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patriot [66]
2 years ago
8

How mathematics is involved in Merchandising?

Mathematics
1 answer:
Nookie1986 [14]2 years ago
6 0

Answer:

You have to have the number of items you payed for and know what numbers your calculating at checkout

Step-by-step explanation:

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Change -2-3 into addition problem<br><img src="https://tex.z-dn.net/?f=%28%20-%202%20-%203%20%3D%20" id="TexFormula1" title="( -
SashulF [63]

Answer:   - (2 + 3) = -5

<u>Step-by-step explanation:</u>

When combining numbers that have the same sign, you add them and then include the sign.

For example:

-2 - 3 = -(2 + 3) = -5

-6 - 5 = -(6 + 5) = -11

-7 - 8 = -(7 + 8) = -15

8 0
3 years ago
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John is going on a trip and the country he is traveling to uses the Celsius scale. He is curious about converting Celsius temper
Setler79 [48]

Answer:

f(x)=\dfrac{9}{5}x+32 converts Celsius to Fahrenheit.

g(x)=\dfrac{5(x-32)}{9} converts Fahrenheit to Celsius.

Step-by-step explanation:

Write given data in the table

\begin{array}{cc}x&f(x)\\^{\circ}\text{C}&^{\circ}\text{F}\\20&68\\30&86\end{array}

Let the expression for the function be

f(x)=ax+b

Note, that this equation is linear equation and it is well-known fact that the Celsius to Fahrenheit dependence is linear.

Substitute corresponding values into this expression:

68=20a+b\\ \\86=30a+b

Subtract these two equations:

86-68=30a-20a\\ \\10a=18\\ \\a=\dfrac{9}{5}

Substitute it into the first equation:

68=20\cdot \dfrac{9}{5}+b\Rightarrow b=68-36=32

So,

f(x)=\dfrac{9}{5}x+32

This is the function which converts Celsius to Fahrenheit.

And function

g(x)=\dfrac{5(x-32)}{9} converts Fahrenheit to Celsius.

4 0
2 years ago
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Which equations represent functions? ​
Margaret [11]

Answer:

4x =16

Step-by-step explanation:

Hope this helps :)

3 0
2 years ago
Can someone help me on this plz
Studentka2010 [4]

Answer:

y=4/3x+2.5

Step-by-step explanation:

im not 100% sure if i get it wrong reply

6 0
2 years ago
What is the area of this composite figure?
Zarrin [17]

Answer:

35 ft^2

Step-by-step explanation:

Area of the first rectangle

A = 8 x 2 = 16 ft^2

area of the second rectangle

A = 5 x 2 = 10 ft^2

area of the square

A = 3^2 = 9 ft^2

total area

A = 16 + 10 + 9 = 35 ft^2

5 0
2 years ago
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