2 years ago

Solve the equation: 10^5÷10^3 = _____

Mathematics

1 answer:

KIM [24]2 years ago

3 0

Answer:

100

Step-by-step explanation:

10^5= 100,000

10^3= 1,000

100,000÷1,000= 100

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A source of laser light sends rays AB and AC toward two opposite walls of a hall. The light rays strike the walls at points B an

____ [38]

Answer: 70 meters.

Step-by-step explanation:

Observe the figure attached.

The distance between the walls is:

$DE=AD+AE$

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Both triangles are right triangles. Therefore, you can calculate the distance between the walls as following:

- Calculate the distance AD:

$cos\alpha=\frac{adjacent}{hypotenuse}\\\\cos(60\°)=\frac{AD}{60}\\AD=30m$

- Calculate the distance AE:

$tan\beta =\frac{opposite}{adjacent}\\\\tan(45\°)=\frac{40}{AE}\\\\AE=\frac{40}{tan(45\°)}\\\\AE=40m$

Therefore the distance between the walls is:

$DE=30m+40m=70m$

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3 years ago

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Solve for P<br><br> I am so confused

Jlenok [28]

Answer:

3q/2

Step-by-step explanation:

3p+3q=p

2p=-3q

p=-3q/2

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2 years ago

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The landscaper charges a rate of $40 per hour to plant trees.

Wittaler [7]

Answer:

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Step-by-step explanation:

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2 years ago

Which of these lines is perpendicular to the line 3y = -2x + 5?

lesya [120]

Answer
Option C. 2y=3x+2

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2 years ago

What are the coordinates of the terminal point determined by θ=7π/6?

erma4kov [3.2K]

Cos ( theta ) = cos 7π/6 = -√3/2
sin ( Theta ) = sin 7π/6 = -1/2
Coordinates of the terminal points are: ( -√3/2, -1/2 )

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3 years ago