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raketka [301]
3 years ago
15

How do I divide 5 1/2 ÷2 1/2=

Mathematics
1 answer:
iren [92.7K]3 years ago
5 0

Answer:

Step-by-step explanation:

5 1/2 ÷ 2 1/2

= 11/2 ÷ 5/2

= 11/2 × 2/5

= 11/5

= 2 1/5

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Calculate the surface area of this rectangular prism​
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The expression 4x^2 represents <br><br> (4x)(4x)<br><br> (4)(x)(x)<br><br> (4)(x)(2)
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The answer is (4)(x)(x) because it’s 4 times 2 x’s

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Read 2 more answers
Carlota wrote the equation y + 1 = 2 (x - 3) for the line passing through the points (-1, 3) and (2, 9). Explain and correct her
Art [367]

For this case we have the following equation:


y + 1 = 2 (x - 3)

That can be rewritten in the form y = mx + b

Where:


  • m is the slope of the line
  • b is the cut point

So, we have:


y + 1 = 2 (x - 3)\\y + 1 = 2x-6\\y = 2x-6-1\\y = 2x-7

Where:


m = 2 is the slope


b = -7 is the cut point


Carlota has the following points:


(-1, 3) and (2, 9)


To know if the line y = 2x-7 passes through these points, we must replace them in the equation and the equality must be fulfilled. So:


Point (-1, 3):


Substituting:


3 = 2 (-1) -7\\3 = -2-7

3 = -9 It's false, equality is not met. The point (-1, 3) does not go through the line.


The equation written by Carlota is erroneous, the procedure to follow is:


Given(x1, y1) = (- 1, 3) and(x2, y2) = (2, 9), we find the slope:


m=\frac{(y2-y1)}{(x2-x1)}

m=\frac{(9-3)}{(2-(-1))}

m=\frac{6}{3}

m=2

We observe that the slope found by Carlota is the same. Let's see cut point "b". For this we substitute any of the points given in the equation:


y = 2x + b

Substituting (2,9) we have:


9 = 2 (2) + b\\9 = 4 + b\\b = 9-4\\b = 5

Thus, Carlota's error was at the cut-off point. The correct equation of the line that passes through the given points is y = 2x + 5

Answer:


The correct equation of the line that passes through the given points is y = 2x + 5

Carlota's mistake was at the cutoff point


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mrs_skeptik [129]

"x" (and any subsequent words) was ignored because we limit queries to 32 words.

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A. Write the given equation in standard form.8x+3y+6=0
Vikki [24]

Answer:

8x+3y=-6

Step-by-step explanation:

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