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Vlad [161]
3 years ago
13

One survey estimates that, on average, the retail value of a mid-sized car decreases by 8% annually. If the retail value of a ca

r is V dollars today, which expression represents the car’s value 1 year later?
A. 0.08V
B. 0.92V
C. 1.08V
D. V-0.08
Mathematics
2 answers:
nexus9112 [7]3 years ago
8 0
\bf \qquad \textit{Amount for Exponential Decay}\\\\
A=I(1 - r)^t\qquad 
\begin{cases}
A=\textit{accumulated amount}\\
I=\textit{initial amount}\to &V\\
r=rate\to 8\%\to \frac{8}{100}\to &0.08\\
t=\textit{elapsed time}\to &1\\
\end{cases}
\\\\\\
A=V(1-0.08)^1\implies A=V(0.92)\implies A=0.92V
AURORKA [14]3 years ago
5 0

Answer:

sorry i just need points and this was 3 1.5 years ago....

Step-by-step explanation:

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Need help with this question.
Vaselesa [24]

Answer:

4:1 (I think)

Step-by-step explanation:

Let's write some equations first:

For both prices increasing by 20:

\frac{x+20}{y+20} =\frac{5}{2}

then we can use cross multiplication

2x+40=5y+100

For both prices decreasing by 5:

\frac{x-5}{y-5} =\frac{5}{1}

same here:

5y-25=x-5

Using substitution for 5y, we get: 5y=x+20

2x+40=5y+100

2x+40=x+20+100

x=80

plugging this in to the second equation:

5y-25=x-5

5y-25=80-5

5y-25=75

5y=100

y=20

therefore we get x:y=80:20

4:1

4 0
3 years ago
11. Identify the properties below.<br> a. 5 + 6 = 6 + 5<br> b. 7 + (3 + 9) = (7 + 9) + 3
jenyasd209 [6]
A is commutative property
B is associative property
Explanation:
5 0
3 years ago
V=1/3 pi r squared h what is h?
Sveta_85 [38]

Step-by-step explanation:

V = 1/3 pi r^2 h

root(V ÷ 1/3 pi) = h

6 0
3 years ago
Which of these expressions represents the sum of two rational numbers being rational?
GaryK [48]

Answer:

i think its number 2 hope its correct

3 0
3 years ago
Find the 100th term of the following arithmetic sequence <br> 5.5, 6, 6.5, 7, ...
AysviL [449]

Answer:

  55

Step-by-step explanation:

The n-th term of an arithmetic sequence is given by the formula ...

  an = a1 + d(n -1)

where a1 is the first term (5.5) and d is the common difference (0.5).

So, the n-th term is ...

  an = 5.5 +0.5(n -1) = 5.0 +0.5n

For n = 100, the term is ...

  a100 = 5.0 +0.5(100) = 55

The 100th term of the sequence is 55.

8 0
3 years ago
Read 2 more answers
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