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lara31 [8.8K]
3 years ago
11

Simplify

Mathematics
2 answers:
weeeeeb [17]3 years ago
3 0
The answer is A !! Did it step by step , don’t forget to put a brainliest if you can ;)

lana66690 [7]3 years ago
3 0

Answer:

A

Step-by-step explanation:

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The equation of motion for a particle in meters at time t seconds is s(t)=sin(pi(t)/6)+cos(pi(t)/6), 0 is less then/equal to t i
Trava [24]
S(t) = sin(πt/6) + cos(πt/6)
Velocity = s'(t) = π/6 (cos(πt/6) - sin(πt/6))

When velocity = 0
cos(πt/6) - sin(πt/6) = 0
cos^2(πt/6) -2cos(πt/6) sin(πt/6) + sin^2(πt/6) = 0
1 - 2cos(πt/6) sin(πt/6) = 0
1 - sin(πt/3) = 0
sin(πt/3) = 1
πt/3 = arcsin(1) = π/2
t = 1.5

acceleration = s''(t) = -(π/6)^2 (cos(πt/6) + sin(πt/6))
s''(1.5) = -(π/6)^2 (cos(π/4) + sin(π/4)) = -(π/6)^2 (2/√2) = -0.3877
accerelation = -0.3877 meter/s^2
7 0
3 years ago
Please help meeee mmmm
Lapatulllka [165]

three=3\\\\seven\ eighths=\dfrac{7}{8}\\\\3\dfrac{7}{8}=\dfrac{3\cdot8+7}{8}=\dfrac{24+7}{8}=\dfrac{31}{8}\\\\Answer:\ \boxed{\dfrac{31}{8},\ 3\dfrac{7}{8}}

8 0
3 years ago
The aspect ratio of a TV screen is the ratio of the width to the height of the image. A regular TV has an aspect ratio of 16: 9.
ki77a [65]

Answer:

Width = 44.45 inches

Height = 25.00 inches

Step-by-step explanation:

(16x)^2 + (9x)^2 = 51^2

256x^2 + 81x^2 = 2601

337x^2 = 2601

x^2 = 7.718

x = 2.778

Width = 44.45 inches

Height = 25.00 inches

I think this is right

7 0
3 years ago
How do I find the answer to this problume−9−13+2+13minus, 9, minus, 13, plus, 2, plus, 13.
Whitepunk [10]

Answer:

Answer: 12

Step-by-step explanation:

4 0
2 years ago
Read 2 more answers
Hey if you could help me with this it'd mean a lot I can't figure it out
Blababa [14]

Answer:

L = 12  S = 5

Step-by-step explanation:

L+S=17

3L+2S=46

Multiply the first equation by -2

-2L -2S = -34

Then add it to the second equation

-2L -2S = -34

3L+2S=46

------------------

L = 12

Now we can find S

L+S = 17

12 + S = 17

Subtract 12 from each side

S = 17-12

S = 5

6 0
3 years ago
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