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Alex787 [66]
3 years ago
11

What is the constant of proportionality in the equation y=12.9x? Enter your answer as a decimal

Mathematics
1 answer:
forsale [732]3 years ago
3 0

Answer:

The constant of proportionality would just be 12.9.

Step-by-step explanation:

This equation is already simplified enough to were the constant of proportionality is just the number attached to the x.

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You bought a car that was $25500 and the value depreciates by 4.5% each year.
nikklg [1K]

Answer:

(a) 20256.15625

(b) 17642.78546

Step-by-step explanation:

(a) There's a formula for this problem y = A(d)^t where, A is the initial value you are given, d is the growth or decay rate and t is the time period. So, in this case, as the car cost is decreasing it is a decay problem and we can write the formula as such; y = A(1-R)^t

So, in 5 years the car will be worth, 25500(1-4.5%)^5 or 20256.15625 dollars

(b) And after 8 years the car will be worth 25500(1-4.5%)^8 or 17642.78546 dollars.

7 0
3 years ago
How many roots does the following equation have? f(x) = 4x5 - 16x4 + 17x3 - 19x2 + 13x - 3 = 0
Anarel [89]
It has 5 roots. You can determine this by the degree of the polynomial
4 0
3 years ago
Find the median for the following set of data:<br><br> 13,26,35,44,38,12,47,23,26
WITCHER [35]

\sf{\qquad\qquad\huge\underline{{\sf Answer}}}

For unorganized data, median is the middle value when the numbers are arranged in ascending order.

Let's proceed ~

In ascending order :

12, 13, 23, 26, 26, 35, 38, 44, 47

So, for given data... median is 26

4 0
2 years ago
Read 2 more answers
What adds to 9 and multiplies to -360
Korvikt [17]
The answer is 40 cause 4 times 9 = 36 so juat add the 0 to 4 and it makes it 40 times 9 ='360
7 0
3 years ago
Read 2 more answers
Give the meaning of the equation: 6x + 4y = 2. 3x + 2y = 1
seraphim [82]
6x+4y=2
3x+2y=1

If you multiply by 2 the second statement you'll get the first one which means they belong to the same graph (same line, lines are coincident). The system is consistent and dependent.

The answer is: C. coincident
4 0
3 years ago
Read 2 more answers
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