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myrzilka [38]
3 years ago
9

rectangle DOIT has vertices at D(-20,3) O(20,3) I(20,-6) T(-20,-6) what is the area of rectangle DOIT

Mathematics
1 answer:
AnnZ [28]3 years ago
7 0

Answer:

360 sq. units

Step-by-step explanation:

area of DOIT = (20+20) × (3+6)

= 40×9 = 360 sq. units

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If in quadrilateral ABCD, AB = DC and BC = DA, then diagonals AC and BD Select one:
Varvara68 [4.7K]

Answer:

<em>It's </em><em>B</em><em>, the diagonals bisect each other</em>

Step-by-step explanation:

If they were equal, it would have to be a rectangle. If they were perpendicular, it would have to be a sqaure.

5 0
3 years ago
Find the midpoint of segment JT when the coordinates are J(-3,18) and T(7,-10). Show all work
nignag [31]
Given two points (x₁,y₁) and (x₂,y₂), the midpoint of the segment will be:
( (x₁+x₂) / 2 , (y₁+y₂)/2  ).
In this case:
J(-3,18)
T(7,-10)

The midpoint will be:
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Answer: the midpoint of segment JT is (2,4)
5 0
3 years ago
What single percentage change is equivalent to a 7% decrease followed by a 12% increase?
dsp73

Answer:

<h2>4.16%</h2>

Step-by-step explanation:

decrease 7%

100 - 7% = 93

increase 12%

93 + 12% = 104.16

104.16 - 100 = 4.16%

8 0
3 years ago
How many lines of symmetry does the figure have? If the figure has no line symmetry, enter the number
Arlecino [84]

Answer:

One

Step-by-step explanation:

Line of symmetry of a figure is an imaginary line about which the figure can be divided into two equal halves.

In other words, a line passing the center of the figure about which we can fold the figure into two halves overlapping each other.

For the trapezoid given in the figure, line of symmetry will be a vertical line perpendicular to the parallel sides.

Therefore, The figure has 1 line of symmetry.

8 0
3 years ago
Which of these is a simplified form of the expression –b – 2(2b + 5)?
monitta

Answer:

c

Step-by-step explanation:

-b -4b - 10

-5b - 10

hence c is the answer

3 0
2 years ago
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