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wel
3 years ago
13

{(-1, 4), (-1,9), (-1; 15), (-1,0)} D = R= Function? Please help

Mathematics
1 answer:
tatiyna3 years ago
4 0
D= {-1}
R= {4,9,15,0}
Function? No, the relation is not a function.
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At takeoff a plane flies at an angle of 10 degrees with the runway. After it has traveled a ground distance of 2,800 ft. Find th
Sonja [21]
<h2>Vertical distance gained from takeoff is 493.72 ft</h2>

Step-by-step explanation:

Refer the figure.

Horizontal distance = AB = 2800 ft

Angle = ∠B = 10°

We need to find AC that is h.

We have

              tanB=\frac{AC}{AB}\\\\tan10=\frac{h}{2800}\\\\h=2800\times tan10=493.72ft

Vertical distance gained from takeoff = 493.72 ft

4 0
3 years ago
Standard form 3x+12y=-8 in slope-intercep form​
Helga [31]

Answer:

y = -\frac{1}{4} x-\frac{2}{3}

Step-by-step explanation:

slope intercept form is y = mx + b

You need to solve the equation for y. First, subtract 3x from both sides since it is a positive 3x.

3x - 3x + 12y = -8 - 3x

rewrite the equation

12y = -3x - 8

divide all terms by 12

12y/12 = -3x/12 -8/12

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y = -\frac{1}{4} x-\frac{2}{3}

4 0
2 years ago
Which of these is a two-step equation?
Aleksandr [31]

Answer: I believe is C

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3 0
3 years ago
Read 2 more answers
The two-way frequency table below shows data on playing a sport and playing a musical instrument for students in a class.
ValentinkaMS [17]

Here is the completed table:

                                                           Plays a sport      Doesn't play a sport

Plays a musical instrument                  0.46                         0.54

Doesn't play a musical instrument       0.73                          0.27

<h3>What are the row frequencies?</h3>

Relative frequency measures how often a value appears relative to the sum of the total values.

                                                    Plays a sport              Doesn't play a sport

Plays a musical instrument              (6/13)  = 0.46                   (7/13)  = 0.54

Doesn't play a musical instrument       (8/11) 0.73                       (3/11) =0.27

To learn more about relative frequency, please check: brainly.com/question/26577861

#SPJ1

6 0
2 years ago
What is the greatest common factor of 10 and 3? i dont get this i have a math touter that wont really help and i still dont unde
Alexxandr [17]

Answer:

1

Step-by-step explanation:

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factors of 10 are 1, 2, ,5, 10

factors of 3 are 1, 3

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the greatest common factor is 1

6 0
2 years ago
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