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2 years ago

On a scale drawing a door that is 7 feet tall is drawn 2 inches tall. In this scale, 1 inch is equal to how many feet?

Mathematics

2 answers:

Cloud [144]2 years ago

8 0

Answer:

4.5 ft

Step-by-step explanation:

7/2=4.5

kifflom [539]2 years ago

7 0

Since the drawing of the door is 7 feet tall and it is draw 2 inches tall you would do
7/2
4.5

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Round to the nearest foot

scoundrel [369]

Answer:

347.2 ft ≈ c

Step-by-step explanation:

*The nearest tenth of a foot is 347.2 ft.

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3 years ago

Compare and Contrast how you would factor x^2−9 and x^2+9. For full credit, make sure you explain why they are factored differen

marishachu [46]

The factored form of the expression $x^2 - 9$ is $(x+3)(x-3)$

The expression x^2 + 9 has no real roots hence cannot be factored

Quadratic equations are equations with a degree of 2.

Given the quadratic function $x^2-9 \ and \ x^2+9$

For the function $x^2 - 9$

$=x^2-9\\=x^2-3^2$

Using the difference of two squares:

$a^2-b^2=(a-b)(a+b)\\x^2-3^2=(x-3)(x+3)$

For the expression x^2 + 9

The expression x^2 + 9 has no real roots hence cannot be factored

Learn more on factorization here: brainly.com/question/20293447

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3 years ago

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My name is Ann [436]

Excuse me, is this I ready because you know you can get reported right... just try your best, it's not a real grade! :)

& possibly delete this question because a bot can track and report this to your school. People at my school did that and got in 3 days detention...

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3 years ago

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Lelu [443]

Answer:

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3 years ago

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docker41 [41]

I think the answer is c

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3 years ago