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Law Incorporation [45]
3 years ago
15

If square ABCD is dilated by a scale factor of 1 3 with a dilation center at vertex A, by what factor does the area of the squar

e decrease? A) 1 9 B) 1 2 C) 2 D) 4
Mathematics
1 answer:
svetoff [14.1K]3 years ago
4 0

Assuming you meant to say "scale factor 1/3", then the answer is A) 1/9

This is because we simply square the scale factor to get

(1/3)^2 = (1/3)*(1/3) = 1/9

----------

For example, let's say we had a square that was 18 by 18. Its area would be 18*18 = 324 square units.

Now reduce each side by the scale factor 1/3 getting the new length 18*(1/3) = 6. The new area is 6*6 = 36

Compare 36 and 324 to see that 36/324 = 1/9. The new area is 1/9th of the old one

new area = (1/9)*(old area)

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A computer tablet is 0.24 meter long. How long is the computer tablet in centimeters? Please show work
AysviL [449]

Answer:

1 meter equals 100 centimeters, to find out how many centimeters you want to take 0.24*100= 2.4,

Therefore; the computer tablet is 24 centimeters long.

8 0
3 years ago
Write the equation of a line that is perpendicular to the given line and that passes through the given point. y=2/3x+9 m (–6, 5)
Marina86 [1]
<h2>Question :</h2>

<em>Write the equation of a line that is perpendicular to the given line and that passes through the given point. y=2/3x+9 m (–6, 5)</em>

<h2>Answer :</h2>

<em>y = -3/2x - 4 </em>

<h2>Explanation :</h2>

y = mx + c

*m = gradien

•>looking for gradients

y=2/3x+9

m1 = 2/3

m2 = -3/2

•>line equation (-6,5)

y - y1 = m(x - x1)

y - 5 = -3/2(x - (-6))

y - 5 = -3/2(x + 6)

y - 5 = -3/2 - 9

y = -3/2x - 9 + 5

y = -3/2x - 4

8 0
3 years ago
Someone help me. Please answer correctly
Goryan [66]
I believe that the answer is 14 or 7
8 0
3 years ago
Read 2 more answers
Select each unit fraction. A. 6 6 B. 1 8 C. 2 4 D. 1 3 E. 3 4
Drupady [299]
No unit fractions are shown. (Sometimes editing is required when you copy and paste your question text.)

Selections B and D have 1 as their first digit. We suspect those are supposed to be the unit fractions 1/8 and 1/3, respectively.
3 0
3 years ago
Somebody please help quick! solve for x
ololo11 [35]

Answer:

x = 8

Step-by-step explanation:

51° = 4x + 19

32° = 4x

8 = x

5 0
2 years ago
Read 2 more answers
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