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juin [17]
3 years ago
5

A city has a population of 340000 people . Suppose that each year the population grows by 4.75%. What will the population be aft

er 9 years?
Mathematics
1 answer:
Tom [10]3 years ago
7 0
This is an exponential growth problem. To start it off, the exponential growth formula is: y = a(1 + r)^x, where a is the initial value, r is the common ratio, and x is how many years later. 

Now, substituting in the values, we get y = 340,000(1 + 4.75)^9. Solve using the Order of Operations. 

y = 340,000(5.75)^9. y = 340,000(6,870,852). Since this is an increasingly large number, I will represent it as y = 2.336089725^12.

You may wan't to check this answer, merely because since this is such a large number I cannot be totally sure. It might help if you had answer choices.

Anyways, hope this helped! Have a great day!
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Answer:

f(x) = -3(x+3)(x-1)

Step-by-step explanation:

x = -3 & 1; f(x) = 9

f(x) = a(x-r1)(x-r2)

f(0) = a(x-r1)(x-r2) = 9; 9 = a(0-(-3))(0-1)

9 = a(3)(-1); 9 = a(-3)

a = -3

f(x) = -3(x+3)(x-1)

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3 years ago
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Yuliya22 [10]

Answer:

complementary angles

Step-by-step explanation:

Adjacent angles form a right angle.

A right angle is 90 degrees.

Two angles that add to 90 degrees are complementary.

The adjacent angles are complementary

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insens350 [35]
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Rufina [12.5K]
9+ (\dfrac{1}{2} )^4 \times 48 = 9 + \dfrac{1}{16} \times 48  = 9 + 3 = 12


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