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inn [45]
3 years ago
5

4/7 = ?/42 fill in the the blank to make the two fractions equivalent

Mathematics
1 answer:
sukhopar [10]3 years ago
6 0

Answer:

24/42

Step-by-step explanation:

42÷7=6

4x6/7x6=24/42

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Please help with this question for 10 points and I will pick the Brainliest answer!
nikdorinn [45]
Which property of real numbers is illustrated by the equation
52 +(27 +36) = (52 + 27) +36?

These numbers are alike such as:  <span>a + (b + c) = (a + b) + c
Which means that this is T</span><span><span>he Associative Property.

</span>Hope this helps! :)
</span>
8 0
3 years ago
One of the zeros of the polynomial function is 3.
Orlov [11]

Answer:

f(x)=(x−3)(x+1)(x−1)(x+2)

Step-by-step explanation:

5 0
3 years ago
A figure is shown Below<br><br> Find M
yKpoI14uk [10]

Answer:

58 degrees

Step-by-step explanation:

We know that angles on a straight add up to 180 degrees. Therefore:

To find the angle at the top of the triangle do 180-112 = 68

To find the angle at the right side of the triangle do 180 - 126 = 54

We know that angles in a triangle add up to 180 degrees. Therefore:

To find m do 180 - (54 + 68) = 58

7 0
3 years ago
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
Judy is a doctor. She placed a small sample of bacteria in a culture dish and recorded the number of bacteria present each 30 mi
german

Answer:

At 2:00 there will be 38,400 bacteria.

Step-by-step explanation:

600/150 = 4

2400/600 = 4

So, the bacteria quadruples every half hour.

At 1:30, there will be 2400*4 = 9600.

At 2:00, there will be 9600*4= 38400

3 0
3 years ago
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