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nataly862011 [7]
3 years ago
11

Plsss help me ( I put a picture up )

Mathematics
2 answers:
Artist 52 [7]3 years ago
6 0
Answer is the third one

The ratio of Dutch rabbits to all rabbits 5:8
Minchanka [31]3 years ago
3 0
I'm pretty sure the 3rd one is right, use a calculator
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to estimate the height of the jin mao tower in shanghai , a tourist sights the top of the tower form a mirror that is 86.7 meter
Ray Of Light [21]

Answer:

The height of the tower = 420.48 meters

Step-by-step explanation:

For better understanding of the solution, see the figure attached below :

Let the height of the tower be x meters

Now, using the laws of reflection : angle of reflection = angle of incidence

Also, both the tower and the tourist are standing parallel to each other

⇒ ∠A = ∠i ( Alternate interior angles are equal)

Similarly, ∠D = ∠r ( Alternate interior angles)

But, ∠i = ∠r

⇒ ∠A = ∠D

Also, the tourist and the tower is perpendicular to the ground surface.

⇒ m∠B = m∠E = 90°

Now, in ΔABC and ΔDEC

∠A = ∠D (Proved above)

m∠B = m∠E = 90°

So, by AA postulate of similarity of triangles, ΔABC ~ ΔDEC

As the sides of similar triangles are proportional to each other

\frac{AB}{DE}=\frac{BC}{EC}\\\\\implies\frac{1.92}{x}=\frac{0.4}{87.6}\\\\\implies x=\frac{87.6\times 1.92}{0.4}\\\\\bf\implies x = 420.48\textbf{ meters}

Hence, The height of the tower = 420.48 meters

5 0
3 years ago
A 4-column table with 5 rows. The first column is labeled age (years) with entries 1, 2, 3, 4, 5. The second column is labeled g
andreyandreev [35.5K]

Answer:

It is (3,0)

Step-by-step explanation:

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3 years ago
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What is 5x to the 6 power
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Answer:

25-60+36

Step-by-step explanation:

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3 years ago
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I need help with this problem
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Regular is
$97.99 after sale price is 83.30
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You can do it same way with B C and D
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3 years ago
Use estimation to solve 2, 697/9
kotegsom [21]
300 is the best answer plse make me brainliest

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3 years ago
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