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borishaifa [10]
2 years ago
6

what is the answer of This The next day I got home from school and there was nothing baking in the oven nor any dishes in the si

nk. I went to my room and everything was back to “normal.” On my bed was a box with beautiful wrapping and a handmade bow. I opened the package, saving the bow. I hugged the gorgeous white angora sweater and whispered to the air, “Good-bye, Phyllis and Charlie, and thanks.”
Mathematics
1 answer:
Svetllana [295]2 years ago
7 0
Honestly i have no clue what ur talking abt
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The three lines given below form a triangle. Find the coordinates of the vertices of the triangle.
LenKa [72]

Answer:

  • (3, 5), (1, 2) and (5, 1)

Step-by-step explanation:

Make three systems with pairs of lines and solve them to work out the vertices.

1) <u>Line 1 and line 2</u>

  • -3x + 2y = 1
  • 2x + y = 11

<u>Double the second equation and subtract equations:</u>

  • -3x + 2y - 2(2x + y) = 1 - 2(11)
  • -3x - 4x = 1 - 22
  • -7x = - 21
  • x = 3

<u>Find y:</u>

  • 2*3 + y = 11
  • 6 + y = 11
  • y = 11 - 6
  • y = 5

The point is (3, 5)

2) <u>Line 1 and line 3</u>

  • -3x + 2y = 1
  • x + 4y = 9

<u>Triple the second equation and add up equations:</u>

  • -3x + 2y + 3(x + 4y) = 1 + 3(9)
  • 2y + 12y = 1 + 27
  • 14y = 28
  • y = 2

<u>Find x:</u>

  • x + 4*2 = 9
  • x + 8 = 9
  • x = 1

The point is (1, 2)

3) <u>Line 2 and line 3</u>

  • 2x + y = 11
  • x + 4y = 9

<u>Double the second equation and subtract the equations:</u>

  • 2x + y - 2(x + 4y) = 11 - 2(9)
  • y - 8y = 11 - 18
  • - 7y = - 7
  • y = 1

<u>Find x:</u>

  • x + 4*1 = 9
  • x + 4 = 9
  • x = 5

The point is (5, 1)

8 0
2 years ago
Determine whether 4 is a solution of the equation 9x+7=40.<br> Is 4 a​ solution?
Allisa [31]

Plug in 4 for x

9(4) + 7 = 40

36 + 7 = 40

43 ≠ 40

No, 4 is not a solution

hope this helps

5 0
3 years ago
Read 2 more answers
(2*1) +(6*1/1,000) write in standard form
Pani-rosa [81]
Multiply and add it up and you got ur answer
7 0
3 years ago
Rewrite the 4cm: 8km as a ratio in the form 1: n
Delicious77 [7]

Answer:

1 : 200000

Step-by-step explanation:

4 cm ⇒ 8 km

4 cm ⇒ 8 × 1000m

4cm ⇒ 8000m

4 cm ⇒ 8000 × 100 cm

4 cm ⇒ 800000cm

4 : 800000

\frac{ 4 \:\::\:\ 800000}{4}

1 : 200000

Therefore,

1 : n

1 : 200000

Hope this helps you.

Let me know if you have any other questions :-)

5 0
2 years ago
Read 2 more answers
XD XD XD I need help
IRINA_888 [86]

Answer:

27 cubic units

Step-by-step explanation:

Volume = length*width*height, or lwh. Since the lwh of this cube is 3*3*3, multiply to get 27.

6 0
3 years ago
Read 2 more answers
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