3 years ago

Tona

Mathematics

1 answer:

ExtremeBDS [4]3 years ago

8 0

Answer:

bro what

Step-by-step explanation:

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Math question: 1 1/2x=6

galina1969 [7]

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um I pretty sure that's the answer but i could be wrong

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2 years ago

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patriot [66]

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The answer is D

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The speed goes up, and so does the time

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3 years ago

An architect is designing a department store. She wants to add an escalator. She knows that the escalator will make a 30° angle

lbvjy [14]

As per the problem

The escalator make a 30° angle with the floor .

The escalator have a vertical height of 36 feet.

Now draw the diagram with the given information, the diagram is attached below

From the diagram,

Horizontal length=AB=d

Distance traveled by the person on the escalator stairs=AC=l

In triangle ABC,

$tan30=\frac{36}{d}\\ \\ \frac{1}{\sqrt{3}} = \frac{36}{d}\\ \\ d=36\sqrt{3} \\$

Again in triangle ABC, Using Pythagoras Theorem

$AC^2=AB^2+BC^2\\ \\ l^2=36^2+(36\sqrt{3})^2\\ \\ l=\sqrt{36^2+(36\sqrt{3})^2} \\ \\ l=\sqrt{5184} =72\\$

The horizontal length needed is $36\sqrt{3} ft$

The distance a person would travel on the escalator stairs is 72 ft

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3 years ago

What the answer to simplifying( 6 to the power of negative 2) by (3 to the power of negative 3) and (3•6) to the power of 4

masya89 [10]

6^-2 = 36. 3^-3 =-27. 3*6^4 = 3888

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3 years ago