3 years ago

What is the solution to the system of equations?

1 answer:

3 0

Answer:

A solution to a system of equations means the point must work in both equations in the system. So, we test the point in both equations. It must be a solution for both to be a solution to the system.

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8. Find the congruence transformation that maps ∆ABC to ∆A’B’C’. Explain your reasoning

puteri [66]

The transformation is a reflection on the y-axis.

If we take the y-axis as the mirror line as shown in the diagram below, we can see that the distance of vertices A, B, and C to the mirror line are equals to the distance of vertices A', B' and C' to the mirror line.

6 0

3 years ago

Hep with this please

pishuonlain [190]

Answer:

x = 23

Step-by-step explanation:

6x+19+x = 180

7x = 180 - 19

7x = 161

x = 161/7

x = 23

6 0

3 years ago

Solve this system of equations- x=2y-8 and 4x+y=13

rjkz [21]

(2,5)
thats what i got

8 0

4 years ago

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Write each equation in slope-intercept form of the equation of a line. Underline the slope and circle the y-intercept in each eq

Alik [6]

Answer:

see below:

Step-by-step explanation:

2y–6=0

a. slope intercept form using y = mx + b

y = 6/2

y = 3

b. slope: use the slope intercept form: y = mx + b

slope = m = 0

c. y-intercept = (0,3)

7 0

3 years ago

Can someone please help me with math.

Inessa05 [86]

4- 20

I created an equation for this one:

4x+x=100

4x= four times the amount of the other number
x= the number
combine like terms

5x=100

divide by 5

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5. One pretzel costs $3

Create an equation:

2s+p=7
4s+3p=17

Mulitply 2s+p=7 by -2 so you can use elimination.

-4s-2p=-14
4s+3p=17

Combine equations

p=3

8 0

3 years ago

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