3 years ago

Calculate the area of the shaded sector.

Mathematics

1 answer:

KatRina [158]3 years ago

7 0

4.28 is your short answer but your complete answer is 4.28571428571

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From the top of an apartment building, the angle of depression to a car parked on the street below is 32 degree. The car is park

Citrus2011 [14]

Answer: The height of the building = 56 feet.

Step-by-step explanation:

Let AB be the height of the building and BC be the distance of the car from the building on the ground.

Now , ∠ C = 32° [Alternate interior angles ]

According to the trigonometry,

$\tan x =\dfrac{Perpenicular}{base}\\\\\Rightarrow\ \tan 32^{\circ} =\dfrac{AB}{90}\\\\\Rightarrow\ 0.6248693519=\dfrac{AB}{90}\\\\\Rightarrow\ AB = 90\times 0.6248693519=56.238241671\approx56$

Hence, the height of the building = 56 feet.

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3 years ago

13. Evaluate for a = -6 and b = -2. Find ab.

Vika [28.1K]

Solution:

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$a=-6,b=-2$ $ab=-6\times-2$ $ab=12$

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1 year ago

How to solve y = 8x - 9

Alex Ar [27]

Answer:

-72

Step-by-step explanation:

The answer is -72 because 8 * -9 = -72, I can't explain it to you any other way ;-;

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2 years ago

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$h(0)=3$

The diver begins 3 meters above the water

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1 year ago

Solve 12x+6 2 9x+ 12.

Nadusha1986 [10]

Assuming that there are plus signs between the 6, 2, and 9 the answer is 21x+20

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