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swat32
4 years ago
5

A model of the is 2.9 ft tall and 1.2 ft wide. The Eiffel Tower is actually 410 ft wide. What is the actual height of the Eiffel

Tower?
Mathematics
2 answers:
natima [27]4 years ago
7 0
\bf \cfrac{height}{width}\qquad \stackrel{model}{\cfrac{2.9}{1.2}}\qquad \stackrel{actual}{\cfrac{x}{410}}\qquad \qquad \cfrac{2.9}{1.2}=\cfrac{x}{410}\implies \cfrac{2.9\cdot 410}{1.2}=x
const2013 [10]4 years ago
7 0

Answer:

<h2><em>its </em><u><em>B)990.8 ft</em></u></h2>

Step-by-step explanation:

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How many 8's are in the answer and sum 5890/45?
Simora [160]

Answer:

  It depends on how you write it.

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  • 130.88888888888... -- an infinite number of 8s

Step-by-step explanation:

The quotient 5890/45 has a value of 130 8/9. The fraction 8/9 is the repeating decimal 0.888888..., which has as many 8s as you want to write. It can be abbreviated to have just one 8 when written like this:

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The quotient can be written with as many 8s as you like.

6 0
4 years ago
Prove (correctly) that if 1 = -1, then 2=1
Nitella [24]

Answer:

This may not be entirely satisfied proof but you should get the idea.

Proof: Start with 1 = -1.

Then we know that if a= b then a + c = b + c and also a / c = b / c.

So we can add 1 to both sides.

We have 1 + 1 = -1 + 1   ⇒   2 = 0.

Now divide both sides by 2 and we would have 1 = 0.

Now add both sides by 1. This yields 2 = 1.

Therefore if 1 = -1 then 2 = 1.

QED

6 0
3 years ago
ABCD is an 8 by 6 rectangle. AC is a diagonal with length 10. Point E is on AC such that BE is perpendicular to AC . What is the
anyanavicka [17]

Answer:

The length of BE is 5 units.

Step-by-step explanation:

ABCD is rectangle

AC is a diagonal and BD is a diagonal too.

Diagonals of rectangle are equal and bisect each other perpendicularly.

So, AE = BE

AE = 1/2 × AC

= 1/2 × 10

= 5

BE = 5

Hence the length of BE is 5 units.

4 0
2 years ago
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