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N76 [4]
3 years ago
5

A person’s retirement account of $30,000 earns 4% each year. Which value would represent the base of the exponential function th

at models this situation?
1) 30,000
2) 1.04
3) 1.4
4) 4
Mathematics
2 answers:
vivado [14]3 years ago
8 0
Well, your probably gonna not go with 30,000 because it stands out like a sore thumb. and 4% is = to .04 So that would be my likely guestimation. 1.04 is probably the answer. in high school you would do 30,000(1+.04/1
)^1*1 
 
and if you were to simplify
30,000(1+.04)
or
30,000(1.04)
So i would say 1.04 is the answer
 
Ivahew [28]3 years ago
5 0

Answer:

1.04

Step-by-step explanation:

took the test

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a ball is dropped from the height of 64 feet. its height can be modeled by the function h(t)=-16t^2+64, where t is the time in s
puteri [66]

Answer:

It takes 1.323 seconds for the ball to fall by 36 feet

Step-by-step explanation:

The height of the ball dropped from a height of 64 ft is modeled by the equation:

h(t) = -16t² + 64 where t is the time in seconds.

To find the time it takes to fall 36 ft, we substitute h(t) too be 36 ft and then solve the resulting quadratic function.

Substituting h(t) to be 36 ft:

36 = -16t² + 64

multiply through by -1

-36 = 16t² - 64

add 36 to both sides

16t² -64 + 36 = -36 + 36

16t² - 28 = 0

add 28 to both sides

16t² - 28 + 28 = 0 +28

16t² = 28

Divide both sides by 28

16t²/16 = 28/16

t² = 1.75

Find squre root of both sides

√t² = √1.75

t = 1.323 seconds

It takes 1.323 seconds for the ball to fall by 36 feet

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Answer:

A

Step-by-step explanation:

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