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topjm [15]
3 years ago
8

What is the solution to the system of equations graphed below?

Mathematics
2 answers:
zepelin [54]3 years ago
8 0
<span>y = 4x + 11 
y = -2x - 1 

4x + 11 = -2x - 1
4x + 2x = -1 - 11
6x = -12
x = -12/6
x = -2

</span>y = 4x + 11 
y = 4(-2) + 11 
y = -8 + 11 
y=3

<span>A. (-2,3)</span>
Crazy boy [7]3 years ago
4 0

Answer:

Option A. (-2, 3)

Step-by-step explanation:

The given equations graphed are Y = 4x + 11 and Y = -2x - 1

Now for the solution to the system of equations graphed Y values will be the same or a point where these lines intersect will be the solution.

Y = 4x + 11 = -2x - 1

4x + 2x = -1 - 11

6x = -12

x = -2

Now by putting x = -2 in the first equation.

Y = 4.(-2) + 11 = -8 + 11 = 3

The common point will be (-2, 3)

Therefore option A. (-2, 3) will be the answer.

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Step-by-step explanation:

Normal Probability Distribution

Problems of normal distributions can be solved using the z-score formula.

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This means that \mu = 27, \sigma = 14

The proportion of measurements that is less  than 13 is

This is the p-value of Z when X = 13, so:

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