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Neko [114]
3 years ago
13

A sold consiss of a hemisphere anda cone which share a common base.The cone has a base radius of 21cm and height of 28 cm and a

salnt height of 35cm
find
total volume and surface area
Mathematics
1 answer:
kotegsom [21]3 years ago
7 0

Answer:

Volume

12,930.795

Surface area

3,694.513

Step-by-step explanation: For more information on this question research the formulas so you can figure this out yourself.

Have a Ni(e Day (nice)

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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
What is the completely factored form of this polynomial?<br> – 8x²+<br> + 16
Zanzabum

Answer:

-8(x²-2)

Step-by-step explanation:

Factor -8 out of -8x²

-8(x²)+16

Factor -8 out of 16.

-8(x²)-8(-2)

Factor -8 out of -8(x²)-8(-2).

7 0
2 years ago
Write a rule for the linear function on the table
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It's A

11-5=6
5-2=3

6/3=2
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3 years ago
At a jewelry store, the price p of a gold necklace varies directly with its length l. Also, the weight w of a necklace varies di
slega [8]

Since p varies directly with l,

p = kl     (1)

Also, since w varies directly with l,

w = ml  

or, l = w/m

Substitute in (1), we get,

p = k (w/m)

= (k/m) w

So, the price varies directly with weight.

4 0
3 years ago
4) If Scott Corbett invests $5,000 at 6% compounded quarterly, how long will it be before
serious [3.7K]
His investment will reach 14,100 after 47 quarters or 11 years and 9 months
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3 years ago
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