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White raven [17]
2 years ago
11

good evening! Can someone please answer this, ill give you brainliest and your earning 50 points. Would be very appreciated.

Mathematics
2 answers:
garik1379 [7]2 years ago
5 0

The pattern is

  • 1+1
  • 4+2
  • 9+3

More simply

  • 1²+1
  • 2²+2
  • 3²+3

So for an integer n

  • y=n²+n

#b

n² is pair of boxes at top side

n is boxes underneath

Sphinxa [80]2 years ago
4 0

Answer:

<h3><u>Part (a)</u></h3>

From inspection of the diagram, the pattern is:

Step 1:      1² + 1

Step 2:    2² + 2

Step 3:    3² + 3

Let x = step number

Let y = total number of squares

Therefore, the equation that represents the relationship is:  

y = x² + x

<h3><u>Part (b)</u></h3>

<u />

x² relates to the large square made up of small squares (top part of the image of each step)

x relates to the rectangle of small squares (bottom part of the image of each step)

y is the total number of small squares in the image of each step.

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What is the midpoint of 2,6 and 10,12
-BARSIC- [3]

Answer:

               = 6, 9

Step-by-step explanation:

To find the midpoint , we use the formula

midpoint = (x1+x1)/2, (y1+y2)/2

             = (2+10)/2,  (6+12)/2

               = 12/2, 18/2

               = 6, 9

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3 years ago
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. The perimeter of a square is 8y – 12. The area of the square is 100 square units. What is the value of y?
evablogger [386]

Answer:

y = 6.5 units

Step-by-step explanation:

Let L be the length of sides of the square.

Given the following data;

Perimeter of square = 8y - 12

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To find the value of y;

Area of a square = L²

Substituting into the formula, we have;

100 = L²

L = √100

L = 10 units

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Perimeter of a square = 4L

Substituting into the formula, we have;

8y - 12 = 4*10

8y - 12 = 40

8y = 40 + 12

8y = 52

y = 52/8

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hope this helps!! :)

5 0
3 years ago
I'm testing something, so you can just take the points if you want I don't care.
SVEN [57.7K]

Answer:

...Okay thank you!

Step-by-step explanation:

...... :)

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