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Elenna [48]
3 years ago
13

HALP me please, mathematics

Mathematics
1 answer:
malfutka [58]3 years ago
3 0
X=7 (let me know if you would like to know how I got the answer)
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What are the roots of the polynomial equation x2 + x- 72 =0
Alex17521 [72]
First, you can factor them into (x-8)(x+9)=0 then set x-8=0 and x+9=0, in which you get X = 8 or X = -9
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Melton made 1 1/4 pounds of peanuts, 14 ounces of raisins, 12 ounces of walnuts, and 10 ounces of chocolate chips. If Milan divi
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Natalie and Maria left the school at 3:05 pm.They walked for 14 minutes before arriving at Maria's house. What time did they arr
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4 0
2 years ago
Read 2 more answers
Un alumno multiplica un número por 32 en lugar de multiplicarlo por 23, obteniendo un producto mayor en 54 al producto original.
romanna [79]

Answer:

La suma de cifras del producto original es igual a 12.

Step-by-step explanation:

De acuerdo a la información proporcionada, si multiplicas un número "x" por 32 su resultado sería igual al producto original "y" más 54 dado que dice que se obtiene un producto mayor en 54 al producto original, lo que se puede expresar de la siguiente forma:

32x=y+54

Además, se puede inferir a partir del enunciado que si el número x se hubiera multiplicado por 23 el resultado habría sido el producto original que lo denominamos como "y", por lo que puedes decir que:

y=23x

Ahora puedes reemplazar y=23x en 32x=y+54 y despejar x:

32x=23x+54

32x-23x=54

9x=54

x=54/9

x=6

Finalmente, puedes reemplazar el valor de x en y=23x:

y=23x

y=23*6

y=138

Suma de cifras: 1+3+8 = 12

De acuerdo a esto, la respuesta es que la suma de cifras es igual a 12.

5 0
3 years ago
What’s the area and perimeter
Yuki888 [10]

Answer:

The Perimeter is 4.5in and the Area is 1.125in²

Step-by-step explanation:

Perimeter is gotten by adding up the length/height of every side of the polygon (1.5in + 1.5in + 0.75in + 0.75in), while the Area of a rectangle is gotten by multiplying the height and length. (1.5in × 0.75in)

7 0
3 years ago
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