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navik [9.2K]
3 years ago
6

How many solutions does the system have 6 x + 2= y 3y-18x=12

Mathematics
1 answer:
shepuryov [24]3 years ago
3 0

Step-by-step explanation:

6x + 2 = y --------1

3y - 18x = 12 -----2

From 1

substitute y = 6x +2 in equation 2

3(6x + 2) - 18x = 12

18x + 6 - 18x = 12

Therefore, no solution!

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Evaluate the expression x5/x2 for x =2
My name is Ann [436]

Answer:

2.5

Step-by-step explanation:

(2)(5)/(2)(2)

10/4

= 2.5

8 0
3 years ago
Read 2 more answers
Hi i kinda stuck on this question. <br>Help please. <br>Workings Please​
egoroff_w [7]

Answer:

D. 4m^{2}

Step-by-step explanation:

First find the area of 1 tile

= length * breadth

= 8 * 5

= 40cm^{2}= 40/10000 = 0.004

no. of tiles= 1000

therefore, total area of 1000 tiles = area of room= 1000*0.004

=4m^{2}

3 0
4 years ago
if a new CD player in North Carolina cost $225 and the sales tax is 4.75%, how much will a customer save during a tax-free holid
zimovet [89]
In this question , there are several information's that has been provided and are of immense importance. Cost of a new CD player in North Carolina cost $225. The sales tax applied is 4.75%. The amount of savings during tax free period has to be calculated.
Then
The amount of money that the customer will
save during tax free period = 225 * (4.75/100)
                                           = 225 * 0.0475
                                            = 10.687
So the person will save $10.687 or you can take it as $10.69 during the tax free period.
7 0
4 years ago
Read 2 more answers
Given the speeds of each runner below, determine who runs the fastest? ron runs 15 feet per second. Brooke runs 85 feet in 9 sec
gavmur [86]
Ron runs the fastest

Brooke runs 9.4 feel per second

Adam runs 10.4 feet per second

And if you times 15 * 60 you get 900

And if you times 15 * 9 which is 135 which only proves Ron’s the fastest
4 0
3 years ago
Consider the complex number z = 27i. what are the characteristics of the cube roots of z? use the drop-down menus to complete ea
wlad13 [49]

The drop-down menu will be 3 and 2.

<h3>What is the complex number?</h3>
  • Real and imaginary numbers combine to form complex numbers with two components. Complex numbers serve as the foundation for more complex math, including algebra. They have various practical applications, particularly in electronics and electromagnetism.

The complex number z = 27i.

The radius of the cube root is: r\sqrt[3]{x}

                                                  r\sqrt[3]{27}

                                                  r=3

Cube roots are located in a circle with a center at the origin and a radius of 3 units.

The complex number,z=a+ib is; Θ = tan⁻¹(b/a)

The complex number z=0+27i is:

                                                     Θ = tan⁻¹(27/0)

                                                     Θ = π/2

Cube roots have more than 3 arguments that differ by 2 π.

Therefore, The drop-down menu will be 3 and 2.

To learn more about the complex number, refer to:

brainly.com/question/11089283

#SPJ4

4 0
2 years ago
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