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nadezda [96]
3 years ago
9

Help plz I don't understand

Mathematics
1 answer:
Arlecino [84]3 years ago
6 0
What you did on the first one is good...this is how you should do the rest of them.

2.) 36 ÷ x = 6
(first box)  36 - x - x - x - x - x - x
(second box)  this is going to be a tape with 6 groupings of 6 pieces
(third box)  x = 6

the object is for you to fully understand that the x = 6 can be used in the second box in place of the x to give the same answer as 6...

36 - 6 - 6 - 6 - 6 - 6 - 6 = 6
all division is meant to be is a quick way of subtracting.....

keep going..you are doing well.
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The square of the sum of two consecutive positive even integers is greater than the sum of their squares by 48. Find the two int
koban [17]

Answer:

  • 4 and 6 or -6 and -4

Step-by-step explanation:

Let the numbers are 2x and 2x + 2.

<u>We have:</u>

  • (2x + 2x + 2)² = (2x)² + (2x + 2)² + 48
  • 4(2x + 1)² = 4x² + 4(x + 1)² + 48
  • (2x + 1)² = x² + (x + 1)² + 12
  • 4x² + 4x + 1 = x² + x² + 2x + 1 + 12
  • 2x² + 2x - 12 = 0
  • x² + x - 6 = 0
  • (x - 2)(x + 3) = 0
  • x = 2, x = -3

<u>The numbers are:</u>

  • 4 and 6 or - 6 and - 4

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2 years ago
What must you do if the base is not a triangle or rectangle?
nikklg [1K]

Answer:

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7 0
3 years ago
Graph with vertices R(6, 6), S(3, –6), and T(0, 3) and its image after a reflection over the y-axis.
Ipatiy [6.2K]
R= (-6,6)
S= (-3,-6)
T= (0,3)
5 0
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Alex can cut a cord into 7 pieces in 36 seconds. How long will it take him to cut the cord into 12 pieces? (the answer is NOT 61
Anika [276]

Answer:

x=61.71428 or 61 5/7

Step-by-step explanation:

We can use a ratio to solve

7 pieces              12 pieces

-----------------   = ---------------

36 seconds          x seconds

Using cross products

7x = 36*12

7x = 432

Divide by 7

7x/7 = 432/7

61 5/7

x=61.71428

3 0
3 years ago
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1.4/16 what the answer ​
dlinn [17]

Answer: 0.0875

Step-by-step explanation:

Dividing 1.4 by 16 should give you 0.0875

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3 years ago
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