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Nadusha1986 [10]
3 years ago
13

The scatter plot shows the relationship between the number of car accidents in a month and the number of drivers attending a pro

gram on distracted driving. The equation represents the linear model for this data.   y=−0.67x+17  
What does the number -0.67 in the equation mean in this context?
 
The number of accidents was reduced by 0.67 per month for every additional driver in the program.
The number of accidents was reduced by 0.67 per month for every additional 100 drivers in the program.
There were 0.67 accidents per month.
The number of accidents increased by 0.67 per month for every additional 100 drivers in the program.
The number of accidents was reduced by 0.67 per month every month.
Mathematics
1 answer:
Dovator [93]3 years ago
8 0
For the answer to the question above, the relationship between the number of car accidents in a month and the number of drivers attending a program on distracted driving:y=−0.67x+17
-0.67 is the slope, it is negative so it is decreasing
this represents The number of accidents was reduced by 0.67 per month every month.
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Answer all a,b,c,d,f
leonid [27]

Evaluating all the given expressions using the standard order of operations is as below

How to Evaluate Algebra Expressions?

We are given that;

x = -2

y = -3

z = 5

A) The algebraic equation 2x + 3y + z gives;

2(-2) + 3(-3) + 5 = -5

B) x - y gives;

-2 - (-3) = 1

C) 2(x + y)/z gives;

2(-2 - 3)/5 = -2

D) 3x² - 2x + 1

f(-2) = 3(-2)² - 2x + 1

f(-2) = 17

E) 3y(x + x² - y)

3(-3)(-2 + (-2)² - (-3))

-9 * 5 = -45

F) -z²(1 - 2x)/(y - x)

Thus;

-5²(1 - 2(-2))/(-3 - (-2))

= 625

Read more about Algebra Expressions at; brainly.com/question/4344214

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7 0
2 years ago
Is -7+9= -9 + 7 true , false or open <br> PLEASE HELP ME
Yanka [14]
<span>-7+9= -9 + 7  is false
cause
-7 + 9 = 2
-9 + 7 = -2

2 can't equal -2</span>
4 0
3 years ago
A fence 8 ft tall runs parallel to a tall building at a distance of 4 ft from the building. What is the length of the shortest l
seraphim [82]
You first need to figure out if all the triangles are the same and multiply the hypotonus by 2 to get the length of the ladder
the length of the shortest ladder that will reach from the ground over the fence to the wall of the building would be :
16.65 Ft

i hope this helps you out
8 0
3 years ago
Find the maximum volume of a cylindrical soda can such that the sum of its height and its circumference is 120 cm.
Klio2033 [76]
The volume of such a can with base radius r and height h would be

V(r,h)=\pi r^2h


We desire the base's circumference and the can's height to add to 120, i.e.

2\pi r+h=120\implies h=120-2\pi r

Substituting this into V(r,h) allows us to reduce the volume to a function of a single variable r:

V(r,120-2\pi r)=V(r)=\pi r^2(120-2\pi r)=120\pi r^2-2\pi^2r^3

Taking the derivative with respect to r yields

V'(r)=240\pi r-6\pi^2r^2

Set this equal to 0 and find any critical points:

240\pi r-6\pi^2r^2=0\implies 6\pi r(40-\pi r)=0\implies r=0\text{ or }r=\dfrac{40}\pi

This suggests the can will have maximum volume when its radius is \dfrac{40}\pi\approx12.7 cm, which would give a volume of about 20,371 sq. cm.
7 0
4 years ago
Harold measures the heights in inches of the new plants that are growing in his greenhouse He records the lengths shown below an
tensa zangetsu [6.8K]

Answer:

The least value plotted on the line plot is 18.0

The greatest value plotted on the line plot is 22.0

The height of inches occurs the most often is 19.5 with 3 times

Step-by-step explanation:

A line plot is a graph that shows frequency (the number of times the data value occurs) of data along a number line.

The line plot has dots plotted on it over each value of the number line.

7 0
2 years ago
Read 2 more answers
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