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fgiga [73]
3 years ago
13

La Sra.Elena y el Sr.Eulalio,abortan taxis diferentes de la misma empresa el costo del servicio es un importe fijo de salida (ba

nderazo) mas otra cantidad por los kilometros recorridos.Si la SraElena paga $190 por recorrer 8 km y el Sr Eulalio paga $130 por correr 5 km calcular el costo de banderazo y el costo por kilometro recorrido
Mathematics
1 answer:
atroni [7]3 years ago
8 0

Answer:

$ 30

$ 20

Step-by-step explanation:

Sea el costo fijo xy el costo por km sea y suponiendo que es el mismo para ambos taxis.

De la pregunta obtenemos las dos ecuaciones

x+8y=190\quad ...(i)

x+5y=130\quad ...(ii)

Aplicando (i)-(ii)

8y-5y=190-130\\\Rightarrow 3y=60\\\Rightarrow y=\dfrac{60}{3}\\\Rightarrow y=20

Sustituyendo en (ii)

x+5y=130\\\Rightarrow x+5\times 20=130\\\Rightarrow x=130-100\\\Rightarrow x=30

Entonces, el costo fijo es de $ 30 y el costo por km es de $ 20.

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Please answer this question now
shtirl [24]

Answer:

76 degrees.

Step-by-step explanation:

Let as consider O is the center of the circle . So from the figure it is clear that

\angle AOB=44^{\circ}

\angle COD=118^{\circ}

By central angle theorem, central angle subtended by an arc is twice of inscribed angle of the same arc.

We know that, \angle BAD=97^{\circ} and angle BOD is the central angle subtended by arc BD.

\angle BOD=2\times \angle BAD

\angle BOD=2\times 97^{\circ}

\angle BOD=194^{\circ}

Now,

\angle BOD=\angle BOC+\angle COD

194^{\circ}=\angle BOC+118^{\circ}

194^{\circ}-118^{\circ}=\angle BOC

76^{\circ}=\angle BOC

m(arc(BC))=76^{\circ}

Therefore, the measure of arc BC is 76 degrees.

5 0
3 years ago
Question 10<br> Evaluate 122 – 3 [4 () – (18)].
tatuchka [14]

Answer:

here is the answer -(12)/(-3)

Step-by-step explanation:

PLEASE MARK BRAINILIEST!

4 0
3 years ago
PLEASE HELP MEH!
goblinko [34]

Answer: x=72, y=26


Step-by-step explanation:

Since a line is 180°, we can do:

2x+10+y=180

2x+y=170

Since a triangle is 180° also, we can do:

x+y+82=180

x+y=98

If we subtract x+y=98 from 2x+y=170, we get:

2x+y=170

x+y=98

x=72

If we insert x=72 into x+y=98, we get:

72+y=98

y=26

We can check our answer by inserting x=72 and y=26 into x+y+82=180

72+26+82=180

98+82=180

180=180

7 0
3 years ago
Ian invested$1500 dollars in the bank. After 2 years he withdrew all his money. He received $1590. What interest rate was he get
dybincka [34]

Answer:

either 45$ a year or divide it to days/months

Step-by-step explanation:

6 0
3 years ago
Plz help i only need this question who ever get its right will get 77 point
Ivanshal [37]

Answer:

I don't know..............

8 0
3 years ago
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