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3 years ago

The bookstore sells 6 books for $13.50 How much will it cost to purchase 2 books?

Mathematics

2 answers:

Neporo4naja [7]3 years ago

5 0

It would cost $4.50 to purchase 2 books.

REY [17]3 years ago

5 0

If the cost for 6 books is $13.50 then to get the price of just one book you must divide 13.50 by 6.

The answer should be $2.25 per book purchased.

To find the price of two books you can multiply 2.25 by 2 <u>OR</u> you can add 2.25 and 2.25 together.

The answer should be $4.50 for two books.

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2 years ago

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What is the result of subtracting the second equation from the first? \begin{aligned} -7x-y &= 0 \\\\ 7x+8y &= -6 \end{a

Kitty [74]

Answer:

$-14x-9y=6$

Step-by-step explanation:

We are given with two equations

first equation is $-7x-y=0$

second equation is

$7x+8y=-6$

we find the result of subtracting two equation

subtract the second equation from the first, so

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3 years ago

2. 2(x+1.25) = 3.5

dangina [55]

Answer:

x = 0.5

Step-by-step explanation:

Given

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x + 1.25 = 1.75 ( subtract 1.25 from both sides )

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3 years ago

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MODELING WITH MATHEMATICS A farmer plants a garden that contains corn and pumpkins. The total area (in square

laiz [17]

Answer:

The equation in standard form that models area of pumpkins is:

$A_p = A_G - A_c$

and the area is: $x^2+8x+2$

Step-by-step explanation:

Given that the garden has corn and pumpkins

The expressions are:

Total area of garden: $A_G = 2x^2+5x+4$

Area of Corn: $A_c = x^2-3x+2$

Area of Pumpkins: $A_p = ?$

The sum of areas of corn and pumpkins is the total area of the garden.

It can be expressed mathematically as:

$A_G = A_c+A_p$

If we have to find the area of pumpkins,

$A_p = A_G - A_c$

Putting the values

$A_p = (2x^2+5x+4) - (x^2-3x+2)\\A_p = 2x^2+5x+4-x^2+3x-2\\A_p = 2x^2-x^2+5x+3x+4-2\\A_p = x^2+8x+2$

The equation in standard form that models area of pumpkins is:

$A_p = A_G - A_c$

and the area is: $x^2+8x+2$

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2 years ago