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-BARSIC- [3]
3 years ago
15

The coordinates of a rectangle are (4, 0), (8, 0), (4, 10) and (8, 10). Which transformation results in a reduction in the size

of a rectangle?
A) The rectangle reflects across the y-axis.

B) The rectangle undergoes a dilation by a scale factor of 2.

C) The rectangle translates 3 units to the left and 6 units up.

D) The rectangle undergoes a dilation by a scale factor of 0.5.
Mathematics
2 answers:
Degger [83]3 years ago
9 0

Answer:

D) The rectangle undergoes a dilation by a scale factor of 0.5.

Step-by-step explanation:

A translation is only a slide; it does not change the size of a figure.

A reflection creates a mirror image; it does not change the size of a figure.

A rotation turns a figure; it does not change the size of a figure.

A dilation is a stretch or shrink, which by definition changes the size of a figure.

A dilation by a factor greater than 1 will stretch a figure, and a dilation by a factor less than 1 (but greater than 0) will shrink a figure.  Since we want a reduction in size, we want a shrink; this means out of all of our options, the only correct one is a dilation by a factor of 0.5.

SpyIntel [72]3 years ago
6 0
B is the answer i hope this helps
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Karan and Preeti are sharing a packet of sweets in the ratio of 2:3 .If the total sweets is 50,how many sweets will Preeti get
Viktor [21]

Answer:

30 sweets

Step-by-step explanation:

From the above question

The ratio is given as:

Karan : Preeti

2:3

The sum of the proportion = 2 + 3 = 5

Total number of sweets = 50 sweets

The number of sweets Preeti will get is calculated as:

3/5 × 50 sweets

= 30 Sweets

Therefore, the number of sweets Preeti will get is 30 sweets

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3 years ago
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ArbitrLikvidat [17]

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3 years ago
23 and 25 <br> how do you do the work?<br> find the areas of each
stiks02 [169]

9514 1404 393

Answer:

  23)  35.77 in²

  25)  48.19 cm²

Step-by-step explanation:

Use the appropriate area formula with the given information.

__

23) The area of a triangle is given by the formula ...

  A = 1/2bh . . . . . base b, height h

  A = 1/2(9.8 in)(7.3 in) = 35.77 in²

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25) The area of a parallelogram is given by the formula ...

  A = bh . . . . . . base b, height h

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The <em>height</em> in each figure is <em>measured perpendicular to the base</em>. This tells you that the length 10.6 cm of the diagonal side of the triangle is not relevant to finding the area.

6 0
3 years ago
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ludmilkaskok [199]

Answer: D

Step-by-step explanation:

An irrational number plus a rational number results in an irrational number.

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2 years ago
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