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Biblioteka

Unit 4B Review

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Posljednje ažuriranje about 3 years ago
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Pitanje 1
1.

Solve (round to the nearest hundredth, if necessary): 3x+4 = 112.

Pitanje 2
2.

Solve (round to the nearest hundredth, if necessary): 123x-1 = 740.

Pitanje 3
3.

Solve (round to the nearest hundredth, if necessary): 52x + 7 = 22.

Pitanje 4
4.

Solve (round to the nearest hundredth, if necessary): e11x = 355.

Pitanje 5
5.

Solve (round to the nearest hundredth, if necessary):

Pitanje 6
6.

Solve (round to the nearest hundredth, if necessary):

Pitanje 7
7.

Solve (round to the nearest hundredth, if necessary):

Pitanje 8
8.

Solve (round to the nearest hundredth, if necessary):

Pitanje 9
9.

Solve (round to the nearest hundredth, if necessary):

Pitanje 10
10.

Solve (round to the nearest hundredth, if necessary):

Pitanje 11
11.

Solve (round to the nearest hundredth, if necessary):

Pitanje 12
12.

Solve (round to the nearest hundredth, if necessary):

Pitanje 13
13.

What is the extraneous solution to this equation?

Pitanje 14
14.

What is the actual solution to this equation?

Pitanje 15
15.

What is the extraneous solution to this equation?

Pitanje 16
16.

What is the actual solution to this equation?

Pitanje 17
17.

Write a function to model a $14000 investment at 1.5% interest, compounded annually.

Pitanje 18
18.

What is the balance of a $14000 investment at 1.5% interest, compounded annually, after 10 years?

Pitanje 19
19.

How many years until a $14000 investment at 1.5% interest, compounded annually, exceeds $20,000?

Pitanje 20
20.

Write a function to model a $12000 investment at 3.2% interest, compounded annually.

Pitanje 21
21.

What is the balance of a $12000 investment at 3.2% interest, compounded annually, after 10 years?

Pitanje 22
22.

How many years until a $12000 investment at 3.2% interest, compounded annually, exceeds $20,000?

Pitanje 23
23.

Write a function to model a $14000 investment at 1.5% interest, compounded continuously. (Use x as your variable.)

Pitanje 24
24.

What is the balance of a $14000 investment at 1.5% interest, compounded continuously, after 10 years?

Pitanje 25
25.

How many years until a $14000 investment at 1.5% interest, compounded continuously, exceeds $20,000?

Pitanje 26
26.

Write a function to model a $12000 investment at 3.2% interest, compounded continuously. (Use x as your variable.)

Pitanje 27
27.

What is the balance of a $12000 investment at 3.2% interest, compounded continuously, after 10 years?

Pitanje 28
28.

How many years until a $12000 investment at 3.2% interest, compounded continuously, exceeds $20,000?

Pitanje 29
29.

Write a decay equation that models the decay of Promethium-145, with a half-life of 17.5 years and an initial amount of 1200mg.

Pitanje 30
30.

What is the decay constant for Promethium-145? Round to 6 decimal places.

Pitanje 31
31.

How many years would it take for 1200 mg of Promethium-145 to decay to 50 mg?

Pitanje 32
32.

Write a decay equation that models the decay of Actinium-227, with a half-life of 22 years and an initial amount of 800mg.

Pitanje 33
33.

What is the decay constant for Actinium-227? Round to 6 decimal places.

Pitanje 34
34.

How many years would it take for 800 mg of Actinium-227 to decay to 50 mg?

Pitanje 35
35.

Write a decay equation that models the decay of Californium-251, with a half-life of 898 years and an initial amount of 610mg.

Pitanje 36
36.

What is the decay constant for Californium-251? Round to 6 decimal places.

Pitanje 37
37.

How many years would it take for 610 mg of Californium-251 to decay to 50 mg?