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beks73 [17]
3 years ago
9

Year 1960 1975 1990 2005 2020 (est.) Population P(t) 200,000 240,000 288,000 345,600 414,720 According to the data, what would t

he population be in 2010? [Note: The function is P(t) = (200)(1.01223)t . A) 367,274 B) 367,987 C) 368,254 D) 368,640
Mathematics
1 answer:
Leno4ka [110]3 years ago
5 0
The correct answer is Choice A) 367,274.

The chart for this data starts in the year 1960. We are looking for the population during year 2010. That is 50 years later.

To find the answer, just input 50 for t in the equation.

P(50) = 200(1.01223)^50
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What is the product of all constants $k$ such that the quadratic $x^2 + kx +15$ can be factored in the form $(x+a)(x+b)$, where
Setler79 [48]

Answer:

k=-16,k=-8,k=8,k=16

Step-by-step explanation:

We are given quadratic equations as

x^2+kx+15

and it can be factored as

=(x+a)(x+b)

now, we can multiply factor term

(x+a)(x+b)=x^2+(a+b)x+ab

now, we can compare

x^2+(a+b)x+ab=x^2+kx+15

so, we get

k=a+b

ab=15

we are given that

'a' and 'b' are integers

so, we can find all possible factors

15=(-1\times -15),(1\times 15)

15=(-3\times -5),(3\times 5)

so, we can find k

At (-1\times -15):

k=a+b

we can plug values

k=-1-15

k=-16

At (1\times 15):

k=a+b

we can plug values

k=1+15

k=16

At (-3\times -5):

k=a+b

we can plug values

k=-3-5

k=-8

At (3\times 5):

k=a+b

we can plug values

k=3+5

k=8

So, values of k are

k=-16,k=-8,k=8,k=16

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coldgirl [10]
Letter B and Letter C would be correct
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2 years ago
A video game is on sale for 15% off the list price of $50. How much is saved by buying the game at the sale price?​
boyakko [2]

Answer:

<h2>7.5$</h2>

Step-by-step explanation:

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3 years ago
Select all that apply. (PLEASE HELP!!)
AlexFokin [52]
A and B are the answers.

If you need proof, just ask in the comments, and I’ll get back to you.

I hope this helps!
5 0
3 years ago
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