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Anna [14]
3 years ago
5

Identify the terms, coefficients, and constants in the expression. 8x+7y^2

Mathematics
1 answer:
alexandr1967 [171]3 years ago
5 0

Answer:

8x+7y^2

Step-by-step explanation:

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the perimeter of the rectangle is 86 inches. if the length is 3 inches longer that the width, find the width of a rectangle.
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The length is 23in and the width is 20 inches
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3 years ago
What is x 3x-11+9=10
Archy [21]

Answer: x = 4

Step-by-step explanation:

3x - 11 + 9 = 10

Add 11 to each side

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Subtract 9 from each side

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2 years ago
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Ak = v+w solve for a
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Answer:

a = \frac{v+w}{k}

Step-by-step explanation:

Given

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5 0
3 years ago
Observa los puntajes de las respuestas de una evaluación que tuvo de 100 preguntas. Si Alfredo contestó correctamente 57 pregunt
n200080 [17]

La pregunta está incompleta:

Observa los puntajes de las respuestas de una evaluación que tuvo de 100 preguntas. Si Alfredo contestó correctamente 57 preguntas, 16 incorrectas y el resto las dejó en blanco, ¿qué puntuación obtuvo en la evaluación?

Puntos por respuesta:

Correctas: 4

En blanco: -1

Incorrectas: -3

Answer:

Alfredo obtuvo una puntuación de 153.

Step-by-step explanation:

De acuerdo a la información proporcionada, conoces el número de preguntas en la evaluación y el número de preguntas que Alfredo contestó de forma correcta e incorrecta y tienes que restar estas del total de preguntas para encontrar el número de preguntas que dejó en blanco:

100-57-16=27

Ahora, debes multiplicar el número de respuestas correctas, incorrectas y en blanco por su respectivo puntaje:

Correctas: 57*4=228

En blanco: 27*(-1)=-27

Incorrectas: 16*(-3)=-48

Finalmente, debes sumar los resultados obtenidos por cada tipo de respuesta:

228+(-27)+(-48)= 228-27-48=153

De acuerdo a esto, la respuesta es que Alfredo obtuvo una puntuación de 153.

4 0
2 years ago
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