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dmitriy555 [2]
3 years ago
6

A photocopy of a polygon was reduced to 70% of its original size. Then, the copy was again reduced to 70% of its size.

Mathematics
1 answer:
aniked [119]3 years ago
8 0

Step-by-step explanation:

Step 1 of 4

a) Yes, since the photo copy, is same which is reduced by 80% it remains similar. Because the angles stay the same and the ratios responding sides are proportional.

The following is the figure:



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kallie has a pottery business to make a certain piece she spends 3.68 on materials and 6.52 on labor. she then sells the pottery
Mrac [35]

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3/5 + 7/10 =  6/10 + 7/10 = 13/10 = 1 and 3/10 lbs. needed

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4 years ago
The angles of a triangle are 2x, 3x and 7x respectively. If the sum of the angles of a triangle is 180°What is the measure of ea
vodomira [7]

Answer:

30°, 45°, and 105°

Step-by-step explanation:

Find the value of x

2x + 3x+ 7x = 180

12x = 180

x = 180/12

x=15

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2x = 2(15)

3x= 3(15)

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8 0
3 years ago
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oee [108]

Answer:

  • Considering the temperature is 0°C and
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So, it took 11 hours for the change in temperature to be -33.

Step-by-step explanation:

Rate of change basically means the amount of change to how long it takes for the change to occur.

Rate of change = Change in Value/ Change in time

On a certain day the temperature changed at a rate of -3 per hour.

Let suppose the Temperature at 8:00 = 0°C

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so

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So, the temperature to be -33°C, it would take 11 hour as -3 × 11 = -33.

Therefore, it took 11 hours for the change in temperature to be -33.

8 0
4 years ago
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