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spayn [35]
3 years ago
8

Wes bought a conference table for $960. what is it worth after depreciating at a rate of 12% per year for 4 years?

Mathematics
1 answer:
murzikaleks [220]3 years ago
4 0

Answer:

$594.03

Step-by-step explanation:

Using the exponential function;

A = Pe^-rt

Principal = $960

Rate r = 12% = 0.12

Time t = 4years

Substitute

A = 960e^-(0.12*)*4

A = 960e^-0.48

A = 960(0.61878)

A = 594.03

HEnce the worth after 4years will be $594.03

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25%

Step-by-step explanation:

6 0
3 years ago
Of the 84 parents who attended a meeting at a school, 35 volunteered to supervise children during the school picnic and 11 volun
Tatiana [17]

Answer:

The number of parents who volunteered to bring refreshments is 16.

Step-by-step explanation:

The information provided is:

N = 84

n (S) = 35

n (S ∩ R) = 11

n (R) = 1.5 × n (S' ∪ R')

Compute the value of n (S ∪ R) as follows:

n(S\cup R)=n(S)+n(R)-n (S\cap R)\\\\n(S\cup R)=n(S)+[1.5(N-n(S\cup R)]-n (S\cap R)\\\\n(S\cup R)=n(S)+1.5N-1.5n(S\cup R)-n (S\cap R)\\\\2.5n(S\cup R)=n(S)+1.5N-n (S\cap R)\\\\2.5n(S\cup R)=35+(1.5\times84)-11\\\\2.5n(S\cup R)=150\\\\n(S\cup R)=\frac{150}{2.5}\\\\n(S\cup R)=60

Now compute the value of n (R) as follows:

n (R) = 1.5 \times  n (S' \cup R') \\\\n (R) = 1.5 \times  [N-n (S \cup R)]\\\\n (R) = 1.5 \times  [84-60]\\\\n(R)=16

Thus, the number of parents who volunteered to bring refreshments is 16.

5 0
3 years ago
Find the common ratio of the geometric sequence 1.5, 4.5, 13.5, 40.5, …
Viktor [21]

Answer:

The common ratio is 3.

Step-by-step explanation:

Take 4.5 and divide it by 1.5 and you find that the common ratio is 3. To ensure this is the answer you can multiple 4.5 by 3 and you'll get 13.5

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3 years ago
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UkoKoshka [18]

Answer:

Step-by-step explanation:

Increased amount = 3 - 2.50 = $ 0.50

Increase percentage = \frac{0.50}{2.50}*100\\

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Answer:f(4)=1/2

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