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charle [14.2K]
3 years ago
15

.

Mathematics
1 answer:
Westkost [7]3 years ago
5 0

Answer: a

Step-by-step explanation:

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If y varies directly with x and y = 25 when x = 5, what is the value of k? how does this work when y = kx?
Savatey [412]
If y = 25 and x = 5

25 = 5k

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3 years ago
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For accounting purposes, the value of assets (land, buildings, equipment) in a business are depreciated at a set rate per year.
lidiya [134]

Answer: $ 125987.80

Step-by-step explanation:

Given: The value, V(t) of $393,000 worth of assets after t years, that depreciate at 15% per year, is given by the formula

V (t)=V_o(b)^t, here V_o is the initial asset value  and b is the multiplicative decay factor.

The exponential decay function is given by ;-

f(x)=A(b)^x, where A is the initial value , x is the  times period and b is the multiplicative decay factor.

where b = 1-r, r is the rate of decay.

Since r = 15%=0.15

Therefore, b = 1-0.15=0.85

Now ,for 7 years , the value of assets is given by :-

V=393000(0.85)^7=125986.795\approx125987.80

Hence, the assets valued at after 7 years = $ 125987.80

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3 years ago
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2 doctors is what percent of 25 doctors?
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2 doctors is 8% of 25 total doctors. 

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True or False
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for saken it is better to use ordinary calculator than cp because they have a big difference. That's all I can say

8 0
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Please help me im being timed-
miskamm [114]
Simplify square roots
find all the prime factors of the radicand
and group them in pairs
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Hope that help sorry if it doesn't make sense.. :( <3
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