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Andreyy89
3 years ago
6

3 Identify, if the question is

Mathematics
1 answer:
nlexa [21]3 years ago
3 0

Answer:

the question is nonstatistical.

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Is the relationship shown by the data linear? If so, model the data with an equation. x y –7 5 –5 9 –3 13 –1 17
diamong [38]

Given:

The table of values is:

x :     -7          -5         -3           -1

y :      5           9         13          17

To find:

Whether the given data is linear and then find the equation.

Solution:

The given data is linear if the slope and rate of change is constant.

Slope formula:

m=\dfrac{y_2-y_1}{x_2-x_1}

Using the slope formula. we get

\dfrac{9-5}{-5-(-7)}=2

\dfrac{13-9}{-3-(-5)}=2

\dfrac{17-13}{-1-(-3)}=2

Since the rate of change is constant, i.e., 2, therefore the given data is linear.

The slope of a linear equation is 2 and it passes through the point (-7,5). So, the equation of the line is:

y-y_1=m(x-x_1)

y-5=2(x-(-7))

y-5=2(x+7)

y-5=2x+14

Adding 5 on both sides, we get

y-5+5=2x+14+5

y=2x+19

Therefore, the equation for the given data is y=2x+19.

8 0
3 years ago
Identify the inequality that represents the following problem
ValentinkaMS [17]

Answer:

3n + 2 \geqslant 8

Step-by-step explanation:

2 more than 3 time mean 3n+2

"is atleast 8" means it can be 8 or more so c. is right answer

5 0
3 years ago
Explain how to model the division of –24 by –4 on a number line.
lianna [129]

Answer:

Here's one way to do it.

Step-by-step explanation:

-24 ÷ (-4)

-24 is the final number on the number line

-4 means you count by 4s on the number line moving backwards.

  1. Start at 0 facing forward.
  2. Move backwards in steps of four units from 0 to -24.
  3. Count the number of steps you took (six).

Answer: +6 (The sign is + because you are still facing forward).

8 0
3 years ago
Marion is driving between two towns that are close together. If she drives 1⁄5 the trip in 15 minutes, what is her rate per hour
netineya [11]

Answer:

4/5 in one hour

Step-by-step explanation:

15 minutes is 1/4 of an hour so all you need to do is multiply one 1/5 by four

tell me if im wrong plz

7 0
3 years ago
Read 2 more answers
Answers for these? Having trouble getting the concept so a step by step would be awesome.
jolli1 [7]

Answer: 2222

Step-by-step explanation: 2000+200+20+2 = 2222

6 0
3 years ago
Read 2 more answers
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