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Leni [432]
3 years ago
5

What should be the first step to solve this equation 2x+9(x-1)=8(2x+2)-5

Mathematics
2 answers:
irina1246 [14]3 years ago
8 0
The first step would be to combine like terms
Anon25 [30]3 years ago
6 0

Answer:

Use the distributive property on each side of the equation.

Step-by-step explanation:

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Due in 10 Mins please help!
kakasveta [241]

Answer:

-4

Step-by-step explanation:

-*- =+

6 0
3 years ago
The graph 4x^2-4x-1 is shown. Use the grpah to find the estimates for the solutions of 4x^2-4x-1=0 and 4x^2 - 4x-1=2
Darina [25.2K]

Answer:

a) The estimates for the solutions of 4\cdot x^{2}-4\cdot x -1 = 0 are x_{1}\approx -0.25 and x_{2} \approx 1.25.

b) The estimates for the solutions of 4\cdot x^{2}-4\cdot x -1 = 2 are x_{1}\approx -0.5 and x_{2} \approx 1.5

Step-by-step explanation:

From image we get a graphical representation of the second-order polynomial y = 4\cdot x^{2}-4\cdot x -1, where x is related to the horizontal axis of the Cartesian plane, whereas y is related to the vertical axis of this plane. Now we proceed to estimate the solutions for each case:

a) 4\cdot x^{2}-4\cdot x -1 = 0

There are two approximate solutions according to the graph, which are marked by red circles in the image attached below:

x_{1}\approx -0.25, x_{2} \approx 1.25

b) 4\cdot x^{2}-4\cdot x -1 = 2

There are two approximate solutions according to the graph, which are marked by red circles in the image attached below:

x_{1}\approx -0.5, x_{2} \approx 1.5

5 0
3 years ago
I need to know the surface area of these
Nookie1986 [14]
I can barely see the number , too help you out
4 0
2 years ago
Im in need of help so please help[ :)))
const2013 [10]

Given:

Consider the pentagon MVEDR is dilated with the origin as the center of dilation using the rule (x,y)\to(\dfrac{2}{3}x,\dfrac{2}{3}y) to create pentagon M'V'E'D'R'.

To find:

The correct statement.

Solution:

If a figure dilated by factor k, then the rule of dilation is

(x,y)\to (kx,ky)

Here,

If k>1, then the image is larger than the original figure.

If k<1, then the image is smaller than the original figure.

We have,

(x,y)\to(\dfrac{2}{3}x,\dfrac{2}{3}y)

Here, M'V'E'D'R' is image and MVEDR is original figure. The scale factor is

k=\dfrac{2}{3}

Pentagon M'V'E'D'R' is smaller than pentagon MVEDR because the scale factor is less than 1.

Therefore, the correct option is B.

4 0
3 years ago
Draw a graph of the rose curve.<br><br> r = 4 cos 2θ, 0 ≤ θ ≤ 2π
alukav5142 [94]
See the attachment below gor graph
hope that helps 

3 0
3 years ago
Read 2 more answers
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