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boyakko [2]
3 years ago
13

Answer question 12.Show your work.

Mathematics
2 answers:
Bumek [7]3 years ago
7 0

Answer:

315 miles

Step-by-step explanation:

450 (total miles) x (since they said "of", you multiple) 70% (amount completed) gives you 315 miles.

Elza [17]3 years ago
3 0

Answer:

So all they asking is 70% of 450mls

70/100 × 450

0.70 × 450

315

So they have travelled 315 miles

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The diagram shows two nested triangles that share a vertex.Find a center and a scale factor for a dilation that would move the l
nasty-shy [4]

Transformation that changes the size of a shape is referred to as dilation.

  • The scale factor that moves the large triangle to the small one is 1/5
  • The center of dilation is: (-1,1)

<u>The center of dilation</u>

From the diagram (see attachment), the triangles share a common vertex at (-1,1)

This means that, the center of dilation is (-1,1)

<u>The scale factor of dilation</u>

To do this, we divide the side length of the small triangle with the corresponding side of the large triangle.

From the attached image:

\mathbf{Base\ of\ small\ triangle = 1}

\mathbf{Base\ of\ large\ triangle = 5}

So, the scale factor (k) from large to small is:

\mathbf{k = \frac{Base\ of\ small\ triangle}{Base\ of\ large\ triangle} }

\mathbf{k = \frac{1}{5} }

Read more about dilation at:

brainly.com/question/13176891

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3 years ago
Factor completely 2x3 + 14x2 + 4x + 28.
Oxana [17]
6 + 28 + 4x +28

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Not quite sure if that was what you were looking for
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on the first day of the year, you have $700 in your bank account. you spend $35 per week. your friend starts the year with $450
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5weeks
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Sedbober [7]

Answer:

-4, -6, -3, -5, -1. The inequality solved for n is n ≥ -6.

Step-by-step explanation:

Substitute all the values in the equation.

n/2 ≥ -3

-10/2 ≥ -3

-5 is not ≥ -3.

n/2 ≥ -3

-7/2 ≥ -3

-3.5 is not ≥ -3.

n/2 ≥ -3

-4/2 ≥ -3

-2 is ≥ -3.

n/2 ≥ -3

-9/2 ≥ -3

-4.5 is not ≥ -3.

n/2 ≥ -3

-6/2 ≥ -3

-3 is ≥ -3.

n/2 ≥ -3

-3/2 ≥ -3

-1.5 is ≥ -3.

n/2 ≥ -3

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-4 is not ≥ -3.

n/2 ≥ -3

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n/2 ≥ -3

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-1 is ≥ -3.

To solve the inequality n/2 ≥ -3 for n, do these steps.

n/2 ≥ -3

Multiply by 2.

n ≥ -6.

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