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OleMash [197]
4 years ago
14

Use the linear combination method to solve the system of equations. –2.1x + 4y = 5.3 2.1x – 5.5y = –0.2 What is the solution to

the system? ( , )
Mathematics
2 answers:
LekaFEV [45]4 years ago
8 0

Answer:

( -9 ,  -3.4 )

Step-by-step explanation:

just did it

torisob [31]4 years ago
3 0
X = -9, y = -3.4

You can get this by adding through and getting the x's to cancel. Then use the y value to solve for the x. 
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Slope <br>y intercept <br>x intercept​
nalin [4]

Answer:

Step-by-step explanation:

y = mx + b

Here, m is the slope.

b is the y-intercept

x-intercept = -b/m

y = 3x -4

a) slope = 3

b) y-intercept = (-4)

c)  x -intercept = -(-4)/3 = 4/3

y = \frac{1}{5}x-3

a) slope =  \frac{1}{5}

b) y-intercept = (-3)

c)  x -intercept = -\frac{1}{5}÷(-3)

                      = \frac{-1}{5}*\frac{-1}{3}\\\\=\frac{1}{15}

       

4 0
3 years ago
10) Find the Greatest Common Factor between the two given numbers.<br> 8.10
Bess [88]

Answer: GCF(8,10) = 2

Step-by-step explanation:

Factors of 8

1, 2, 4

Factors of 10

1, 2, 5

5 0
3 years ago
What is the image of point (4, 3) if the rotation is 90º ? Please and thank you.
Zielflug [23.3K]

Answer:  (-3, 4)


Step-by-step explanation: Given point coordinate (4,3).

We need to rotate the given point about 90º.

<em>In order to find the new coordinates of rotation 90°counterclockwise about the origin, we can apply rule (h, k) ---> (-k,h).</em>

Where (h,k) are the coordinates of original image on axes and (-k,h) are the coordinates of rotated image.


In resulting coordinates of the image first swap the x and y coordinates of the original image and then make the sign opposite of each x-coordinate.

On applying rule (h, k) ---> (-k,h), we get

(4,3)  ---> (-3, 4)

3 0
3 years ago
Which is the correct answer?
dlinn [17]

Answer:

A

Step-by-step explanation:

6 0
3 years ago
Blake has 864 square inches of material with which to create a hollow three-dimensional container. He decides to make either a c
leonid [27]

Answer:

I think it's a cube, because the cube has bigger spaces because of the edges, but I don't know how much...

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