - Pendiente de la función.

b - Intercepto en el eje y.

Dados los dos costes para dos cuotas distintas de producción, se construye el siguiente sistema de ecuaciones lineales:

10\cdot a + b = 350

30 \cdot a + b = 850

Se resuelve el sistema con algo de manipulación algebraica:

(30\cdot a + b) - (10\cdot a + b) = 850 - 350

20 \cdot a = 500

a = 25

Luego:

b = 850 - 30\cdot a

b = 100

La ecuación lineal es:

y = 25\cdot x +100

Finalmente, el coste de producir un juego de vídeo es:

y = 25 \cdot (1) + 100

y = 125

El coste de producir un juego de vídeo es de 125 dólares.

7 0
4 years ago
The area of a rectangular plot 32 feet long and 25 feet wide will be doubled by adding an equal width to each side of the plot.
andrew-mc [135]

Answer: (2x + 32)(2x + 25) = 1600

Step-by-step explanation:

The former length of the rectangular plot = 32 feets

The former width of the rectangular plot =25 feets

The former area of the rectangular plot is former length of the rectangular plot × former width of the rectangular plot

= 32×25 = 800 feet^2

If the area is doubled, the new area would 800 × 2 = 1600 feet^2

If an equal width of x feets was added to each side of the plot,

The new length would be (32 + 2x) feets.

The new width would be (25 + 2x) feets. The 2x is due to the fact that there are 2 lengths and 2 widths

The new area would be

(2x + 32)(2x + 25) = 1600

5 0
3 years ago
Can anyone please help me solve this??
Inessa05 [86]

Answer:

X=4 Y= -5

Step-by-step explanation:

7 0
3 years ago
Find the number if 60% of it is 120
Juli2301 [7.4K]

Answer:200

Step-by-step explanation: Divied 120 by 60 which gives you 20, so therefore, each ten equals 20.

8 0
3 years ago
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