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Lubov Fominskaja [6]
3 years ago
13

I need help with this pls! 15 points!

Mathematics
1 answer:
OLga [1]3 years ago
8 0

Answer:

d

Step-by-step explanation:

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12:44

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Complete the square to re-write the quadratic function in vertex form: y = x ^ 2 - 2x - 8
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5. El valor de un producto bancario es de 15€. El lunes sube un 3%, el martes baja un 7% y el miércoles sube un 10%. ¿Con qué va
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Answer:

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Step-by-step explanation:

Consideremos una cantidad x de un producto bancario, al multiplicar x por el factor (1+k%) implica un cambio de k% en el valor x. Si decimos que aumentó el valor de x, entonces k es positivo y si decimos que baja el valor de x, entonces tomamos k negativo.

Para comenzar, tenemos que x = 15. El valor con el que inicia el martes está dado por 15*(1+3%). Para calcular en cuánto comienza el miércoles, multiplicamos este valor por (1-7%). Es decir, 15*(1+3%)*(1-7%).

Finalmente, calculamos el valor inicial al jueves multiplicando por (1+10%).

Es decir,q ue el valor inicial el jueves es

15\cdot (1+3\%)\cdot(1-7\%)\cdot(1+10\%)= 15.80535

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(\frac{15.80535}{15}-1)\cdot 100 = 5.369\%

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3 years ago
Bobby is 28 centimeters shorter than Daniel. Roy is 19 centimeters taller than Daniel. Find the difference in height between Roy
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There is a 47cm difference between the two

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