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Alex17521 [72]
3 years ago
5

PLEASE HELP I GIVE THANKS

Mathematics
1 answer:
erma4kov [3.2K]3 years ago
3 0
Use A: to find the value of x. In order to find that you would have to match one part of the proportion. x should be the numerator over 15 and 12 should be over 20 (The total length of that side of the triangle). Good luck. : ) 
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Un estudiante debe recorrer dos tercios de kilómetro para llegar al colegio, si avanza medio kilómetro en bus y lo demás a pie ¿
Murljashka [212]

Answer:

Al estudiante le falta caminar \frac{1}{3} de kilómetro.

Step-by-step explanation:

Un estudiante debe recorrer dos tercios de kilómetro para llegar al colegio. Dos tercios equivale a la fracción \frac{2}{3} .

El estudiante avanza medio kilómetro en bus. Un medio equivale a la fracción \frac{1}{2}, por lo tanto un medio es la mitad de una cantidad.  Para calcular la distancia recorrida en bus se realiza la siguiente multiplicación:

\frac{1}{2} *\frac{2}{3}

Resolviendo:

\frac{1}{2} *\frac{2}{3} =\frac{1*2}{2*3} =\frac{2}{6} =\frac{1}{3}

Entonces, la distancia recorrida en bus es \frac{1}{3} de kilómetro.

Para calcular la distancia recorrida a pie se calcula la diferencia entre la distancia total a recorrer por el estudiante y la distancia recorrida en bus. Esto es:

\frac{2}{3} - \frac{1}{3}

Resolviendo:

\frac{2}{3} - \frac{1}{3}=\frac{2-1}{3} =\frac{1}{3}

<u><em>Al estudiante le falta caminar </em></u>\frac{1}{3}<u><em> de kilómetro.</em></u>

6 0
3 years ago
Kim wants to buy art supplies that normally costs $50, but are on sale for 20% off. What is the sale price for the art supplies?
stepan [7]

Answer:

$40

Step-by-step explanation:

100% - 20% = 80%

80% of $50 = 0.8 × $50 = $40

4 0
2 years ago
Del ray can run 20 1/2 miles in 2 1/4 hours. How many miles per hour can he run?
emmasim [6.3K]
20 \frac{1}{2} :2 \frac{1}{4} = \frac{41}{2}: \frac{9}{4}=  \frac{41}{2}* \frac{4}{9} =\frac{82}{9} =  9 \frac{1}{9} \ \ \text{miles per hour}
5 0
2 years ago
THE SEVEN APPLEWOMEN
Sliva [168]

Answer:

  zero

Step-by-step explanation:

If the same sum is received for the sale of 20 apples at price p as is received for the sale of 140 apples at price p, then we must have ...

  20p = 140p

  120p = 0 . . . . . . subtract 20p

  p = 0 . . . . . . . . . divide by 120

The price was zero.

7 0
3 years ago
Read 2 more answers
A dart hits the circular dartboard shown below at a random point. Find the probability that the dart lands in the shaded circula
Feliz [49]
The probability of it landing in the shaded area is 4/10, or 2/5 simplified, or 40%. Hope this helps! <3
7 0
3 years ago
Read 2 more answers
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