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3 years ago

Solve each system of equations by graphing y=2/3x+3 3y=2x+15

Mathematics

1 answer:

dangina [55]3 years ago

7 0

Answer:

There is no solution to that equation.

Step-by-step explanation:

First thing to do is to put the second equation in terms of y. To do so the equation becomes y= 2/3x+5. Comparing those two equation you can see that the slopes are the same and thus means that the system has no solution.

Another way to see this is by graphing both of thee equations is a calculator and seeing there are no points of intersection.

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Which of ghe following is equivalent to (x+4)(3x^2+2x)?

Alexxandr [17]

The given expression is

$(x+4)(3x^2 +2x)$

And in the second factor, x is common. So on taking x out, we will get

$(x+4)(x)(3x+2) = x(x+4)(3x+2)$

We can expand it by distributing , that is

$(x+4)(3x^2 +2x) = x(3x^2 +2x) +4 (3x^2 +2x)$

$= 3x^3 +2x^2 + 12x^2 +8x$

Combining like terms,

$= 3x^3 +14x^2 +8x$

And that's the expanded form ., and the given expression can also be written in that way .

7 0

3 years ago

Please explain!!!!!!!

hichkok12 [17]

3:1 , 4*3=12, 5*1=5
Ratio is 3:1

6 0

4 years ago

Need Help With This

Harrizon [31]

Answer:

Area: 28 square ft

Perimeter: 22 ft

Step-by-step explanation:

To find the area:

A=Lw

A is area, L is length, w is width

A=4*7

A=28

The area is 28 <em>square</em> feet

To find the perimeter:

P=2L+2w

P=2(7)+2(4)

P=14+8

P=22

The perimeter is 22 feet.

Hope this helps!

8 0

3 years ago

What is 2x - (3x +2x)

irina1246 [14]

2x - (3x + 2x)
= -3x

hope this helps !!

4 0

3 years ago

Read 2 more answers

Construct a circle with radium 4cm draw please

Juliette [100K]

Answer:

Use a compass to measure 4 cm. Place the point on the paper and make a complete arc

Step-by-step explanation:

3 0

3 years ago