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Alex Ar [27]
4 years ago
7

Help pleeeaase

Mathematics
2 answers:
Vera_Pavlovna [14]4 years ago
7 0
5x + 2y = 16 ⇒ 5x + 2y = 16
  x + 3y = 12 ⇒ <u>5x + 15y = 180</u>
                                <u>-13y</u> = <u>-164</u>
                                 -13      -13
                                     y = 12 8/13
               5x + 2(12 8/13) = 16
                   5x + 25 3/13 = 16
                   <u>       -25 3/13   -25 3/13</u>
                                   <u>5x</u> = <u>-9 3/13</u>
                                    5          5
                                     x = -1 11/13
                               (x, y) = (-1 11/13, 12 8/13)
B. (3, 2)
Vedmedyk [2.9K]4 years ago
6 0
C. (2,3) The solution to the system of equations is where the two lines will intersect. looking at the graph that point is closest to C. (2,3)
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The second graph has a y-intercept and a constant rate of change.

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(-1,4)

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Two remote interior angles of a triangle measure 37° and 62°. What is the measure of the exterior angle associated with the remo
igomit [66]

The measure of the exterior angle is equal to the sum of the remote interior angles. Overall the sum of all the angles of a triangle is 180 degrees.

As given in the question,

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Option B  is correct- The exterior angle measures 99˚.

4 0
3 years ago
Need help with geometric distribution
Virty [35]
The image is kinda blurry, but from what I can gather, the notation in the attachment means

p_X[x_k]\equiv\mathbb P(X=k)=\begin{cases}(1-p)^{k-1}p&\text{for }k=1,2,\ldots\\0&\text{otherwise}\end{cases}

Then

a) p_X[x_k\le4]\equiv\mathbb P(X\le4)=\mathbb P(X=1)+\mathbb P(X=2)+\mathbb P(X=3)+\mathbb P(X=4)

b) p_X[1

c) p_X[1\le x_k\le2]\equiv\mathbb P(1\le X\le2)=\mathbb P(X=1)+\mathbb P(X=2)
5 0
3 years ago
A regular pentagon has side lengths of 10 cm and an
Fittoniya [83]

Answer: 172 square centimeters.

Step-by-step explanation:

Hi, to answer this question we have to apply the next formula:

Area of a pentagon (A) = 1/2× 5s × a

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Feel free to ask for more if needed or if you did not understand something.

7 0
3 years ago
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