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Kay [80]
2 years ago
7

Find the total surface area of the rectangular prism in square millimeters. 2cm 6 cm 9cm

Mathematics
1 answer:
Ket [755]2 years ago
3 0
<h3>Answer:  168 square cm</h3>

==============================================

Work Shown:

  • L = 2 = length
  • W = 6 = width
  • H = 9 = height

The order of length, width and height doesn't matter

SA = surface area of rectangular prism

SA = 2*(LW + LH + WH)

SA = 2*(2*6 + 2*9 + 6*9)

SA = 2*(12 + 18 + 54)

SA = 2*(30+54)

SA = 2*(84)

SA = 168 square cm

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Assuming that a cheese sandwich consists of 2 slices of bread and 3 slices of cheese, determine the number of whole cheese sandw
pav-90 [236]
If we are to consider the number of slices of bread first,

      number of sandwiches = (28 slices of bread)(1 sandwich/ 2 slices of bread)
      number of sandwiches = 14 sandwiches

If we are to consider the number of slices of cheese
 
      number of sandwiches = (45 slices of cheese)(1 sandwich / 3 slices of cheese)
     number of sandwiches = 15 sandwiches

Since, 14 is smaller than 15 then, 14 is the answer.

<em>Answer: 14 sandwiches</em>
7 0
3 years ago
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What number should be added to both sides of the equation to complete the square? x2 – 6x = 5
choli [55]

Answer: Add 9 to both sides to complete the square

Step-by-step explanation:

The formula for the number you need to add to complete the square is (b/2)^2. In this case, b = -6, so:

(b/2)^2 = (-6/2)^2 = (-3)^2 = 9.

(After adding 9 to both sides, you will get x^2 - 6x + 9 = 14 which can be factored to (x - 3)^2 = 14)

3 0
3 years ago
Solve the inequality for u.<br> 7u - 32&lt; - 3(6-3u)<br> Simplify your answer as much as possible.
Dmitry_Shevchenko [17]

Answer:

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Step-by-step explanation:

7u - 32 < - 3(6-3u)

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18-32 < - 7u + 9u

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2u > - 14

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3 0
2 years ago
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Vlad [161]

Answer:

Your answer is 46 minutes.

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45 + 47= 92

Then you divide the sum by the number of pairs. Which we have 2 pairs.

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7 0
3 years ago
HELP!!!!! Please!!!!!
Mekhanik [1.2K]
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5 0
3 years ago
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