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sveta [45]
2 years ago
13

W+15x-9y+2z Terms: Coefficients:

Mathematics
2 answers:
Archy [21]2 years ago
8 0

\quad \huge \quad \quad \boxed{ \tt \:Answer }

  • \sf{W \rightarrow coefficient = 1}

  • \sf{15x \rightarrow coefficient = 15}

  • \sf{-9y\rightarrow coefficient = -9}

  • \sf{2z\rightarrow coefficient = 2}

____________________________________

\large \tt Solution  \: :

Term refers to each variable or constant separated by a mathematical operator.

Coefficient refers to the numberic part of variable or a constant number present in an expression.

\qquad \tt \rightarrow \: 12a - 10b + 6

\large\textsf{Terms :}

  • \texttt{W }

\texttt{coefficient = 1}

  • \texttt{15x}

\texttt{coefficient = 15}

  • \texttt{-9y}

\texttt{coefficient = -9}

  • \texttt{ 2z}

\texttt{coefficient= 2}

Answered by : ❝ AǫᴜᴀWɪᴢ ❞

Bas_tet [7]2 years ago
6 0

In the problem given:

W + 15x - 9y + 2z

The term are single mathematical expressions that separate values.

In the expression, there is a + and -; these concludes 2 terms.

There are 3 coefficients next to each variable.

The coefficients are 15x, -9y, and 2z.

That means there are 3 coefficients.

Cheers

- ROR

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3 years ago
A store pays a manufacturer $20 for a hat. To make a profit, the store prices the hat 60% higher than the amount they paid. Late
Molodets [167]

Answer:

The clearance price is $17.28.

The clearance price will not give the store any profit.

Step-by-step explanation:

We have been given that a store pays a manufacturer $20 for a hat. To make a profit, the store prices the hat 60% higher than the amount they paid.

The price of the hat after increasing the price by 60% will be:

\text{Price of the hat after an increase of 60\%}=20+(\frac{60}{100}*20)

\text{Price of the hat after an increase of 60\%}=20+(0.60*20)

\text{Price of the hat after an increase of 60\%}=20+12

\text{Price of the hat after an increase of 60\%}=32

So, the price of hat after the increase of 60% will be $32.

As the sale reduces the price of hat by 10%, so the price of hat after sale will be:

\text{Price of the hat after sale of 10\%}=32-(\frac{10}{100}*32)

\text{Price of the hat after sale of 10\%}=32-(0.10*32)

\text{Price of the hat after sale of 10\%}=32-3.2

\text{Price of the hat after sale of 10\%}=28.8

So the price of hat after 10% sale will be $28.8.

As the clearance sale reduces the price by 40%, so price of hat after clearance sale will be 28.8 minus 40% of 28.8.

\text{Price of the hat after clearance sale}=28.8-(\frac{40}{100}*28.8)

\text{Price of the hat after clearance sale}=28.8-(0.40*28.8)

\text{Price of the hat after clearance sale}=28.8-11.52

\text{Price of the hat after clearance sale}=17.28

Therefore, the clearance price is $17.28.

As store has purchased the hat from manufacturer for $20 and sold it $17.28, therefore, the store will not have a profit.

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Whats's the difference between -6 and 6 on the number line?
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13

Step-by-step explanation:

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3 years ago
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Please help with math problem
e-lub [12.9K]

Answer:

a_0 = -8

a_1=-6

x^2 +y^2 -8x - 6y = 0

Step-by-step explanation:

The equation of the circle has the following form

x^2 + y^2 + a_0x + a_1y=0

The equation of the circle has the following form

We know that the circle goes through the following points

(1, 7)

(8, 6)

(7, -1).

Then we substitute the values of x and y in the equation

<u>For (1, 7)</u>

(1)^2 + (7)^2 + a_0(1) + a_1(7)=0

1 + 49 + a_0 + 7a_1=0

a_0 + 7a_1=-50    (1)

<u>For  (8, 6)</u>

(8)^2 + (6)^2 + a_0(8) + a_1(6)=0

64 + 36 + 8a_0 + 6a_1=0

8a_0 + 6a_1= -100    (2)

With these equations is enough to solve the system

a_0 + 7a_1=-50    (1)

8a_0 + 6a_1= -100    (2)

Multiply the equation (1) by -8 and add it to the equation (2)

-8a_0 - 56a_1=400    (1)

8a_0 + 6a_1= -100    (2)

-----------------------------------------------------

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Then

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Finally the equation is:

x^2 +y^2 -8x - 6y = 0

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