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maw [93]
3 years ago
14

A countertop is 16 feet long and 3 feet wide. What is the area of the countertop in square meters

Mathematics
2 answers:
Eddi Din [679]3 years ago
6 0
Length times width (48) 48 convert to sq meters is around 4.45935
Luba_88 [7]3 years ago
4 0
This question regards area.  Area is length times x width.  The only problem is that both numbers are not in the same units.  
16 x 3 = 48 square feet
A meter is roughly 3 feet but we'll use a closer number which is 3.28 feet.
Now 3.28 x 3.28 is, 10.76 which is how many feet are in a square meter.
Now divide 48 by 10.76=4.46 square meters.
If we would have left a meter at 3 feet the answer would be
3 x 3=9
48 divided by 9 is 5.33
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<h3>Answer:  cos(76)</h3>

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

Explanation:

The original expression is of the pattern cos cos + sin sin. This pattern matches the second identity in the hint. Specifically, we'll say the following:

cos(A - B) = cos(A)cos(B) + sin(A)sin(B)

cos(A)cos(B) + sin(A)sin(B) = cos(A - B)

cos(94)cos(18) + sin(94)sin(18) = cos(94 - 18)

cos(94)cos(18) + sin(94)sin(18) = cos(76)

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We can verify this by use of a calculator. Make sure your calculator is in degree mode.

  • cos(94)cos(18) + sin(94)sin(18) = 0.24192
  • cos(76) = 0.24192

Both expressions give the same decimal approximation, so this helps confirm the two expressions are equal. You could also use the idea that if x = y, then x-y = 0. Through this method, you'll subtract the left and right hand sides and you should get (very close to) zero.

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2 years ago
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Answer:t

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Step-by-step explanation:

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3 years ago
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3 years ago
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Answer:

The answer is

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Step-by-step explanation:

❃Incase you forgot what the linear equation formula is ↶

y = mx + b

❃Since we already have the slope, we don't need to solve for that.

➊ First: We are going to find the y-intercept.

y = mx + b \\ 2 =  3( - 1) + b \\ 2 = - 3 + b \\ \frac{ + 3 = + 3 \: \: \: \: \: }{5 = b}

➋Second: Plug in.

y = 3x + 5

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