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PIT_PIT [208]
3 years ago
9

Malachi works out on a stair-stepping machine.

Mathematics
1 answer:
givi [52]3 years ago
5 0
The independent variable would be how long he works out and the dependent variable would be how many calories he burns
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Write an equation in slope-intercept form for the line that has the given slope and contains the point. Please show some work.(
zavuch27 [327]

Answer:

An equation in the slope-intercept form will be:

y=\frac{-1}{2}x+0

Step-by-step explanation:

Given the points

  • (4,-2)
  • (2,-1)

Finding the slope between points

\mathrm{Slope}=\frac{y_2-y_1}{x_2-x_1}

\left(x_1,\:y_1\right)=\left(4,\:-2\right),\:\left(x_2,\:y_2\right)=\left(2,\:-1\right)

m=\frac{-1-\left(-2\right)}{2-4}

m=-\frac{1}{2}

We know that the slope-intercept form of the line equation is

y=mx+b

where m is the slope and b is the y-intercept.

substituting the values m=-1/2 and the point (4, -2) to determine the y-intercept i.e. 'b'.

y=mx+b

-2=\frac{-1}{2}\left(4\right)+b

-2+b=-2

b=0

substituting the values m=-1/2 and b=0 to determine the line equation in slope-intercept form

y=mx+b

y=\frac{-1}{2}x+0

Thus, an equation in the slope-intercept form will be:

y=\frac{-1}{2}x+0

8 0
3 years ago
Out of a group of 20 ​volunteers, 11 people are chosen to participate in a survey about the number of miles they drive to work e
slamgirl [31]

Answer:

11 persons chosen to participate in the survey

Step-by-step explanation:

A certain fraction or percentage of subjects or persons drawn randomly from a larger population is called a sample. A randomly selected set of sample will be representative of the population especially when it is impossible for the whole population to participate in the study. In the scenario above, the population or larger group would be the set of volunteers. The actual number of people chosen from the group of volunteers to participate in the survey is the sample, which are the 11 people chosen from the volunteers.

8 0
3 years ago
There are 240240 students in a marching band. If the director wants the band to march in 4040 equal rows, which equation could b
Kobotan [32]
240,240 is a lot of students for a marching band!

lets use S as a variable for students

s=240/40

240/40

s=6

So there would be 6 students in each row. 
5 0
4 years ago
Read 2 more answers
Find the area of the shape help
shepuryov [24]

Answer:

87cm

Step-by-step explanation:

5*10=50

3*10=30

2.5*6=15-(5+3)=7

50+30+7=87cm

5 0
3 years ago
What is the slope of the line that passes through the points (14, 5) and (20, –4)? A. -3/2 B. -2/3 C. 2/3 D. 3/2
Lynna [10]
The slope of the line that passes through the points (14/5) and (20, -4), so you take y-y/x-x so you substitute the y's in for 5 and -4 and x in for 14 and 20.

5--4/ 14-20
9/-6
Then you make the fraction smaller! 
-3/2 = Answer <span />
6 0
4 years ago
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