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Katen [24]
3 years ago
9

Figure WXYZ is a rectangle with a semicircle added to its base. The length of the rectangle is 16 inches and the width is 7 inch

es. What is the perimeter of the figure? Use 3.14 to approximate pi.
Mathematics
1 answer:
NeTakaya3 years ago
8 0
The length of the rectangle is 16 inches and the width is 7 inches. What is the perimeter of the figure? Use 3.14 to approximate pi.

Perimeter of the rectangle = 2L + 2W

C =2 π r
C = 2 * 3.14 * L/2

Perimeter of the figure = L + 2W + C/2





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neonofarm [45]

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Answer:

  vertex: (-2, 4)

Step-by-step explanation:

Use your regression calculator to find the parameters of the quadratic model.

The vertex form equation is ...

  y = -3(x +2)^2 +4

so the vertex is (-2, 4).

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The standard form equation is the expansion of the above:

  y = -3x^2 -12x -8

4 0
3 years ago
In ABC, O is the centroid of the triangle and AO is 12.7 m. Find the length of OY and AY.​
ratelena [41]

Answer:

\boxed{OY = 6.35 m} \\\boxed{AY=19.05 m}

Step-by-step explanation:

The centroid of a triangle always cuts a triangle perfectly at 2/3.

What I mean by this is that the line that touches the tip of the triangle and touches the median of the base is cut into one third and its other part is cut into two thirds of the whole segment. This segment is AY.

Knowing this, I can tell that OY is 1/3 of the length of AO, which is given to be 12.7 m.

To find OY, make an equation where AO and OY add up to AY.

  • 12.7+\frac{1}{3} x=x

The variable x represents the length of AY, and 1/3x represents the length of OY (because it is one-third of AY).

Solve the equation by subtracting 1/3x from both sides.

  • 12.7=\frac{2}{3} x

Divide both sides by 2/3.

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Now we know the length of AY (x). To find the length of OY substitute this value of x into 1/3x, which represents OY.

\frac{1}{3} (19.05)

This gives us 6.35, which is the length of OY.

The final answers are:

  • OY = 6.35 m
  • AY = 19.05 m
3 0
3 years ago
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alexandr1967 [171]

Answer:

13. B

14. non-proportional

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MatroZZZ [7]
24 + 100 is 124, and 124 x 2 = 248. So yes it is more than 120
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3 years ago
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3241004551 [841]

Answer:

4 and -7

Step-by-step explanation:

a coefficient is a number that is being multiplied with a variable (ex:5a) in this case the coefficients are 4 and -7

6 0
2 years ago
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