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professor190 [17]
3 years ago
8

The figure is reflected across the dotted line.

Mathematics
1 answer:
notsponge [240]3 years ago
8 0
The answer is B: Y
Y did not change position even after it is reflected

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Humans can hear sounds with frequencies up to 20,000 Hz, while dolphins can hear sounds as high as 150,000 Hz. Write these numbe
Goshia [24]
20,000 Hz = 2 × 10^4 Hz

150,000 Hz = 1.5 × 10^5 Hz
4 0
2 years ago
Question 2 of 4
Alexxandr [17]

Answer:

The time it took for the bottle rocket to reach a height of 200 feet is 60 seconds.

Step-by-step explanation:

The function for the height of the bottle rocket (in feet), <em>t</em> seconds after  it is launched is:

h(t)=1157-16\ t

Compute the value of <em>t</em> as follows:

h(t)=1157-16\ t

200=1157-16t

 16t=1157-200\\16t=957\\

     t=59.8125\\t\approx60

Thus, the time it took for the bottle rocket to reach a height of 200 feet is 60 seconds.

8 0
3 years ago
Okay so I am confused about a few questions so I'll ask a few.
Otrada [13]
The vertex’s coordinates are (-1,4)
6 0
3 years ago
Timothy makes reduced copies of a photograph that has an actual length of 8 in. Each time he presses the reduce button on the co
Aleksandr-060686 [28]

Answer:

length of the photograph will be 4.2 in. after pressing the button 5 times.

Step-by-step explanation:

By pressing the button, every time size of the photograph gets reduced by 12%.

Therefore, the sequence formed by the reduced sizes of the photo will be a geometric sequence and the formula for the size of the reduced image will be,

L = l(1-\frac{12}{100})^{n}

Where l = Actual length of the photograph

L = length of the reduced image

n = Number of times the button has been pressed

For l = 8 in. and n = 5

L = 8(1-0.12)^{5}

  = 8(0.88)^{5}

  = 4.22 in

L ≈ 4.2 in.

Therefore, length of the photograph will be 4.2 in. after pressing the button 5 times.

3 0
3 years ago
Hazel is putting together charm bracelets. For each bracelet she uses
Reika [66]

<u><em>Answer:</em></u>

37/96

<u><em>Explanation</em></u>:

Hazel uses 1yd for 60 charms, so for 5/8yd she would use 5/8×60=37.5.

Because she can’t use a fraction of a charm, she would use 37 charms which is 37/96 of the charms she has.

3 0
3 years ago
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