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3 years ago

Hey guys I really need this answer asap (50 points) and branliest ty

Mathematics

2 answers:

mylen [45]3 years ago

5 0

Answer and Step-by-step explanation:

The answer is A. 67.5.

We are told the scale factor of a model train is 1 inch to 13.5 feet.

We multiply the 5 inch model car by 13.5 to get the car size.

5 times 13.5 is 67.5.

#teamtrees #PAW (Plant And Water)

Ymorist [56]3 years ago

4 0

Answer:

we have

1 inch :13.5ft

5in:=13.5×5=67.5ft

option A.67.5ft is a required answer.

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What is the answer to x+36=4x

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The answer is the number that 'x' must be in order for
that equation to be a true statement. Here's one way
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x + 36 = 4x

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Divide each side by 3 : 12 = x

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3 years ago

The top of the Boulder Dam has an angle of elevation of 1.2 radians from a point on the Colorado River. Measuring the angle of e

Nana76 [90]

Answer:

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Step-by-step explanation:

The solution diagram is attached below :

Converting radian measurement to degree :

radian angle * 180/π = degree angle

1.2 * 180/π = 68.755°

0.9 * 180/π = 51.566°

Height of dam is h:

Using trigonometry :

Tan θ = opposite / Adjacent

Tan 68.755° = h / x

h = x Tan 68.755° - - - (1)

Tan 51.566° = h / (155+x)

h = (155+x) tan 51.566° - - - (2)

Equate (1) and (2)

x Tan 68.755 = (155+x) Tan 51.566

x Tan 68.755 = 155tan 51.566 + x tan 51.566

x Tan 68.755 = 195.32311 + x Tan 51.566

x Tan 68.755 - x Tan 51.566 = 195.32311

x(tan 68.755 - tan 51.566) = 195.32311

x * 1.3120110 = 195.32311

1.3120110x = 195.32311

x = 195.32311 / 1.3120110

x = 148.87307

Using :

h = x Tan 68.755

h = 148.87307 * tan(68.755)

h = 382.92539

h = 382.925 feets

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3 years ago

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ANTONII [103]

Answer: (-4,5)

Step-by-step explanation:

Rotating 90 deg. counterclockwise maps (x,y) onto (-y,x), so (5,4) maps onto (-4,5).

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2 years ago

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Harman [31]

Answer:

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6/33 simplified to lowest terms is 2/11.

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