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Rzqust [24]
3 years ago
7

I go to the store and buy instant noodles for 7.75 pesos, can of sardines for 16.00 pesos and 2 sachets of coffee for 12.25 peso

s.How much money do I need to pay​
Mathematics
1 answer:
Elena-2011 [213]3 years ago
5 0

Answer:

36.00 pesos or $1.73

Step-by-step explanation:

plz give brainliest

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3liters of juice to the ratio 5:3:4
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Step-by-step explanation:

Let 3 litres of juice be divided into 5x, 3x and 4x parts.

\therefore \: 5x + 3x + 4x = 3 \: litres \\  \therefore \: 12x = 3000 \: ml\\ \therefore \: x =  \frac{3000}{12}  \\ \therefore \: x =  250 \: ml \\  \therefore \: \\  5x = 5 \times 250 = 1250 \: m = 1.25 \: l \\ 3x = 3\times 250 = 750 \: ml  = 0.75 \: l\\ 4x = 4 \times 250 = 1000 \: ml  = 1 \: l\\

6 0
2 years ago
El ingreso de una empresa de construcción de obras civiles se estima a través del tiempo de acuerdo con la siguiente función I(t
brilliants [131]

Usando conceptos de funciones cuadráticas, se encuentra que:

  • El máximo ingreso será alcanzado en 6 años.
  • El máximo ingreso será de 800 miles de soles.

La función que estimate el tiempo es dada por:

I(t) = -64 + 288t - 24t^2

Que es una función cuadrática con coeficientes a = -24, b = 288, c = -64.

El año en qué se alcanzará el máximo ingreso es el <u>valor de t de el vertice</u>, o sea:

t_V = -\frac{b}{2a} = -\frac{288}{2(-24)} = \frac{288}{48} = 6

El máximo ingreso será alcanzado en 6 años.

El valor del máximo ingreso es el valor de <u>I de el vertice</u>, o sea:

I_v = -\frac{\Delta}{4a} = -\frac{b^2 - 4ac}{4a}

Entonces:

I_v = -\frac{288^2 - 4(-24)(-64)}{4(-24)} = 800

El máximo ingreso será de 800 miles de soles.

Un problema similar es dado en brainly.com/question/21434178

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2 years ago
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2 years ago
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Answer:     x=2

Step-by-step explanation:

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