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Reika [66]
3 years ago
14

Find the area of the shaded triangle, if the side of each square is 1 unit long.

Mathematics
1 answer:
Vedmedyk [2.9K]3 years ago
8 0

Answer:

10 units²

Step-by-step explanation:

The shape is a triangle.

The area can be found by multiplying the base (in units) with height (in units) divided by 2.

base = 4 units

height = 5 units

\frac{4 \times 5}{2}

\frac{20}{2}  =10

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Select the correct answer.
Pavlova-9 [17]

Answer:

\log_{3} ({5\sqrt{x}} * y ) = \log_{3}({5) + \log_{3}(\sqrt{x}) +\log_{3}( y )

Step-by-step explanation:

Given

\log_{3} ({5\sqrt{x}} * y )

Required

Write as sum or difference

Using addition law of logarithm, the equation becomes:

\log_{3} ({5\sqrt{x}} * y ) = \log_{3}({5\sqrt{x}) +\log_{3}( y )

Expand

\log_{3} ({5\sqrt{x}} * y ) = \log_{3}({5 * \sqrt{x}) +\log_{3}( y )

Apply addition law

\log_{3} ({5\sqrt{x}} * y ) = \log_{3}({5) + \log_{3}(\sqrt{x}) +\log_{3}( y )

4 0
2 years ago
John is looking up at the top of the Empire State Building from 1 mi. away and measures the angle of elevation to be 11 degrees.
torisob [31]

Refer to the attached image.

Let the height of the Empire State Building = BC = 'x'

John is standing at distance from Empire State Building = AB = 1 mile

The angle of elevation = 11°

In triangle ABC,

Consider \tan 11^{\circ}= \frac{Perpendicular}{Base}

\tan 11^{\circ}= \frac{BC}{AB}

\tan 11^{\circ}= \frac{x}{1}

0.194= \frac{x}{1}

x = 0.194 mile

Since 1 mile =5280 feet

So, x = 0.194 \times 5280

= 1024.32 feet.

So, the height of the Empire State Building is 1024.32 feet.

8 0
3 years ago
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Lelu [443]
You should use this app called desmos to solve this but its the last option
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Answer:

Step-by-step explanation:

3 0
2 years ago
Juanita has 16 model cars and 48 model trains. What is the ratio of the wmber of trains to the member of cars?
svetoff [14.1K]

Answer:

1:3

Step-by-step explanation:

but thats not and answer

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2 years ago
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