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vazorg [7]
3 years ago
10

Quinn is determining the area of a trapezoid. His work is shown below. mc012-1.jpg Step 1: Break the figure into rectangles and

triangles. mc012-2.jpg Step 2: Find the area of the rectangle: mc012-3.jpg. Step 3: Find the area of the triangles: mc012-4.jpg. Step 4: Add the areas together: mc012-5.jpg square centimeters. Which best describes Quinn’s error?
Mathematics
2 answers:
lbvjy [14]3 years ago
6 0

The answer is C.The area of the triangle in Step 3 should be doubled since there are 2 triangles.
RSB [31]3 years ago
3 0

Answer:

he is right its c

Step-by-step explanation:

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Aleksandr-060686 [28]

Answer:

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Vlad1618 [11]
Basically the question is asking you for the area of the triangle.
The formula to find the area of a triangle is base x height divided by 2.
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6 0
4 years ago
Write the equation of the parabola in vertex form.<br><br><br>Vertex: (−4,6); Point: (−2,−2)
gtnhenbr [62]

Answer:

y = - 2(x + 4)² + 6

Step-by-step explanation:

The equation of a parabola in vertex form is

y = a(x - h)² + k

where (h, k) are the coordinates of the vertex and a is a multiplier

Here (h, k ) = (- 4, 6 ) , thus

y = a(x - (- 4) )² + 6 , that is

y = a(x + 4)² + 6

To find a substitute (- 2, - 2) into the equation

- 2 = a(- 2 + 4)² + 6 ( subtract 6 from both sides )

- 8 = a(2)² = 4a ( divide both sides by 4 )

- 2 = a , thus

y = - 2(x + 4)² + 6 ← equation in vertex form

5 0
3 years ago
A wombat can reach a top speed of 40km/hr. What is this speed in m/s?
Lena [83]

Answer:

<u>11,1</u> <u>m/s</u>

Step-by-step explanation:

40km/hr equals 11,1111111 m/s

11,1111111 simplified: <u>11,1</u>

= <u>11,1</u> <u>m/s</u>

5 0
1 year ago
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