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Katarina [22]
3 years ago
15

K’L’M’N’ is a dilation image of KLMN. The center of the dilation is the origin.

Mathematics
2 answers:
ozzi3 years ago
8 0

Answer:

A) A contraction

B) A scale factor of 1/2

Step-by-step explanation:

The pre-image is LMNK and the image is L'M'N'K' and because the image is smaller than the pre-image, it is a contraction.

For the scale factor, we know it has to be at least less than 1 because it is a contraction. Notice the pre-image points are always exactly in the middle of the pre-image point and the origin, so we can assume that the scale factor is 1/2.

Hope this helps.

Have a good day! :)

grandymaker [24]3 years ago
6 0
A enlargement
b 2
hope this helps! good luck!
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If U is between T and B, find TU. TU = 6x + 16, UB = 2x – 1, TB = 55.
enot [183]

Answer:

TU = 46

Step-by-step explanation:

Here, we are concerned with finding TU

Mathematically;

Since U is between T and B, by convention;

TB = TU + UB

Substituting the values so we can find x;

55 = 6x + 16 + 2x -1

55 = 6x + 2x + 16-1

55 = 8x + 15

8x = 55-15

8x = 40

x = 40/8

x = 5

But TU = 6x + 16; substitute the value of 5 for x

TU = 6(5) + 16

TU = 30 + 16

TU = 46

3 0
2 years ago
Find the area of the figure below
sergiy2304 [10]

Answer:

27

Step-by-step explanation:

break shape into two parts

rectangle - 4*3=12

triangle 6*5/2 = 15

add rect and triangle tgt - 12+15=27

6 0
2 years ago
Find the perimeter RST. Round answer to the nearest tenth<br> Show all the work
kow [346]

Answer:

35.1 units

Step-by-step explanation:

Imagine a right-angled triangle with RS as hypotenuse. The base would be 3 units and the height would be 6 units. By Pythagorus:

RS²=3²+6²

RS=\sqrt{45}≈6.7 units

Imagine a right-angled triangle with RT as hypotenuse. The base would be 9 units and the height would be 12 units. By Pythagorus:

RT²=9²+12²

RT=\sqrt{225} = 15 units

Imagine a right-angled triangle with TS as hypotenuse. The base would be 12 units and the height would be 6 units. By Pythagorus:

TS²=12²+6²

TS=\sqrt{180}≈13.4 units

Perimeter=RS+RT+TS

=6.7+15+13.4

=35.1 units

6 0
3 years ago
Which quadratic function has one real solution? 0 = 2(x + 7)(x – 5) 0 = (x – 3)(x – 3) 0 = 2.4(x – 2)(x + 2) 0 = (x – 2)(x – 1)
NikAS [45]

0 = (x – 3)(x – 3)

x - 3 = 0

x = 3

Solution is x = 3 (one real solution)

Answer

0 = (x – 3)(x – 3)

6 0
3 years ago
Read 2 more answers
The difference between 31 and a number is 7
astra-53 [7]

Answer:

thirty-eight

Step-by-step explanation:

31+7= answer

5 0
3 years ago
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