3 years ago

(76-x+(17+4x)(25+7x)

Mathematics

2 answers:

daser333 [38]3 years ago

8 0

I believe this is correct

Ivanshal [37]3 years ago

4 0

Answer:

Idk

Step-by-step explanation:

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3 years ago

Lin has a scale model of a modern train. The model is created at a scale of 1 to 48. The height of the model train is 102 millil

valina [46]

Answer:

The actual height is 4.896 m

Step-by-step explanation:

Given

$Ratio= 1 : 48$

$Scale\ Height = 102mm$

Required

Determine the actual height in metres

Represent the actual height with x.

So, the ratio of Scale Height to Actual Height as:

$Ratio = 102mm : x$

To calculate x, both ratios must be equal

$1 :48 = 102mm:x$

Convert to fraction

$\frac{1}{48} = \frac{102mm}{x}$

Cross Multiply

$x * 1 = 48 * 102mm$

$x = 4896mm$

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$x = 4896 * 0.001m$

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<em>The actual height is 4.896 m</em>

4 0

3 years ago

(76-x+(17+4x)(25+7x)​

(76-x+(17+4x)(25+7x)