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White raven [17]
2 years ago
13

From the equation y=3.5x identify the constant of proportionality

Mathematics
2 answers:
Ilya [14]2 years ago
5 0

Answer:

3.5

Step-by-step explanation:

PIT_PIT [208]2 years ago
3 0

Answer:

3.5

Step-by-step explanation:

y = kx is the equation of direct variation where k is the constant of proportionality

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Each year a car is worth 8% less than it was the year before. After 3 years, the car is worth $19,311.46. What was the original
vagabundo [1.1K]

Answer:

$24,800

Step-by-step explanation:

If a car is worth 8% less after one year, then it is worth 92% of the original value.

original value = x

after 1 year: 0.92x

after 2 years: 0.92(0.92x)

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x = $24,800

3 0
2 years ago
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3 years ago
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positive * positive = positive

negative * positive = negative

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Since this question has numbers that fit the second case, the answer will be negative.

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Answer:

\left\{\begin{array}{ccc}3x+6y=-18\\-3x+2y=-22\end{array}\right

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