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beks73 [17]
3 years ago
15

7th grade math guys!! Proportion equation?? anyone help please???!!

Mathematics
2 answers:
Aleks [24]3 years ago
7 0
The answer is B.

I need 20 character for this answer
Virty [35]3 years ago
6 0
Hey there!

In this problem, we're looking for x's <em>relation</em> to y. We want to know what we multiply, divide, or do any other operation to on x to get y.

And that, is why we have algebra.

We take our x value, and we put a variable, z, after it. That allows us to solve for z and see what we are doing to x to get y.

Let's try one:

We have 2, and when it goes through our function, we get 16. We have:

2z = 16
z = 8

Next one:

3z = 24
z = 8

Finally:

4z = 32
z = 8

We see a common pattern. Y is just x multiplied by 8.

Therefore, your answer is B, y = 8x

Hope this helps!
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Which of these is a recurring cost of car payment?
katen-ka-za [31]
I believe it’s b but I’m not super sure
7 0
3 years ago
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Find the measure of the central angle with a radius of 13 inches and the area of a sector measuring 42.25π square inches.
quester [9]
Area of a sector: 1/2r^2 theta

Need theta
Let x be theta for now

42.25 pi = 1/2r^2x
84.5pi = r^2x
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7 0
3 years ago
Describe how the graph of y= x^2 can be transformed to the graph of the given equation.
AnnyKZ [126]

Answer:

We conclude that the graph y = x² can be transformed into the graph of the given equation y = (x - 12)²+3 by shifting the graph of y = x² right 12 units and then up 3 units.

Hence, option D is true.

Please check the attached graph.

Step-by-step explanation:

Given the parent function

y = x²

Given the transformed function

y = (x - 12)²

Horizontal Translation:

The horizontal translation of y = x² is of the form

f(x-h)

so y = y = (x - 12)² means y = x² is shifted 12 right.

Vertical Translation:

y = x²

Then y = x² + b is a vertical translation of y = x²

if b > 0, then y = x² + b is the graph of y = x² 'b' units up.

if b < 0, then y = x² + b is the graph of y = x² 'b' units down.

Thus, y = x² + 3 means the graph y = x²  is vertically shifted up by 2 units.

Please check the attached graph.

  • The blue graph is representing the graph of y = x².
  • The red graph is representing the graph of y = (x - 12)²+3

Therefore, the graph y = x² can be transformed into the graph of the given equation y = (x - 12)²+3 by shifting the graph of y = x² right 12 units and then up 3 units.

Hence, option D is true.

6 0
3 years ago
Read 2 more answers
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