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elena-s [515]
2 years ago
9

Which of the following situations have a net sum of 0? Select three that apply.

Mathematics
2 answers:
statuscvo [17]2 years ago
7 0

Answer:

B,C,E

Step-by-step explanation:

Done this before. A is the first and so on and so forth

Paraphin [41]2 years ago
3 0
B,C.E
Because I just read someone else say it
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Write the equation of a line perpendicular to 2x + 3y = 4 and passing through (-3,-5).
Tasya [4]

Answer:

Step-by-step explanation:

A line perpendicular to the given line has a slope that is the negative inverse of the reference line.  

Rewrite the given equation in the format of y=mx+b, where mi is the slope and b is the y-intercept (the value of y when x = 0.

2x + 3y = 4

3y=-2x+4

y = -(2/3)X + (4/3)

The reference slope is -(2/3).  The negative inverse is (3/2), which will be the slope of a perpendicular line.  We can write the new line as:

y = (3/2)x + b

Any value of b will still result in a line that is perpendicular.  But we want a value of b that will shift the line so that it intersects the point (-3,-5).  Simply enter this point in the above equation and solve for b.

y = (3/2)x + b

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

-5 = -(9/2) + b

-5 = -4.5 + b

b = - 0.5

The equation of the line that is perpendicular to 2x + 3y = 4 and includes point (-3,-5) is

y = (3/2)x - 0.5

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1 year ago
How do I solve<br> This
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Step-by-step explanation:


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The director of health services is concerned about a possible flu outbreak at her college. She surveyed
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I believe the answer is A.

Step-by-step explanation:

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If you wanted to predict the value of the y variable when the x variable is 15, you would be _____ the data.
Natalija [7]
Extrapolation is the process by which a value is estimated by using a previously known set of numbers. Interpolation is where a value is estimated between two known values. In this case, if you wanted to predict the value of the y-variable when the x-variable is 15, you would be extrapolating beyond the known data-set. 
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Mr. Peate is building a rectangular fence around his house. The fence will be 32 feet long and 29 feet wide. What will be the pe
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Answer:

112

Step-by-step explanation:

32*2+29*2=112

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