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scoundrel [369]
3 years ago
6

When we talk about solving a system of equations what we're looking for is the combination of x and y

Mathematics
1 answer:
MatroZZZ [7]3 years ago
7 0

Answer:

Fun fact

An apple, potato, and onion all taste the same if you eat them with your nose plugged

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A classroom has an area of and + 15x - 21 and a length of 2x + 7. What is the width of the classroom
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A bike rental company charges a fee per hour. The charge, in dollars, is the same each hour. The ordered pairs (3, 13.50) and (5
olchik [2.2K]

If the function is y = 4.5x. Then the rate of change of the function expressed as a unit rate will be 4.5.

<h3>What is the linear system?</h3>

A linear system is one in which the parameter in the equation has a degree of one. It might have one, two, or even more variables.

A bike rental company charges a fee per hour.

The charge, in dollars, is the same each hour.

The ordered pairs (3, 13.50) and (5, 22.50) represent the corresponding hours, x, and cost, y.

Then the linear equation is given as

\begin{aligned} \rm  y - 22.5 &= \rm \dfrac{22.5 - 13.5}{5 - 3} (x-  5)\\\\\rm y - 22.5 &= \rm 4.5x - 22.5\\\\\rm y &= \rm 4.5x \end

Then the rate of change of the function expressed as a unit rate will be

\rm \dfrac{dy}{dx}  = \dfrac{d}{dx} (4.5x )\\\\\dfrac{dy}{dx}  = 4.5

More about the linear system link is given below.

brainly.com/question/20379472

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7 0
2 years ago
How many real roots does the function f(x)=x^2+8x-2
galina1969 [7]
First find the determinant, Δ = b^2 - 4ac 
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<span>Δ = 8^2 - 4*1*-2 </span>
<span>Δ = 64 + 8 </span>
<span>Δ = 72 > 0 </span>
<span>therefore there are two real roots!</span>
3 0
3 years ago
Read 2 more answers
A number z is greater than 3 and is less than or equal to 8
o-na [289]

Answer:

z > 3

z <_8

.......................

3 0
3 years ago
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