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svetlana [45]
3 years ago
14

Sammy reads the same number of pages in his book each night. The expression 228 - 12 x shows how many pages he has left to read

on any given night. what does the term 12 x represent?
Mathematics
1 answer:
Lunna [17]3 years ago
4 0
12 x represents the number of pages he reads per night
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Please please help me
MakcuM [25]

Answer:

a)7 cakes=£5.6

b)£2=4 drinks

c)£7.7

Step-by-step explanation:

a)5cakes=£4

1 cake=4/5=£0.8

7 cakes=£5.6

b)1 cake=3/6=£0.5

£2=4 drinks

c)(0.8×4)+(0.5×7)=£7.7

6 0
3 years ago
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What is the domain, range, and is it a function?
jarptica [38.1K]

Answer:

Domain is 8 range is 2

Step-by-step explanation:

And if it passes the vehicle line test it is a function

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Two numbers with a sum of 20 have a greatest common factor of 5. What are the two numbers?
Musya8 [376]

Answer:

5 and 15

Step-by-step explanation:

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Whay is called when there is a difference between what one expects to happen and what actually happens
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Answer:

I do believe it is irony

5 0
3 years ago
Un hotel alquiló 108 habitaciones, dobles e individuales. El costo de habitación doble por noche es $78 y de habitación individu
Triss [41]
I have to assume that you want the answer in Spanish *but without using accents).

Usa las siguientes variables:

d = numero de habitaciones dobles

i = numero de habitaciones individuales

Por la primera premisa:

d + i = 180

Por la segunda premisa, los costos son tales que:

78d + 72i = 7839

Para resolver ese sistema podemos despejar una de las variables de la primera ecucacion y sustituir en la segunda:

i = 180 - d

78d + 72 (180 - d) = 7839

78d + 12960 - 72d = 7839

De aqui ya veo que va a dar un numero negativo para el numero de habitaciones dobles, asi que supongo que algun dato en el enunciado esta equivocado.

6d = 7839 - 12960 = -5121

=> d = -5121 / 6 = - 853.5


Al corregir los datos podras seguir el procedimiento que te he explicado para encontrar la solucion.
8 0
3 years ago
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