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svetoff [14.1K]
3 years ago
12

Suppose the relationship between x and y is proportional. When x is 7 ​, y is . 147 Identify the constant of proportionality of

y to x.
Mathematics
1 answer:
Sliva [168]3 years ago
5 0

Answer:

its 21

Step-by-step explanation:

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A house was valued at $100,000 in the year 1987. The value appreciated to $165,000 by the year 2002.
iris [78.8K]

Answer:

  A) The annual multiplier was 1.0339; the annual increase was 0.0339 of the value.

  B) 3.39% per year

  C) $182,000

Step-by-step explanation:

A) Let's let t represent years since 1987. Then we can fill in the numbers and solve for r.

  165000 = 100000(1 +r)^15

  1.65^(1/15) = 1 +r . . . . . divide by 100,000; take the 15th root

  1.03394855265 -1 = r ≈ 0.0339

The value was multiplied by about 1.0339 each year.

__

B) The value increased by about 3.39% per year.

__

C) S = $100,000(1.03394855265)^18 ≈ $182,000

8 0
3 years ago
Eight year-old Alex is learning to ride a
cestrela7 [59]

Answer:

The age of the horse, in human years, when Alex was born can be determined by simply deducting the Current age of Alex from the Current age of the horse in human years.

Therefore, the age of the horse, in human years, when Alex was born was 42 years.

Step-by-step explanation:

Current age of Alex = 8

Current age of the horse in human years = 50

Since the age of the horse is already stated in human years, it implies there is no need to convert the age of the horse again.

Therefore, since Alex is a human who was born 8 years ago, the age of the horse, in human years, when Alex was born can be determined by simply deducting the Current age of Alex from the Current age of the horse in human years as follows:

The age of the horse, in human years, when Alex was born = 50 - 8 = 42

Therefore, the age of the horse, in human years, when Alex was born was 42 years.

This can be presented in a table as follows:

                               Age of Alex        Age of the Horse (in human years)

Eight years ago              0                                           42

Current age                    8                                           50

6 0
3 years ago
Julio buys 5 shares of Coca-Cola stock and is guaranteed dividends (a profit)?<br> True<br> False
ValentinkaMS [17]
True


jjjjjjjjjkkkkkllllklllklkkkkkkkkjkjkkggfj
8 0
3 years ago
Read 2 more answers
CAN someone PLZ help!?!?
xxTIMURxx [149]

Answer:

Step-by-step explanation:

First one is 0.066 cents and the second is is 15.266 dollars

5 0
3 years ago
Guy is reading a science fiction book that is 558 pages long.If he reads 28 pages each day,how many days will it take him to rea
Citrus2011 [14]

Answer:

no more than 20 days

Step-by-step explanation:

6 0
3 years ago
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