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3 years ago

Is -3.25 irrational or rational ??

Mathematics

2 answers:

Ann [662]3 years ago

7 0

Answer:

yes it is rational number.

Step-by-step explanation:

lorasvet [3.4K]3 years ago

6 0

Answer - rational

Explaination- rational numbers can be decimals and this number is not on going.

Hope this helped :)

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What is the solution of the system?

Kryger [21]

Greetings!

Solve the System, using Elimination:
$\left \{ {{4x+2y=18} \atop {2x+3y=15}} \right.$

Multiply Equation #2 by 2:
$\left \{ {{4x+2y=18} \atop {2(2x+3y)=2(15)}} \right.$

$\left \{ {{4x+2y=18} \atop {4x+6y=30}} \right.$

Eliminate variable x:
$-\frac{ \left \{ {{4x+2y=18} \atop {4x+6y=30}} \right.}{0x-4y=-12}$

$4y=-12$

Divide both sides by 4:
$\frac{4y}{4}= \frac{12}{4}$

$y=3$

Input this value into one of the Equations:
$4x+2y=18$

$4x+2(3)=18$

Simplify:
$4x+6=18$

$(4x+6)+(-6)=(18)+(-6)$

$4x=12$

Divide both sides by 4.
$\frac{4x}{4}= \frac{12}{4}$

$x=3$

The Solution to this System (The Point of Intersection):
$\boxed{(3,3)}$

I hope this helped!
-Benjamin

7 0

3 years ago

How would this question be solved?

harina [27]

Answer:

it would be solved by it mom

8 0

3 years ago

Jamal and Joey scored a total of 65 points in a basketball game. Jamal scored 36

patriot [66]

Answer:

29 points

Step-by-step explanation:

Jamal+Joey=65

We know Jamal has 36 points so...

36+Joey=65

subtract 36 from both sides

36-36+Joey=65-36

Joey=29

7 0

3 years ago

What is the equation of this graph? <br><br>a) y=-1 <br>b) x=-2<br>

Ivan

Answer:

a) y=-1

Step-by-step explanation:

Graph is intersecting y-axis at (0,-1)

So equation of the graph is y = - 1

4 0

3 years ago

757.923 expanded form

tamaranim1 [39]

The expanded form is adding all the digits so the answer is
700+50+7+0.9+0.02+0.003

6 0

4 years ago