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Aloiza [94]
2 years ago
9

Please please help me I don't understand

Mathematics
1 answer:
Alona [7]2 years ago
4 0

Answer:

4th option - over the interval (4,7) the local minimum is -7

Step-by-step explanation:

There's only one local minimum in this graph and it's the one between (4,7), so this is the only plausible answer.

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Natasha_Volkova [10]

Answer:

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3 0
2 years ago
Will someone help me work through this problem, please
Ainat [17]

Step-by-step explanation:

Radius (r) = 2 ft

V = 4/3 × 22/7 × (2)³

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= 33.52 ft³

6 0
2 years ago
Factor. 4x2−49y2 Enter your answer in the box.
Makovka662 [10]
4x² - 49y² = (2x)² - (7y)² = (2x - 7)(2x + 7)
4 0
3 years ago
Read 2 more answers
En un examen de admisión de 120 preguntas, cada respuesta correcta vale 2 puntos y por cada incorrecta se quita medio punto. Un
padilas [110]

Answer:

Respondió mal 64 preguntas.

Step-by-step explanation:

De acuerdo a la información proporcionada puedes plantear las siguientes ecuaciones:

x+y=120 (1)

2x-0,5y=80 (2)

x es el número de preguntas correctas

y es el numero de preguntas incorrectas

Primero debes despejar "x" en (1):

x=120-y (3)

Después, debes reemplazar (3) en (2):

2(120-y)-0,5y=80

240-2y-0,5y=80

240-80=2,5y

160=2,5y

y=160/2,5

y=64

Ahora puedes reemplazar el valor de "y" en (3) para encontrar el valor de "x":

x=120-y

x=120-64

x=56

De acuerdo a esto, la respuesta es que el postulante respondió mal 64 preguntas.

6 0
2 years ago
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oksian1 [2.3K]

Answer:

Step-by-step explanation:

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