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chubhunter [2.5K]
3 years ago
15

tobey was making a train model using inches to represent the train's dimension in feet. he was using a scale factor of 1/4. if t

he real train was 26 feet long and 12 feet wide. what were the dimension of tobey's model?
Mathematics
1 answer:
love history [14]3 years ago
3 0

Answer:

Tobey's train model will have a length of 6.5 inches and a width of 3 inches.

Step-by-step explanation:

The scale factor is the ratio at which an object is represented in a drawing or model.

In this case, the units of the model are inches and the scale factor is 1/4.

This means that 1 feet of the real train will be represented in 1/4 inches of the model.

If we have a length of 26 feet, that would be represented in 26*1/4=6.5 in the model.

If we have a width of 12 feet, that would be represented in 12*1/4=3 in the model.

Then, Tobey's train model will have a length of 6.5 inches and a width of 3 inches.

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The missing term in the provided quadratic equation is 10x if the roots of a quadratic equation are 5 ± 3i.

<h3>What is a complex number?</h3>

It is defined as the number which can be written as x+iy where x is the real number or real part of the complex number and y is the imaginary part of the complex number and i is the iota which is nothing but a square root of -1.

The question is incomplete.

The complete question is in the picture, please refer to the attached picture.

We have the roots of a quadratic equation:

5 ± 3i

To find the quadratic equation:

(x - (5+3i))(x - (5-3i))

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The missing value is 10x

The quadratic equation is:

= x² -10x + 34

Thus, the missing term in the provided quadratic equation is 10x if the roots of a quadratic equation are 5 ± 3i.

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2 years ago
Is the Rule Number of Quality Management
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Answer:

13 is two and two thirds of four and seven eighths.

Step-by-step explanation:

To solve this, all you need to do is divide 13 by 2 and two thirds.  Let's do it:

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What are the coordinates of the imageof point A (2, -7) under the transalition (x,y) (x- 3, y 5)
jenyasd209 [6]

Answer:

The coordinates of the image of point A (2, -7) are A'(-1,-2).

Step-by-step explanation:

Note: The sign is missing between y and 5 in the rule of transitional.

Consider the rule of translation is

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We need to find the image of point A (2, -7).

Substitute x=2 and y=-7 in the above rule.

A(2,-7)\Rightarrow A'(2-3,-7+5)

A(2,-7)\Rightarrow A'(-1,-2)

Therefore, the coordinates of the image of point A (2, -7) are A'(-1,-2).

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