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lozanna [386]
3 years ago
9

Num cinema, há 12 fileiras com 16 poltronas e 15 fileiras com 18 poltronas. O número total de poltronas é

Mathematics
1 answer:
Dvinal [7]3 years ago
8 0

Responder:

462 assentos

Explicação passo a passo:

Dado que :

Número da linha = 12; Número de assentos por fila = 16

Número de linhas = 15; número de assentos por fila = 18

Número total de assentos para as 12 filas:

12 * 16 = 192 assentos

Número total de assentos para as 18 filas:

15 * 18 = 270 assentos

Número total de assentos:

(192 + 270) = 462 assentos

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I'm not sure how to do this! 50 points?
Rus_ich [418]

Answer:

MOP=33

Step-by-step explanation:

MOP + MON = NOP

Substitute what we know

MOP = 3x-3

MON = 4x+9  

NOP = 90   right angle

3x-3+4x+9 = 90

Combine like terms

7x+6 =90

Subtract 6 from each side

7x+6-6=90-6

7x = 84

Divide each side by 7

7x/7 = 84/7

x =12

We need to find MOP

MOP = 3x-3

        =3(12)-3

         36-3

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6 0
3 years ago
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lawyer [7]

Answer:

Step-by-step explanation:

Volume of a pyramid = \frac{1}{3}(\text{Area of the rectangular base})(\text{Height})

Area of the rectangular base = Length × Width

                                                = 8 × 6

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Volume of the pyramid = 192 mm³

192 = \frac{1}{3}(48)h

h = \frac{192}{16}

h = 12 mm

Therefore, all the pyramids having height less than 12 mm will be fitted inside the given pyramid.

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                    13                              No

                     8                             Yes

3 0
3 years ago
Frank started the summer with $60 in his account. He
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Answer:

The answer should be 12

Step-by-step explanation

he has 60 in his account already so add 35 and 15 (60+35+15=110) then add 48+24+50 which equals 122. Now subtract 110-122 and you'll get 12. so the answer is 12.

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3 years ago
How many ink cartridges can you buy with 144 dollars if one cartridge costs 12 dollars ? Part A: Write the equation
Karolina [17]

Answer:

12x=144

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4 years ago
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Please help me with this question
ikadub [295]

Answer:

(A.

Explanation:

In A, line AD straight into BC, thus creating two 90 degree angles. This means that they are perpendicular.

(: Hope this helps

8 0
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