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Murljashka [212]
3 years ago
10

ANSWER ASAP! WILL

Mathematics
1 answer:
STALIN [3.7K]3 years ago
7 0

Answer:

i depends on what the equation is.

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For what values of k
sergey [27]

If y = cos(kt), then its first two derivatives are

y' = -k sin(kt)

y'' = -k² cos(kt)

Substituting y and y'' into 49y'' = -16y gives

-49k² cos(kt) = -15 cos(kt)

⇒   49k² = 15

⇒   k² = 15/49

⇒   k = ±√15/7

Note that both values of k give the same solution y = cos(√15/7 t) since cosine is even.

3 0
2 years ago
I need help. <br> The question is in the picture
Rudik [331]

Answer: In attached

Step-by-step explanation:

Use the given functions to set up and simplify

Attachment has your answer.

I’m not good at typing functions on this app so this image is all I could give.

3 0
2 years ago
Read 2 more answers
Find the surface area of this triangular prism. Be sure to include the correct unit in your answer.
Vladimir [108]

Answer:

270 yds squared    

Step-by-step explanation:

You need to area of each of the shapes that make up the triangular prism. So, the side triangles, the back rectangle, the bottom rectangle and the top rectangle.

Side triangle (1x): base*height/2

12*5/2

60/2

30 yds, 60 yds for both sides.

Back rectangle: length*width

5*7

35 yds

Bottom Rectangle: length*width

7*12

84 yds

Top rectangle: length*width

7*13

91 yds.

To get the final answer, you add the surface areas together to get the final amount of yards: 30+30+35+84+91= 270 yds squared. Hope this helps.

5 0
2 years ago
Ok theres two questions I need the equation and answer. Please help!!
miv72 [106K]
Slope Intercept: Y=mx + b

1. Y= -2/3x + -4

2. Y= 1/3x + 7
3 0
3 years ago
Read 2 more answers
Find f(-5) if f(x) = Ix+1I​
gulaghasi [49]

Answer:

x = 4

Step-by-step explanation:

f(x) = I  x+1 I ​

when x = -5

f(-5) = I  (-5) +1 I

= I  -5+1 I ​

= |-4|

= 4

3 0
3 years ago
Read 2 more answers
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