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3 years ago

A fuel company charges $120 for an annual fee and $125 a month for 12 months. What's the total cost of fuel for 12 months?

Mathematics

2 answers:

Alchen [17]3 years ago

5 0

The answer is $1620 for 12 months

Sedbober [7]3 years ago

4 0

120 + 125x = y

120 + 125(12) = y

120 + 1500 = y

The answer is $1620 for 12 months.

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Answer:

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Step-by-step explanation:

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The ropes on either side of a swing are 1.9 m long. If a child swings through a arc length of 0.9 Determine the angle (in radian

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Answer:

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Step-by-step explanation:

The formula for arc length is

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3 years ago

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Iteru [2.4K]

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3 years ago

Read 2 more answers

wind resistance varies jointly as an objects surface area and velocity. if an object traveling at 55 miles per hour with a surfa

nikdorinn [45]

Answer:

25 miles per hour

Step-by-step explanation:

Given

$W = Wind\ resistance$

$A = Surface\ Area$

$V = Velocity$

The joint variation can be represented as:

$W\ \alpha\ A*V$

Where:

$V = 55; A = 20; W = 220$

Required

Find V, when: $A = 55; W = 275$

We have:

$W\ \alpha\ A*V$

Express as an equation

$W= k *A*V$

Where k is the constant of variation

Make k the subject

$k = \frac{W}{A*V}$

When: $V = 55; A = 20; W = 220$

We have:

$k = \frac{220}{20 *55 }$

$k = \frac{220}{1100}$

$k = 0.2$

When: $A = 55; W = 275$

We have:

$k = \frac{W}{A*V}$

Substitute: $A = 55; W = 275$ and $k = 0.2$

$0.2 = \frac{275}{55 * V}$

Make V the subject

$V= \frac{275}{55 * 0.2}$

$V= \frac{275}{11}$

$V= 25$

3 0

3 years ago