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Mrac [35]
3 years ago
7

What’s an equivalent expression to 4(4a+5)

Mathematics
1 answer:
diamong [38]3 years ago
8 0

Answer:

16a+20

Step-by-step explanation:

Use the distribute property. We can turn 4(4a+5) to (4*4a)+(4*5). From this we get 16a+20.

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If quadrilateral MNPO is reflected over the x-axis, what are the coordinates of
jenyasd209 [6]

<em>Note: you have not added the image, so I am assuming the quadrilateral MNOP with coordinates M(-4, 0), N(5, -3), P(2, 6) and O(-5, 7). It will anyhow clear your concept as I would explain the concept of reflection over the x-axis.</em>

Step-by-step explanation:

Considering the quadrilateral MNPO with assumed vertices

  • <em>M(-4, 0)</em>
  • <em>N(5, -3)</em>
  • <em>P(2, 6)</em>
  • <em>O(-5, 7)</em>

<em />

<em>THE RULE OF REFLECTION </em>states that when we tend to reflect a point let say (x, y), across the x-axis, the x-coordinate does not change or transform, but the y-coordinate is changed into its opposite sign i.e. (x,-y).

So, the coordinates of the point in the image after quadrilateral MNPO is reflected over the x-axis will be:

<h3>(x, y)                      (x, -y)</h3>

<em>M(-4, 0)                     M'(-4, 0)</em>

<em>N(5, -3)                     N'(5, 3)</em>

<em>P(2, 6)                      P'(2, -6)</em>

<em>O(-5, 7)                   O'(-5, -7)</em>

Hope, it will help you clear your concept regarding reflection of an object over the x-axis. Using this understanding, you can solve any other question related to this topic.

6 0
4 years ago
PLease Help Me [99 points]
xxTIMURxx [149]
A graph is a function if there is only one X value for any Y value.

Since the graph is in the shape of a U, there can only be one X for every Y value, so this graph is a function.
 The answer is C.


6 0
3 years ago
Read 2 more answers
What happens to the value of f(x)=log4x as x approaches 0 from the right
SpyIntel [72]
The value of any log function approaches negative infinity as the argument approaches zero from above.
3 0
3 years ago
Read 2 more answers
Mr hopper did the rest need help
Contact [7]

Let g = graph paper and r = ruler

1st equation: 5g + 30r = 40

2nd equation: 12g + 20r = 44

Multiply the 2nd equation by -1.5 to cancel out the r's

2nd equation: 12g + 20r = 44 x -1.5 = -18g - 30r = -66

Now add the 1st equation to that:

-18g + 5g = -13g

30r -30r = 0

40 -66 = -26

The new equation becomes -13g = -26

Divide both sides by -13

g = -26 / -13

g = 2

This means each pack of graph paper cost $2.

Now replace g with 2 in the first equation to solve for the cost of a rule:

5(2) + 30r = 40

Simplify:

10 + 30r = 40

Subtract 10 from each side:

30r = 30

Divide both sides by 30:

r = 30 / 30

r = 1

Each rule cost $1.

7 0
3 years ago
Read 2 more answers
Can someone pls help, will give brainliest if your answer is correct, question in attachment
Lostsunrise [7]

Answer:

I hope it helps you!!

and watch videos for more information!

7 0
2 years ago
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