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gladu [14]
3 years ago
5

Which graph represents a system of equations with no solution? On a coordinate plane, 2 lines intersect at one point. On a coord

inate plane, 2 lines are parallel to each other. On a coordinate plane, a line has a positive slope. On a coordinate plane, 2 lines will intersect at one point.
Mathematics
1 answer:
Dmitrij [34]3 years ago
7 0

Answer: On a coordinate plane, 2 lines are parallel to each other.

Step-by-step explanation:

The solution of the system of equations of two lines is the intersecting point where both lines intersect.

When two lines intersect at one point then, we say it has a unique solution.

When two lines coincide, then we say it has an infinite number of solutions.

But when two lines are parallel to each other then, we say it has no solution.

Hence, the graph represents a system of equations with no solution:

On a coordinate plane, 2 lines are parallel to each other.

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An engineering firm is hired to determine if certain waterways in Virginia are safe for fishing. Samples
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Answer:

(a) S = {FFF, FFN, FNN, FNF, NNN, NNF, NFF, NFN}

(b) S(E) = {FFF, FFN, FNF, NFF}

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Step-by-step explanation:

F = safe to fish

N = not safe to fish

number of rivers sampled = 3

(a) All of the possible outcomes obtained from the samples are listed in the sample space bellow:

S = {FFF, FFN, FNN, FNF, NNN, NNF, NFF, NFN}

(b) If at least two rivers are safe, the sample space for E is all of the events with two or three safe rivers:

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What is the equation of the graph below?
wlad13 [49]

<u>Answer:</u>

<u>y=cos(x+\pi )</u>

<u>Step-by-step explanation:</u>

From the graph, we can see that y = -1 when x  = 0.

So to check whether which of the given options is the equation of the given graph, we will set our calculator to the radian mode and then plug the value of x as 0.

1. y = cos(x + pi/2) = cos(0 + pi/2) = 0

2. y = cos(x+2pi) = cos(0+2pi) = 1

3. y = cos(x+pi/3) = cos(0+pi/3) = 1/2 = 0.5

4. y = cos(x+pi) = cos(0+pi) = -1


Therefore, the equation of this graph is y = cos(x+pi) = cos(0+pi) = -1.



5 0
3 years ago
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