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zysi [14]
2 years ago
15

Challenge An arts academy requires there to be 5 teachers for every 115 students and 3 tutors for

Mathematics
1 answer:
Juli2301 [7.4K]2 years ago
7 0

Step-by-step explanation:

<u>5 teachers for every 115 students </u>

  • 1 teacher for every 115/5 = 23 students

<u>3 tutors for every 27 students</u>

  • 1 tutor for every 27/3 = 9 students

<u>If there are 90 students, then number of tutors:</u>

  • 90/9 = 10 tutors
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Una persona viaja a la ciudad X a la ciudad Y de la siguiente manera: la mitad del recorrido lo realiza en tren, la tercera part
hodyreva [135]
Tenemos que

R------------ > recorrido total
x---------------- > viaje en tren--------------- > (1/2)*R 
y----------------- > viaje en bicicleta-------------(1/2)*(1/3)*R=(1/6)*R
z------------------- > viaje en automovil --------- > (1/2)*(2/3)*R=(2/6)*R=100 km
R=x+y+z
resolviendo nos queda que
(2/6)*R=100--------------- > R=100*6/2=300 km
viaje en tren----------- > (1/2)*R=300/2=150 km
viaje en bicicleta------- > (1/6)*R=300/6=50 km
( estos dos ultimos calculos no lo estan pidiendo y no hacen falta para contestar la pregunta, simplemente se realizan a manera didactica)

La respuesta  es
La distancia entre las dos ciudades es de 300 km
 
5 0
3 years ago
A submarine is descending to examine the seafloor 2,100 feet below the surface. it takes the submarine 2 hours to make this desc
Andrej [43]

Answer:

Step-by-step explanation:

x = time

y = elevation

At x = 0  ,  y  = 0

It takes the submarine 2 hours to make descent of 2100 ft

=> x = 2 , y  = - 2100

Slope = ( -2100 - 0)/(2 - 0)  =  -1050

y - 0 = -1050 ( x -0)

=> y = -1050x

1050x  + y = 0

represent the relationship between the submarine's elevation and time.

3 0
1 year ago
39.54 divided by 3 please.
jeka57 [31]

Answer: 13.18

Step-by-step explanation:

5 0
3 years ago
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Iron can exist as a solid or liquid. Which statement best comparison solid iron and liquid iron?
tester [92]

Answer: Iron, a solid at room temperature, becomes a liquid at 2800 degrees Fahrenheit (really, REALLY hot) and a gas at 5182 degrees Fahrenheit (about half the temperature of the sun). When things are hot, the molecules and atoms move around more and faster, and when they are cold they are slower.

Step-by-step explanation:

3 0
3 years ago
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Evaluate (3)^1/6 × (3)^-2/3
Elan Coil [88]
39918656718818881883
7 0
1 year ago
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