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const2013 [10]
3 years ago
9

7Q. 12. Factorise the following expression:(a* - 22a2b2 + 121b4) - 289bo​

Mathematics
1 answer:
Alex3 years ago
8 0

Answer:

...........................

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The cost of a book was decreased from 60 to 50 by what percent the price decrased with solution​
Artist 52 [7]

Answer:

The price decreased by 16 1/3%, or approximately 16.3%

Step-by-step explanation:

Use the formula for percent change. If the answer is negative, it is a percent decrease. if the answer is positive, it is a percent increase.

percent change = (new price - old price)/(old price) * 100%

In this case, use:

new price = 50

old price = 60

percent change = (new price - old price)/(old price) * 100%

percent change = (50 - 60)/60 * 100%

percent change = -10/60 * 100%

percent change = -1/6 * 100%

percent change = -100/6% = -50/3% = -16 1/3%

The price decreased by 16 1/3%, or approximately 16.3%

7 0
3 years ago
Sue has taken four exams so far in her History course. Her scores are 84.0, 78.2, 93, and 87.5. What is the average of these sco
Nataliya [291]

Answer: 85.7

Step-by-step explanation:

3 0
3 years ago
A quote website includes a "Surprise me!" button that randomly selects a quote from its database. For every 4 quotes in the data
Damm [24]

Answer: 4 quotes

3.5 quotes

Step-by-step explanation:

Khan

8 0
3 years ago
2.9 rounded to nearest hundredth
worty [1.4K]

Answer:

The answer would be 2.9

Step-by-step explanation:

its already rounded

8 0
3 years ago
a map is drawn to the scale of 1:1000. find the actual distance between two towns dogo and Dagger which are 55 cm apart​
kvasek [131]

Answer:

Dogo and Dagger are 55,000 units apart. (I don't know the unit of measurement.)

Step-by-step explanation:

  1 : 1000

55 : 55000

Dogo and Dagger are 55000 units apart (Is it kilometers, centimeters? I don't know what unit of measurement it is.)

3 0
3 years ago
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