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rosijanka [135]
3 years ago
13

5a - 3 + 2a + 2a + 3

Mathematics
2 answers:
Aleksandr [31]3 years ago
4 0
Answer- 9a

explanation- 5+2+2 = 9 and you add the a’s and -3+3 = 0 so you leave it out
Free_Kalibri [48]3 years ago
3 0

Answer:

a

Step-by-step explanation:

5a - 3 + 2a +2a + 3

5a + 4a - 3 + 3

9a

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Which region represents the solution to the given system of inequalities?
Phoenix [80]

Answer: The intersection region shown in the graph attached is the solution of the system of inequalities.

Step-by-step explanation:

The equation of the line in Slope-Intercept form is:

y=mx+b

Where "m" is the slope and "b" is the y-intercept.

 Given the following system of inequalities:

\left \{ {{x+3y\leq-3 } \atop {x\geq3 }} \right.

We need to graph the lines.

We have the line:

x+3y=-3

Solving for "y", we get:

3y=-x-3\\\\y=\frac{1}{3}x-1

Knowing that m=-\frac{1}{3} and b=-1, we can graph it.

Since the symbol is \leq, the line must be solid.

The other line is:

x=3

Since "x" only takes one value, we can identify that it is a vertical line, so we can graph it.

Since the symbol is \geq, the line must be solid.

We need to substitute a point that is not on the line, into each inequalities. Let's choose the point (0,0).

Then:

0+3(0)\leq-3\\\\0\leq-3

This is false, therefore, we must shade the half that does not contain this point.

0\geq 3

This is false, so we must shade the half that does not contain this point.

The intersection region of the solutions (Observe the graph attached) of the given inequalities is the solution of the system of inequalities.

8 0
3 years ago
Read 2 more answers
-2x+6y=6 -7x+8y=-5 by substitution
Goryan [66]

Answer:

69

Step-by-step explanation:

6 0
3 years ago
How to find common difference of arithmetic sequence given first and last term?
scoundrel [369]
Yeah there is a way... Lemme give a typical question...
Find the common difference of an arithmetic progression whose first term Is 1 and last term is 1023...

First term = T¹ =a
Last term = Tn = a + (n-1)d

Since your given the values of the first and the last term... You can substitute

Tn = 1 + (1023-1)d

1023 = 1 + 1022d

1022d = 1023 - 1

1022d = 1022

common difference = 1...

So there is a way....

You can get the common difference using the two terms given...

Hope this helped...

8 0
3 years ago
Which relationship between x and y in the equation shows a proportional relationship?
Ivan
A proportional relationship contains NO addition, NO subtraction.  By these criteria, onlyl y = 12x is a proportional rel.
7 0
3 years ago
Rewrite the following without an exponent.
Mama L [17]

Answer:

5/6

Step-by-step explanation:

You just need to turn the denominator and numerator's positions upside down.

4 0
3 years ago
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