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Stels [109]
3 years ago
15

Choose the dilation that would represent a reduction

Mathematics
1 answer:
valentina_108 [34]3 years ago
7 0
For this case, the first thing you should know is that there are two possible cases:

 Case 1:
 If 0 <k <1 then there is a reduction of the orignal figure.

 Case 2:
 
If k> 1 then there is an expansion of the originial figure.

 Therefore, in this case, the scale factor that represents a reduction is given by:
 k = 3/4 = 0.75 (0 <k <1)

 Answer:
 
the dilation that would represent a reduction is:
 
C. k = 3/4
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Pls help me solve this please I will give 70 points please help
Mashutka [201]

Answer:

Fraction Form: \frac{2187}{4000000}

Decimal Form: 0.000547

Step-by-step explanation:

=\frac{5}{256} * \frac{3}{5}^1^2 / \frac{3}{5}^5

\frac{3}{5}^1^2/\frac{3}{5}^5=\frac{2187}{78125}

=\frac{5}{256}*\frac{2187}{78125}

\mathrm{Apply\:the\:fraction\:rule}:\quad \frac{a}{b}\cdot \frac{c}{d}=\frac{a\:\cdot \:c}{b\:\cdot \:d}

\frac{5*2187}{256*78125}

\mathrm{Factor\:the\:number:\:}\:78125=5\cdot \:15625

=\frac{5*2187}{256*5*15625}

\mathrm{Cancel\:the\:common\:factor:}\:5

=\frac{2187}{256*15625}

\mathrm{Multiply\:the\:numbers:}\:256\cdot \:15625=4000000

\frac{2187}{4000000}

[RevyBreeze]

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2 years ago
I need help explanation if possible
viva [34]

Answer:

y = 16.

Step-by-step explanation:

The ratio of corresponding sides of similar triangles are the same.

The small and large triangles are similar ( - that is corresponding angles are congruent).

So 2/(2+8) = x / 20

2/10 = x/20

10x = 40

x = 4.

Therefore y = 20 -4 = 16.

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Sebastian rides his bike 2,000 meters in 5 minutes. How many meters does he bike in 1 minute?
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Answer:400 meters

Step-by-step explanation:

2000/5=400

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Answer:

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