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3 years ago

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One of the models of spaceships in a museum is 7 inches long. The scale of a model spaceship is 1 inch to 16.5 feet. What is the

length of the actual spaceship? Show all work please..

1 answer:

Alexandra [31]3 years ago

3 0

The length of the spaceship would be 115.5 feet long.

7*16.5=115.5 feet

Hope this helps :)

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Two families are sharing the cost of vacation home for one week. The cost to rent the home is $3,513 plus a $351.30 deposit. Wha

Natali [406]

The answer is $1932.15

3,513+351.30=3864.30

3864.30÷2=1932.15

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3 years ago

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What does the equation inverse of the function found in part b represent in the contract of the problem ? explain your answer .

gavmur [86]

Answer:

$f^{-1}(x) =\frac{x}{3} - 5$

The inverse function is to calculate the number of rides; given the amount paid

Step-by-step explanation:

Given

$Admission = 15$

$Ride = 3$ per ride

Required

Explain the inverse function

First, we calculate the function

Let x represents the number of rides

So:

$f(x) = Admission + Ride * x$

$f(x) = 15 + 3 * x$

$f(x) = 15 + 3x$

For the inverse function, we have:

$y = 15 + 3x$

Swap x and y

$x = 15 + 3y$

Make 3y the subject

$3y = x - 15$

Make y the subject

$y =\frac{x}{3} - 5$

Replace y with the inverse function

$f^{-1}(x) =\frac{x}{3} - 5$

The above is to calculate the number of rides; given the amount paid

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vampirchik [111]

Answer:

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Step-by-step explanation:

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What is a rational and irrational number?

KIM [24]

Answer:

In mathematics, a rational number is a number such as −3/7 that can be expressed as the quotient or fraction p/q of two integers, a numerator p and a non-zero denominator q. Every integer is a rational number: for example, 5 = 5/1.

In mathematics, the irrational numbers are all the real numbers which are not rational numbers. That is, irrational numbers cannot be expressed as the ratio of two integers.

Step-by-step explanation:

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Solve the inequality:

Allushta [10]

Answer:

x ≤ 1

Step-by-step explanation:

8 + 4x $\geq$ 12

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4x ≥ 4

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x ≤ 1

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3 years ago