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FromTheMoon [43]
3 years ago
9

Andre is running in an 80-meter hurdle race. There are 8 equally-spaced hurdles on the race track. The first hurdle is 12 meters

from the start line and the last hurdle is 15.5 meters from the finish line. Calculate how far apart the hurdles are from one another in decimal form?
Mathematics
1 answer:
Dennis_Churaev [7]3 years ago
7 0

Answer: 32 meters

Step-by-step explanation:

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En una familia de Tres hermanas decidieron contratar internet para nueve meses cada un mes cobraron $300 dos de ellas pagaron 4
shtirl [24]

Answer:

Las respuestas son:

  1. <em>Si van a partes iguales, cada una debió pagar el equivalente a 3 meses de servicio, es decir, $900.</em>
  2. <em>La tercera hermana que solo pagó un mes, deberá reembolsarle el equivalente a un mes de servicio a cada una de sus hermanas, es decir, $300 a la primera y $300 a la segunda.</em>

Step-by-step explanation:

Para resolver este ejercicio debes multiplicar el valor mensual del servicio por el número de meses que se tuvo activo, y de esta forma sabrás el costo total del servicio durante ese lapso de tiempo:

  • Costo total = $300 * 9
  • Costo total = $2700

Como el pago es por partes iguales y son tres hermanas, se divide el valor calculado entre tres:

  • Costo a pagar por hermana = $2700 / 3
  • <u>Costo a pagar por hermana = $900</u>

<u><em>Como dos hermanas pagaron $1200 y una de ellas pagó $300, quiere decir que cada una de las primeras dos hermanas merecen que se les devuelvan $300 ( el excedente pagado) y la última hermana deberá utilizar los $600 que no ha pagado, en retribuir dicho dinero a sus hermanas</em></u><em>.</em>

5 0
3 years ago
Slove the following equation for number x. verify tht your solution is correct 3/4(x+8) =9
Tanya [424]
3/4 (x+8)=9
3/4x+6=9
-6
3/4x=3
X=4
Check
3/4(4+8)=9
3/4 (12)=9
9=9
3 0
3 years ago
If I had a grade of 81 in a mathematics class and earned a 90 on a TEST grade, what would be the grade then be?
balu736 [363]

Answer:

It depends how much percent the test is worth on your grade, and how much test grades you have. It would definitely raise to at least an 83 though.

3 0
2 years ago
The monthly cost of a wireless telephone plan is $39.99
zhenek [66]

Step-by-step explanation:

tienes que multiplicar y sumar algunos números espero te ajuide

7 0
3 years ago
Mariela bought gas for her car. Gas costs $2.12 per gallon, and
Montano1993 [528]

Answer:

$49.82

Step-by-step explanation:

Since each gallon is $2.12 you would just do $2.12 times 23.5 which equals $49.82. So Mariela spent $49.82 on gas

5 0
3 years ago
Read 2 more answers
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