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Jet001 [13]
3 years ago
6

Yin wants to create figure Y′ that is similar to figure Y. Yin begins by reflecting figure Y across the y-axis.

Mathematics
2 answers:
Anon25 [30]3 years ago
8 0

Answer:

B

Step-by-step explanation:

Sholpan [36]3 years ago
3 0

Answer: B) Dilate by scale factor of 2

====================================================

Explanation:

Your teacher isn't saying this directly, but I'm assuming s/he wants you to find a similar figure that isn't congruent to the original. Informally, your teacher seems to want you to find a figure that is the same shape but not the same size as the original.

If so, then any dilation will shrink or enlarge the image depending on the scale factor. So the new image will not be the same as the old one. In this case, a dilation with scale factor 2 means the new figure is twice as large (each side is twice as long). But the old image is similar to the new image. The angles keep their values and therefore we get the same shape. This is why choice B is the answer. Again this is assuming what I mentioned in the first paragraph.

Choices A, C, and D are all known as rigid transformations and they preserve the same size of the figure. Applying any of those operations will lead to the same figure (just rotated, reflected or shifted somehow). In other words, applying operations A,C, or D will have us get two congruent triangles. If two triangles are congruent, then they are automatically similar, but not vice versa. This is why we can rule out A,C, and D.

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1; 4; 16; 64; ...<br>what is the general term ​
Alborosie

Given:

The sequence is

1, 4, 16, 64

To find:

The general term of the given sequence.

Solution:

We have, the sequence

1, 4, 16, 64

Here, the ratio between two consecutive terms is same. So, it is a geometric sequence.

First term is:

a=1

Common ratio is:

r=\dfrac{a_2}{a_1}

r=\dfrac{4}{1}

r=4

The nth term of a geometric sequence is

a_n=ar^{n-1}             ...(i)

Where, a is the first term and r is the common ratio.

Putting a=1 and r=4 in (i), we get

a_n=(1)(4)^{n-1}

a_n=4^{n-1}

Therefore, the general term of the given sequence is a_n=4^{n-1}.

8 0
2 years ago
Brenda bought five hats. A week later half
VashaNatasha [74]

Answer:

Step-by-step explanation:

23 divided by X. X=half of 23. but really, you need to add to it. other than that i can't help ya, all i know is that half of 23 is 11.5

8 0
3 years ago
Simplify the following expression and justify each step in your simplification. 5(7-x)+6x(3x+4)
Mariulka [41]
35-5x+18x^2+24x 
Simplify:
18x^2+19x+35
8 0
3 years ago
Read 2 more answers
Identify the transformations y = |x| ‐ 6
siniylev [52]
Thé transformation is that the function moved 6 units down
4 0
3 years ago
Morgan uses 2 oz of dog shampoo to bathe her dog each week. After 4 wk, 34 oz of shampoo remains.
Flauer [41]
The amount of shampoo required by Morgan each week to bathe her dog = 2 oz
So
The amount of shampoo required by Morgan in 7 days to bathe her dog = 2 oz
The amount of shampoo remaining after 4 weeks = 34 oz
So the amount of shampoo remaining after (4 * 7) days = 34 oz
The amount of shampoo remaining after 28 days = 34 oz
The amount of shampoo that Morgan uses in 28 days = (2/7) * 28 oz
                                                                                      = 2 * 4 oz
                                                                                      = 8 oz
Then
8 oz of shampoo is required by Morgan in = 28 days
Then
34 oz of shampoo will be used in = (28/8) * 34 days
                                                      = 7 * 17 days
                                                      = 119 days
So
The total number of
days before the bottle becomes empty = 119 + 8 oz
                                                               = 127 days
6 0
3 years ago
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