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GarryVolchara [31]
3 years ago
12

What is the product of 3/4x1/3x2/5

Mathematics
1 answer:
Afina-wow [57]3 years ago
6 0
The product of 3/4 * 1/3 * 2/5 =

Numerator numbers: 3 * 1 * 2 = 6

Denominator numbers: 4 * 3 * 5 = 60

6/60 is the un-reduced answer.

6/60 --> 1/10

Because 1/10 can go into 6/60.

So the answer is 1/10.
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Serggg [28]
The fifth term of the geometric sequence would be 0.972
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3 years ago
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Evidencia de aprendizaje Se desea obtener 80 kilogramos de café molido mezclando café arábico de S/18 el kilogramo y café torrad
SIZIF [17.4K]

Answer:

50kg de café torrado

30kg de café arábico

Step-by-step explanation:

Queremos obtener un total de 80kg de café molido.

Se utilizarán:

Café arábico, que cuesta $18 el kg

Café torrado, que cuesta $10 el kg

Queremos que el precio, por kilo, de la mezcla de 80kg sea $13.

Ok, primero debemos definir las variables:

Definamos:

x = cantidad de café arábico usado

y = cantidad de café torrado usado.

Entonces, como la mezcla deberá tener 80kg en total, tenemos:

x + y = 80kg

Y el costo total de esta mezcla será:

x*$18 + y*$10

Si lo dividimos por el peso total, tendremos el costo por kilo, que es:

(x*$18 + y*$10)/80kg

Y queremos que esto sea igual a $13, entonces tenemos la ecuación

(x*$18 + y*$10)/80kg = $13

Ok, ahora tenemos dos ecuaciones, es decir, tenemos un sistema de ecuaciones:

x + y = 80kg

(x*$18 + y*$10) = $13*80kg

(donde reescribimos levemente la segunda ecuación)

Ok, para resolver este sistema trataremos de reemplazar variables, para ello, el primer paso es aislar una de las variables en una de las ecuaciones.

Aislemos x en la primera:

x = 80kg - y

Ahora reemplazamos esto en la otra ecuación:

(x*$18 + y*$10) = $13*80kg

(( 80kg - y)*$18 + y*$10) = $13*80kg

Ahora podemos resolver esto para la variable y:

$18*80kg - $18*y + $10*y = $13*80kg

$18*80kg - $13*80kg = $18*y - $10*y

($18 - $13)*80kg = ($18 - $10)*y

$5*80kg = $8*y

($5*80kg)/$8 = y

50kg = y

Se usan 50kg de café torrado.

y como:

x + y = 80kg

x = 80kg - y

x = 80kg - 50kg = 30kg

Entonces los 30kg restantes serán de café arábico.

y la estrategia utilizada fue el remplazo de variables.

6 0
3 years ago
A carrot cake recipe calls for 3 cups of flour, 2 cups of sugar, and 1 cup of carrots. What is the ratio of sugar to flour? A. 3
natulia [17]

Answer:

I

Step-by-step explanation:

The ratio of sugar to flour is 2 is to 3 cups

3 0
3 years ago
Need help... post question in comments once someone answers
Ksenya-84 [330]

What's up? How can I help?


3 0
3 years ago
The distributive property can be applied to which expression to factor 12x3 – 9x2 4x – 3?
fomenos
3x2(4x<span> – 3) + 1(4</span>x<span> – 3) </span>
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3 years ago
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