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3 years ago

What is the answer to question 3. Letter A?

Mathematics

2 answers:

tia_tia [17]3 years ago

7 0

The answer is a bar graph because a bar graph is used to measure more than one thing. In this case, each bar would represent each species of birds, x would represent the years and y would represent the number of birds.

lutik1710 [3]3 years ago

6 0

Your answer should be Line Graph.

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The following chart shows the number of rows in an auditorium and the total number of seats. What equation defines the number of

Anastaziya [24]

Answer:

<em>Answer: c) S=20R+60</em>

Step-by-step explanation:

<u>Linear Model</u>

The chart supplied shows the number of rows (R) in an auditorium and the total of seats (S).

We'll find the equation that relates them. The equation of a line can be expressed in the slope-intercept form:

S = mR + b

Where m is the slope and b is the intercept.

The slope is found by:

$\displaystyle m=\frac{S_2-S_1}{R_2-R_1}$

We'll use two sample points (20,460) and (45,960):

$\displaystyle m=\frac{960-460}{45-20}=\frac{500}{25}$

m = 20

The value of b can be found by using one of the points, for example (20,460), and having m=20:

460 = 20*20 + b

Thus: b = 460 - 400 = 60.

The equation is:

S = 20R + 60

You can test the other points and check they belong to the same line.

Answer: c) S=20R+60

5 0

3 years ago

Write a linear equation. Explain it in number please! 20 points!!!

juin [17]

To find a linear question, we must have two points on the line and we must know the slope.

Let us choose two points at random:

(-6,12) and (-5,14)

Now let us find the slope of the linear line:

$m = \frac{y2-y1}{x2-x1} =\frac{14-12}{-5--6} = 2$

So the slope is 2.

Now let us set up the equation which now requires only one point and the slope

let us use the point (-6,12) and the slope of 2

$y-12 = 2(x+6)\\y = 2x +12 +12\\y= 2x +4$

So the linear line is y = 2x + 4.

Hope that helps!

8 0

2 years ago

Can someone please rotate this 180 degrees??

Verdich [7]

Orange is the shape rotated 180 degrees

3 0

3 years ago

Read 2 more answers

Mrs. Taylor made 67 tissue holders each day. She decided to sell her tissue holders and sold out each day for four weeks. How ma

poizon [28]

Answer:

the answer would be A

Step-by-step explanation:

3 0

3 years ago

Triangles PQR and SQT are similar triangles.

aleksklad [387]

Answer:

The side lengths of similar triangles are proportional

Step-by-step explanation:

8 0

3 years ago