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3 years ago

Hey can you help me fast!

Mathematics

2 answers:

iogann1982 [59]3 years ago

5 0

Answer:

29 square feet?

Step-by-step explanation:

yk im like 99.9% sure this is right, but that other 1% is just doubting me. So all I did to solve this was add up teh sides to find the perimeter of the shape, or in this case, the hole in the ground.

my answer is wrong d o. n o t. put my answer down

ololo11 [35]3 years ago

3 0

Sure what’s your problem

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3 years ago

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Answer:

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Step-by-step explanation:

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3 years ago

If sin square theta = 0.75, then cos =

sergeinik [125]

Answer:

$\cos\theta=\pm0.5$

Step-by-step explanation:

Given:

$\sin^2\theta=0.75$

To find $\cos\theta$

Using trigonometric relations for sums and differences of squares of the ratios.

We know:

$\sin^2\theta+\cos^2\theta =1$

Plugging in $\sin^2\theta=0.75$ in the above relation.

$0.75+\cos^2\theta =1$

Subtracting both sides by 0.75.

$0.75+\cos^2\theta-0.75 =1-0.75$

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Taking square root both sides.

$\sqrt{\cos^2\theta} =\sqrt{0.25}$

∴ $\cos\theta=\pm0.5$ (Answer)

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3 years ago

Vilka [71]

Answer:

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Step-by-step explanation:

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3 years ago

How to figure out algebraic probles with 2 x?

Sedaia [141]

Okay Let's say
2x + 3 = 45
-3 -3
----------------
2x = 42
--- ---
2 2 x = 21

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3 years ago