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Ede4ka [16]
3 years ago
9

Let y represent the total cost of publishing a book (in dollars). Let x represent the number of the copies of the book printed.

suppose that x and y are related by the equation 15x+1100=y
a) What is the change in total cost for each book printed?

b) What is the cost to get started (Before any books are printed)?
Mathematics
1 answer:
Oduvanchick [21]3 years ago
6 0
Im sorry idk this answer

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Which is a quadratic function?
ryzh [129]

Answer: f(x)=5x^2-4x+5

Step-by-step explanation:

A quadratic function is as following; ax^2+bx+c

Notice that it cannot be f(x)=0x^2-4x+7 because if you solve; 0x^2=0 which eliminates the x^2.

5 0
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A holiday costs £1200. Work out the price after a 7% discount.
vfiekz [6]

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1116

Step-by-step explanation:

0.93(1200)

1116

8 0
3 years ago
Solve the following equation for x. x = -2 x = 2 x = -17 x = -7 (x - 5)/2 = -6
nordsb [41]

Step-by-step explanation:

x= -2,

(x - 5) / 2= -6

( (-2) - 5) / 2= -6

(-7) / 2 = -6

-3.5 = - 6

right hand side not equal to left hand side of this equation.so,x= -2 cannot exist for this equation.

x=2,

(x - 5) / 2= -6

(2 - 5) / 2= -6

(-3) / 2= -6

-1.5 = - 6

right hand side not equal to left hand side of this equation.so,x= 2 cannot exist for this equation.

x= -17

(x - 5) / 2= -6

( ( -17) - 5) / 2= -6

(- 22) / 2= -6

-11 = -6

right hand side not equal to left hand side of this equation.so,x= -17 cannot exist for this equation.

x= -7,

(x - 5) / 2= -6

( ( -7) -5) / 2= -6

(-12) / 2= -6

-6= -6

right hand side equal to left hand side of this equation.so,x= -7 exist for this equation.

8 0
3 years ago
1. Which addition fact can
Andrews [41]

Answer:

The Answer is B 8+ 6=14

Step-by-step explanation:

14-8=6

8+6=14

14-6=8

5 0
1 year ago
Tyra está colocando piezas de alfombra cuadrada de dowia en su estudio y fotografía. Cada pieza de alfombra cuadrada es de 1 yar
Nitella [24]

Answer: 28 creo


Step-by-step explanation:

Cuando usted está tratando de encontrar el perímetro de un cuadrado o una forma diferente, se multiplica. 7 x 4 = 28 o 4 x 7 = 28

Espero que esto ayude.




4 0
3 years ago
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