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lesya692 [45]
2 years ago
13

Someone help me with these

Mathematics
1 answer:
Oksana_A [137]2 years ago
6 0

Step-by-step explanation:

please give me brainlest

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Laura works at a coffee shop. Her boss has asked that she write down how many minutes each of the next 10 orders take to make. H
ASHA 777 [7]

Answer:

4

Step-by-step explanation:

6+2+4+2+2+7+5+6+3+3=40

40/10=4

Therefore the mean is 4

8 0
3 years ago
Find the slope of the line through the points (-9, 19) and (-13, 11).
Sidana [21]

Answer:

slope is 2

Step-by-step explanation:

slope is m= y2-y1/x2-x1= 19-11/-9+13= 8/4=2

8 0
3 years ago
1. A sine function has the following key features
strojnjashka [21]

Answer:

1) y= 2sin(\frac{1}{2}x) + 2

2) y= 3sin(\frac{\pi}{2}x)-1

3) y= 2sin(2x) -2

Step-by-step explanation:

General form of sin function is

y= Asin(Bx) + C

Where A is Amplitude

B is \frac{2\pi}{\text{Period}}

C is Mid line

1) Given : A sine function has the following key features  

Frequency = \frac{1}{4\pi}

Period is P=\frac{1}{f}=\frac{1}{\frac{1}{4\pi}}=4\pi

Amplitude= 2

Mid line y= 2

Y intercept (0,2)  

This function is NOT a reflection of its parent function of the x-axis

Solution : We put the value in the general form of sin function

A= 2 ,  B=\frac{2\pi}{4\pi}=\frac{1}{2} , C=2

y= Asin(Bx) + C

y= 2sin(\frac{1}{2}x) + 2

2) Given : A sine function has the following key features  

Period = 4

Amplitude = 3

Mid line y = -1

Y intercept (0,-1)

Solution : We put the value in the general form of sin function

A= 3 ,  B=\frac{2\pi}{4}=\frac{\pi}{2} , C=-1

y= Asin(Bx) + C

y= 3sin(\frac{\pi}{2}x)-1

3) Given : A sine function has the following key features  

Period = \pi

Amplitude = 2

Mid line y = -12

Y intercept (0,-2)

Solution : We put the value in the general form of sin function

A= 2 ,  B=\frac{2\pi}{\pi}=2 , C=-2

y= Asin(Bx) + C

y= 2sin(2x) -2

5 0
3 years ago
Please help me with this question
lina2011 [118]

Step-by-step explanation:

1. 120+21 =141

2. 21-3=18

3. 7x-21

4. 4x+20

5. 45+100=145

6. 40+5c

7. 20+22r+26s

Im not too sure about the other question

7 0
3 years ago
identify a horizontal or vertical stretch or compression of the function f(x)=x^2 by observing the equation of the function g(x)
Tanzania [10]
Dentify<span> a </span>horizontal<span> or </span>vertical stretch<span> or </span>compression<span> of the</span>function<span> ƒ(</span>x<span>) = x2 by </span>observing<span> the </span>equation<span> of the </span>function g(x) = (9x)2<span>. ... </span>2<span>Answers. 0 votes. Let </span>f<span> (</span>x<span> ) is a </span>function<span> and c be a positive real number, the graph of the </span>function g<span> (</span>x<span> ) = </span>f<span> (c</span>x<span> ) is represented as follows. when, c > 1, the </span>function<span> .</span>
8 0
3 years ago
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