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Karo-lina-s [1.5K]
4 years ago
13

Please help!! With number 1.

Mathematics
1 answer:
zhuklara [117]4 years ago
5 0

I solved this one for someone else yesterday this is what I have.  First find the factor of 1517 1,37,41,1517  So then we need 3 bills   20+20+1=41  1517/41=37 tickets   So each ticket $41

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Find dy/dx given that y = sin(cos(x))​
bazaltina [42]

Hi there!

\large\boxed{-sin(x)cos(cos(x))}

Use the chain rule:

f(g(x)) = f'(g(x)) · g'(x)

Thus:

dy/dx sin(x) = cos(x)

dy/dx cos(x) = -sin(x)

Use the chain rule format:

f(x) = sin(x)

g(x) = cos(x)

cos(cos(x)) · (-sin(x))

-sin(x)cos(cos(x))

5 0
3 years ago
Issac tosses a quarter off of a bridge, creating the shape of a parabola. The parabola can be represented by the equation h=-16t
andreyandreev [35.5K]

Answer:

Step-by-step explanation:

a) the equation representing the parabola is expressed as

h = -16t² - 4t + 20

c) to determine the height after 25 seconds, we would substitute 25 for t into the given equation. It becomes

h = -16(25)² - 4(25) + 20

h = - 10000 - 100 + 20

h = - 10080

d) when the coin lands on the ground, the height would be 0. Therefore,

-16t² - 4t + 20 = 0

Dividing both sides of the equation by 4, it becomes

- 4t² - t + 5 = 0

- 4t² - 5t + 4t + 5 = 0

- t(4t + 5) + 1(4t + 5) = 0

- t + 1 = 0 or 4t + 5 = 0

t = 1 or t = - 5/4

Since t cannot be negative, then t = 1 second

4 0
3 years ago
Goran bought a sofa on sale for $172.80. This price was 36% of the original price.
Yuri [45]
36% in decimal from it .36
172.80 + .36 = 173.16
So original price was 173.16
8 0
3 years ago
Read 2 more answers
use the subsitution method to slove the system of equations.Choose the correct ordered pair. x+3y=9 y=x-5
tankabanditka [31]
Answer : x= 6 , y=1
Explanation:
7 0
3 years ago
Read 2 more answers
How is the square root of 343 cubed 7?
Oksanka [162]
The square root of 343 is cubed 7 because 7x7x7 = 343
hope this helps
5 0
3 years ago
Read 2 more answers
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