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igor_vitrenko [27]
3 years ago
6

Three times Jamie's age plus 3 is Maria's age. Maria is 48. What is Jamie's age?

Mathematics
2 answers:
olchik [2.2K]3 years ago
6 0

Answer: 15 because 15 times 3 is 45 and then add 3 and its 48

wolverine [178]3 years ago
4 0

Answer:54

Step-by-step explanation:

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en un maratòn participan corredores de todos los continentes 5/6 de los corredores son europeos se sabe que los americanos son l
Marysya12 [62]

Usando proporciones, se encuentra que 400 africanos han participado.

En total, hay x participantes.

\frac{5}{6} de los corredores son europeos, o sea:

E = \frac{5x}{6}

Los americanos son la dècime parte de los europeos, o sea:

Am = \frac{1}{10}E = \frac{5x}{60} = \frac{x}{12}

Los africanos son la quinta parte de los americanos, o sea:

Afr = \frac{1}{5}Am = \frac{x}{60}

En la carrera han inscritos 24 000 participantes, o sea, x = 24000. Por eso, la cantidad de africanos es:

Afr = \frac{x}{60} = \frac{24000}{60} = 400

Para obtener más información sobre las proporciones, puedes visitar a brainly.com/question/24615636

8 0
2 years ago
Which expression has a value of 17?
Ivahew [28]
The second choice is the answer
5 0
3 years ago
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Write an equation in point-slope form of the line that passes through the point (−3,6) and has a slope of 5.
strojnjashka [21]

Answer:

Below in bold.

Step-by-step explanation:

Point slope form is y - y1 = m(x - x1)

where m = the slope of the line and (x1, y1) is a point on the line.

Here m = 5, x1 = -3 and y1 = 6.

So we have:

y - 6 = 5( x - (-3))

y - 6 = 5(x + 3)   (Answer)

3 0
2 years ago
Estou viajando de São Paulo a Porto Alegre, cujo percurso total tem 1600 km, aproximadamente. Se já percorri 80% do percurso, qu
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Step-by-step explanation:

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240 is the missing term in the pair of equivalent ratio
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