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Harman [31]
3 years ago
14

Please help me with this!!

Mathematics
1 answer:
Aleonysh [2.5K]3 years ago
7 0
The perimeter is 1/2 the perimeter of ABCD because the scale factor is 1/2. It would be 10 units.
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Find the value of the variable. Then find the angle measures of the polygon. Use a protractor to check the reasonableness of you
Elan Coil [88]
If u look closet, I don’t know the answer
5 0
3 years ago
Which of the following is the solution to: -3x + 8 < 14
Mariana [72]

Answer:

The correct solution is C (x> -2)

3 0
2 years ago
A rectangular sheet of paper has a perimeter of 60cm. When it is folded in half along its longer line of symmetry, the perimeter
Liula [17]

Answer:

Dimensions of the original rectangle:

Length = 19 cm

Width = 11 cm

Step-by-step explanation:

Let

Length = x

Width = y

Original rectangle:

2(Length + width) = 60

2x + 2y = 60

New rectangle has same length with original rectangle but half of the width of the original rectangle when folded

Length = x

Width = 1/2y

2(Length + 1/2width) = 49

2x + y = 49

2x + 2y = 60 (1)

2x + y = 49 (2)

Subtract (2) from (1) to eliminate x

2y - y = 60 - 49

y = 11

Substitute y = 11 into (2)

2x + y = 49

2x + 11 = 49

2x = 49 - 11

2x = 38

x = 38/2

x = 19

Dimensions of the original rectangle:

Length = 19 cm

Width = 11 cm

3 0
3 years ago
WHAT IS THE VALUE OF X?
Tanzania [10]

It is a similar triangle so the side length of the smaller triangle (x and x-2) are in the same ratio as the bigger triangle (2x+5 and 2x-1). As the ratio is the same, you can equate them and solve for x.

7 0
3 years ago
How many different pairs of faces are congruent in a rectangular prism that is not a cube
Kaylis [27]

Answer:

2

Step-by-step explanation:

every rectangular prism has 6 faces, 2 will be congruent together and thw other 4 will be congruent to each other

3 0
2 years ago
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