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2 years ago

Someone help mehhhh the image is the question

Mathematics

1 answer:

Veronika [31]2 years ago

8 0

9514 1404 393

Answer:

yes
LA; ΔBDA ≅ ΔBDC

Step-by-step explanation:

Segment BD is a leg of the right triangles. It is congruent to itself (whether or not it is marked). Angles A and C are <em>corresponding</em> acute angles in the right triangles. They are marked as congruent to each other.

The triangles are congruent by the LA theorem, applicable to right triangles. The congruency statement can be written as ...

ΔBDA ≅ ΔBDC

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Help plss I will mark brain liest

djyliett [7]

Answer:

2π

Step-by-step explanation:

Period is the time it takes for the wave to reach one full cycle, which is the distance between the adjacent crests. The first crest is at 0 and the second crest is at 2π. Therefore, it takes 2π seconds to complete a full cycle. Hope this helps!

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2 years ago

Write 3 decimals less than 0.85

-Dominant- [34]

Hello!

Three decimals less then 0.85 are:

1) 0.4

2) 0.5

3) 0.6

I hope it helps!

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2 years ago

Read 2 more answers

Someone Please help!!

Lerok [7]

I just can help u with
D: all real numbers
R: [3,infinity)
y -intercept :(0,4)
max.: none
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2 years ago

Find an exact value.<br><br> <img src="https://tex.z-dn.net/?f=cos%28-%20%5Cfrac%7B%20%5C77%20%5Cpi%20%20%20%20%7D%7B12%7D%29%20

xxTIMURxx [149]

$\cos\left(-\dfrac{7\pi}{12}\right)=\cos\dfrac{7\pi}{12}$

Recall that

$\cos^2x=\dfrac{1+\cos2x}2$

Let $x=\dfrac{7\pi}{12}$ , so that

$\cos^2\dfrac{7\pi}{12}=\dfrac{1+\cos\dfrac{7\pi}6}2=\dfrac{1-\dfrac{\sqrt3}2}2=\dfrac{2-\sqrt3}4$
$\cos\dfrac{7\pi}{12}=\pm\sqrt{\dfrac{2-\sqrt3}4}=\pm\dfrac{\sqrt{2-\sqrt3}}2$

Since the angle $\dfrac{7\pi}{12}$ lies in the second quadrant, you know that the cosine must be negative, so

$\cos\dfrac{7\pi}{12}=-\dfrac{\sqrt{2-\sqrt3}}2$

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2 years ago

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Evgesh-ka [11]

Answer:

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Step-by-step explanation:

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2 years ago