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hoa [83]
3 years ago
9

PLEASE HELP IF YOU KNOW ALGEBRA AND SPANISH

Mathematics
1 answer:
Lisa [10]3 years ago
6 0

I don't know Spanish but I'm reasonably sure I know what the questions are asking. Please correct me if I'm wrong.

a. f(2) = -2^2+4(2)-10 = -4+8-10 = -6.

b. g(6) = 5(6)+1 = 30+1 = 31.

c. f(-1) = -(-1)^2+4(-1)-10 = -1-4-10 = -15.

d. This is saying to solve g(x)=16:

  • 5x+1=16
  • Subtract 1 from each side: 5x=15
  • Divide both sides by 5: x=3.

The answer is x=3.

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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

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2 years ago
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Step-by-step explanation:

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Find the surface area of the figure below:<br> ???
Ulleksa [173]

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85 ft^2

Step-by-step explanation:

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Answer: You can watch 14 vines.

Step-by-step explanation: 1 2/5 is equal to 1 4/10

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