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jeka57 [31]
3 years ago
8

Solve the system of linear equations using substitution 2y=2x+12y=-2-3​

Mathematics
1 answer:
velikii [3]3 years ago
6 0

Answer:

x=-11, y=-5. (-11, -5).

Step-by-step explanation:

2y=2x+12

y=-2-3

-----------------

simplify 2y=2x+12 into y=x+6

y=-5

------------------

-5=x+6

x=-5-6=-11

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Step-by-step explanation:

Using Heron's formula, we know that

Step 1: Calculate "s" (half of the triangles perimeter):

s =  (a+b+c)/2

Step 2: Then calculate the Area:

Herons formula A = sqrt( s(s-a)(s-b)(s-c) )

So S = 36/2 = 18

so \sqrt{18(18-13)(18-13)(18-10)}

So our final answer is the square root of 3600, which equals 60.

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3 years ago
What is the, in units, between (-5,8) and (4,-4) in the coordinate plane
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alexgriva [62]

Answer:

Verdadero

Step-by-step explanation:

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3 0
3 years ago
Explain why it is easier to graph an equation in slope intercept form than it is to graph an equation in standard form.
Allisa [31]
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hope this helps :)
8 0
3 years ago
Find the midpoint of the line segment joining the points (-5, 2) and (3. -8).
egoroff_w [7]

Hey there! :)

Answer:

(-1, -3)

Step-by-step explanation:

Use the midpoint formula to derive the coordinates of the midpoint:

(x_{m} ,y_{m} ) = (\frac{x_{1} +x_{2} }{2}, \frac{y_{1}+ y_{2}  }{2}  )

Plug in the coordinates given:

(\frac{-5+3 }{2}, \frac{2-8  }{2}  )

Simplify:

(\frac{-2 }{2}, \frac{-6 }{2}  )

(-1, -3) are the coordinates of the midpoint.

3 0
4 years ago
Read 2 more answers
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