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3 years ago

I tried graphing this and I messed up can someone help me graph it?

Mathematics

1 answer:

IrinaVladis [17]3 years ago

7 0

For x=-y+3, you add y to both sides which gives you x+y=3 then you subtract x from both sides which gives you y=-x+3.

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Find the approximate perimeter of ABC plotted below.

maksim [4K]

Answer:

B. 21.2

Step-by-step explanation:

Perimeter of ∆ABC = AB + BC + AC

A(-4, 1)

B(-2, 3)

C(3, -4)

✔️Distance between A(-4, 1) and B(-2, 3):

$AB = \sqrt{(x_2 - x_1)^2 + (y_2 - y_1)^2}$

$AB = \sqrt{(-2 - (-4))^2 + (3 - 1)^2} = \sqrt{(2)^2 + (2)^2)}$

$AB = \sqrt{4 + 4}$

$AB = \sqrt{16}$

AB = 4 units

✔️Distance between B(-2, 3) and C(3, -4):

$BC = \sqrt{(x_2 - x_1)^2 + (y_2 - y_1)^2}$

$BC = \sqrt{(3 - (-2))^2 + (-4 - 3)^2} = \sqrt{(5)^2 + (-7)^2)}$

$BC = \sqrt{25 + 49}$

$BC = \sqrt{74}$

BC = 8.6 units (nearest tenth)

✔️Distance between A(-4, 1) and C(3, -4):

$AC = \sqrt{(x_2 - x_1)^2 + (y_2 - y_1)^2}$

$AC = \sqrt{(3 - (-4))^2 + (-4 - 1)^2} = \sqrt{(7)^2 + (-5)^2)}$

$AC = \sqrt{47 + 25}$

$AC = \sqrt{74}$

AC = 8.6 units (nearest tenth)

Perimeter of ∆ABC = 4 + 8.6 + 8.6 = 21.2 units

8 0

3 years ago

Following data, what would be the value of x?

kirill115 [55]

Answer:

The answer is C. 10

Step-by-step explanation:

7 0

2 years ago

Read 2 more answers

The product of 12 and y increased by 11

erastovalidia [21]

Product means to multiple 12y
increase that by 11 so +11
awnser: 12y+11

3 0

3 years ago

What is 20% of a $58 bill?

tekilochka [14]

20% of 58 = 11.60
so $11.60 is the answer

7 0

2 years ago

Read 2 more answers

10,25,35,45... What's the pattern?

Bumek [7]

Answer:

Step-by-step explanation:

The pattern is going by 15 because 10+15=25 and then continue going.

7 0

2 years ago