3 years ago

Estimate the solution of system equation y = -2x-5 y = 2x-2

1 answer:

pogonyaev3 years ago

7 0

Answer:

(-3/4,-7/2)

Step-by-step explanation:

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xxMikexx [17]

Answer:

It's 1/2,-2 just did the math.

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3 years ago

Helen [10]

A) 8 possibilities
BBB
GBB, BGB, BBG
BGG, GBG, GGB
GGG

B) 0, 1, or 2 boys not 3
7/8

C) 2 or 3 girls
4/8=1/2

D) same sex
2/8=1/4

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1 year ago

Julli [10]

1.X=8 2.X= x=9
3. X=8

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3 years ago

Anit [1.1K]

6 miles that is rounded up

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3 years ago

Pani-rosa [81]

The vertices of the triangle are the points where any pair of lines intersect.

We start by setting up the system

$\begin{cases}y=-x+2\\y=2x-1 \end{cases} \iff -x+2=2x-1 \iff 3x=3 \iff x=1$

Using one of the two equations we can derive the correspondent y value:

$f(x)=-x+2 \implies f(1)=-1+2 = 1$

So, one vertex is (1, 1)

We choose the other two pairs of lines to find the other vertices:

$\begin{cases}y=-x+2\\y=x-2 \end{cases} \iff -x+2=x-2 \iff x=2 \implies y = 0$

$\begin{cases}y=x-2\\y=2x-1 \end{cases} \iff x-2=2x-1 \iff x=-1 \implies y=-3$

So, the three vertices are (1, 1), (2, 0), (-1, -3).

8 0

3 years ago