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koban [17]
3 years ago
6

Writing and graphing linear equations

Mathematics
1 answer:
Leni [432]3 years ago
3 0

Answer:

whats the question?

Step-by-step explanation:

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Is (-3.4) a rational number? And why is (-3.4) a rational number?
KIM [24]

Answer:

Yes

Step-by-step explanation:

a rational number is a number that can be written as a fraction. Rational numbers are all real numbers, and can be positive or negative. A number that is not rational is called irrational. Most of the numbers that people use in everyday life are rational. These include fractions and integers.

- 3.4 is a integer and also a rational number.

4 0
3 years ago
Does anyone know how to work this.
Shtirlitz [24]
I think it's C.

Let me know!
3 0
3 years ago
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Find the inequality represented by the graph.
DaniilM [7]

From the graph,

y =  \frac{1}{2}x  + 2

But this one is inequality so you gotta remember this:

When y > x/2+2

- The shade/region is above the graph itself.

When y < x/2+2

- The shade/region is below the graph.

Therefore, the inequality as shown in the picture is

y >  \frac{1}{2} x + 2

6 0
3 years ago
19. Use Gauss-Jordan elimination to solve the following system of equations. 3x + 5y = 7 6x − y = −8
MrRa [10]

\left[\begin{array}{cc}3&5\\6&-1\end{array}\right] \left[\begin{array}{c}x\\y\end{array}\right] = \left[\begin{array}{c}7\\-8\end{array}\right]\\\left[\begin{array}{cc|c}3&5 &7\\ 6& -1 & -8\end{array}\right] \rightarrow \left[\begin{array}{cc|c}3&5& 7\\0&-11 & -22\end{array}\right] \rightarrow \left[\begin{array}{cc|c}3&5& 7\\0&1 & 2\end{array}\right]\\3x +5y = 7\\\\y = 2\\\therefore x = -1

6 0
3 years ago
The double number line shows that 5 kilograms of avocados cost $9 dollar
svlad2 [7]

Answer:

1.8.

Step-by-step explanation:

9 divided by 5 is 1.8.

6 0
3 years ago
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