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NikAS [45]
3 years ago
14

If it takes a postal service person to deliver 18 pieces of mail in 15 minutes how many pieces of mail can he deliver in 1 hour

Mathematics
2 answers:
GaryK [48]3 years ago
6 0
60(one hour) divided by 15 is 4. 4 tines 18 is 112. A postal service person can deliver 112 pieces in 1 hour. Hope this helps!
exis [7]3 years ago
3 0
This Problem has to be solved using Unitary Method.

Number of letters postman can deliver in 15 minutes= 18 letters

Number of letters postman can deliver in 1 minute=18/15

Number of letters postman can deliver in 1 hour= 18/15*60
= 72 Letters
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Após recuperar-se de uma cirurgia, o treinador da corredora Andrea estipulou um plano de treinamento diário: correr 500 metros n
user100 [1]

Explicación paso a paso:

La distancia recorrida el primer día = 500 m

Si aumenta la distancia en 200 m diariamente, entonces el total corrido diariamente formará una progresión aritmética con el último término de 10 km (10,000) como se muestra;

500, (500 + 200), (500 + 200 + 200) ... 10,000

500, 700, 900 ... 10,000

para que sepamos el número total de días usados ​​para la carrera, usaremos la fórmula para calcular el enésimo término de una secuencia aritmética como se muestra;

T_n = a+(n-1)d where;

n es el número de términos

a es el primer término de la secuencia

d es la diferencia común

Dado a partir de la secuencia:

a = 500

Tn = 10,000

d = 700-500 = 900-700 = 200

Sustituir en la fórmula y calcular el valor de n

10,000 = 500+(n-1)*200\\10,000 = 500+(200n-200)\\10,000 = 500-200+200n\\200n = 10,000-300\\200n = 9,700\\n = 9,700/200\\n = 48.5

Andrea habría alcanzado los 10.000km tras 48,5 días de carrera

8 0
3 years ago
Can some one help me with 1,3,and 5
FrozenT [24]

1. 2/100 or 1/50, as 0.02 is equal to 2 hundreths. Simplifying gets you 1/50

3. 1/2 or 50/100, as 0.50 is equal to 0.5 which is equal to 50 hundreths. Simplify to get 1/2

5. 88/100 or 44/50 , as 0.88 is equal to 88 hundreths. After simplifying, you get 44/50

Depending on your teacher, you may be told to not simplify. It depends

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3 years ago
On each weekly spelling test, the students in Mrs. Ruiz's class record how they do in comparison to the week before.
Bas_tet [7]

Answer:

<em>Student C </em>

Step-by-step explanation:

<em>* Student C *</em>

If we were to take a look at the problem we would see that the greatest difference would be the greatest difference from 0, either positive of negative;

Student A: 1 from 0,

Student B: 0 from 0,

Student C: 3 from 0,

Student D: 2 from 0

<em>As we see from the results, Student C has the greatest difference from before</em>

3 0
3 years ago
. b. Graph the ordered pairs (time, distance) on the coordinate plane at the right. Connect the points with a solid line. Distan
lions [1.4K]

Answer:

thank you so much for 50 points

Step-by-step explanation:

4 0
3 years ago
I need help asap!! Which of these symbols means parallel? == || ~ ~ ++
Illusion [34]

ll mean parallel.  I hope this helps

3 0
4 years ago
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