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3 years ago

Either Table A or Table B shows a proportional relationship.

Mathematics

1 answer:

alex41 [277]3 years ago

4 0

Answer:

the answer is table B

Step-by-step explanation:

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Find the exact value by using a half-angle identity. tan seven pi divided by eight

murzikaleks [220]

9514 1404 393

Answer:

1 -√2

Step-by-step explanation:

$\tan(x/2)=\dfrac{1-\cos(x)}{\sin(x)}\\\\\tan\left(\dfrac{1}{2}\cdot\dfrac{7\pi}{4}\right)=\dfrac{1-\cos\dfrac{7\pi}{4}}{\sin\dfrac{7\pi}{4}}=\dfrac{1-\dfrac{1}{\sqrt{2}}}{-\dfrac{1}{\sqrt{2}}}=\boxed{1-\sqrt{2}}$

tan(7π/8) = 1 -√2

7 0

3 years ago

Please answer this <3

luda_lava [24]

Answer:

600 sq in

Step-by-step explanation:

5 0

3 years ago

Does 514, 684, 855 make a right triangle

Naily [24]

Answer:

No, it does not.

Step-by-step explanation:

This does not make a right triangle because in order to have a right triangle you must have 2 of the same numbers.

For example:

900, 800, 900 makes a right triangle

900, 800, 700 does not.

Hope this helped :D

5 0

3 years ago

ANSWER ALL FOR BRAINLIEST and lots of points with explanation !!!!ASAP!!

castortr0y [4]

Answer:

here you go

Step-by-step explanation:

20) 3125.76

do 4%*8= 0.32 then 0.32*9768=3125.76

21) Evan- 10%, Jordan-26%, Curt 64%

22) 22 votes (the answer would be 22.62 but you have to round down)

7 0

3 years ago

A film student wants to capture a shot of a satellite dish placed at the top of a building. The line of sight between the ground

ICE Princess25 [194]

The ground, the building and the line of sight between the ground camera and the top of the building form right triangle with hypotenuse equal to 45 feet and angle adjacent to this hypotenuse and ground - 50°. The building is an opposite leg to the given angle, then you should write sine function:

$\sin 50^{\circ}=\dfrac{height}{45} \\ \\ 0.766=\dfrac{height}{45}\\ \\ height=45\cdot 0.766=34.47$ .

The answer to the nearest tenth of a foot is 34.5 feet

6 0

3 years ago