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Ronch [10]
3 years ago
7

Please answer these 3 questions there easy 30 points and brainliest.

Mathematics
1 answer:
irina1246 [14]2 years ago
8 0

Answer:

4) 100 ounces

5:

a) 377.6

b) 7.084

c)1,107.6

d) 680.8

6) 8.9207 percent

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If f(x)=4x-11 what is the value of f(5)
Annette [7]

f(5) = 4(5) - 11

f(5) = 20 - 11

f(5) = 9

The answer is 9 :)

Please give BRAINIEST :)

Thanks

5 0
3 years ago
Read 2 more answers
PLEASE HELP!
Aleksandr-060686 [28]

The equation of the function f(x) is f(x) = 2 sin(π/2(x + 6)) - 3

<h3>How to create the sine function?</h3>

A sine function is represented as:

f(x) = A sin(B(x + C)) + D

Where

A = Amplitude

Period = 2π/B

C = Phase shift

D = Vertical shift

The requirements in the question are:

  • Amplitude not equal to 1
  • Period not equal to 2π
  • Non-zero phase and vertical shifts

So, we can use the following assumptions

A = 2

Period = 4

C = 6

D = -3

So, we have:

f(x) = 2 sin(B(x + 6)) - 3

The value of B is

4 = 2π/B

This gives

B = π/2

So, we have:

f(x) = 2 sin(π/2(x + 6)) - 3

<h3>The amplitude, vertical shift, period of f(x)and the phase shift</h3>

Using the representations in (a), we have:

  • Amplitude = 2
  • Vertical shift = -3
  • Period = 4
  • Phase shift = 6

<h3>The graph of the function</h3>

See attachment for the graph of f(x)

<h3>The value of cos θ </h3>

Let θ = 3π

So, we have:

cos(3π)

This is calculated as:

cos(3π) = cos(2π + π)

Expand

cos(3π) = cos(2π) *cos(π) - sin(2π) *sin(π)

Evaluate

cos(3π) = -1

<h3>The value of sin θ </h3>

Let θ = 3π

So, we have:

sin(3π)

This is calculated as:

sin(3π) = sin(2π + π)

Expand

sin(3π) = sin(2π) *cos(π) + cos(2π) *sin(π)

Evaluate

sin(3π) = 0

<h3>The value of tan 2θ </h3>

Let θ = 3π

So, we have:

tan(2 * 3π)

tan(6π)

This is calculated as:

tan(6π) = tan(3π + 3π)

Evaluate

tan(3π) = 0

Read more about sinusoidal functions at:

brainly.com/question/10700288

#SPJ1

6 0
1 year ago
Can someone please help me with this
Dmitry [639]
The answer to your problem (or what i got) was 34u^2(34units squared)
6 0
3 years ago
How do you write 0.5 as a percentage?​
Assoli18 [71]
The answer would be 50%
5 0
2 years ago
If Stephanie sells 3 necklaces, she earns a profit of is $10. Five necklaces sold gives her a profit of $15 and six necklaces so
mezya [45]

the answer is not proportionate.

4 0
3 years ago
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