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kotykmax [81]
3 years ago
8

Samantha buys a shirt that costs $28.50. She uses a

Mathematics
1 answer:
Gre4nikov [31]3 years ago
7 0
Samantha buys a shirt that costs $28.50. She uses a
30% coupon. What will Samantha pay for the shirt?
ANSWER IS 8.55
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Harlamova29_29 [7]
I don’t know honestly

Ala spbak
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Abdul used a probability simulator to roll a 6-sided number cube and flip a coin 100 times. The results are shown in the tables
Sergio039 [100]
Answer

What is this type of math

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2 years ago
Simple answers please
charle [14.2K]

Answer:

  • A'(4, -4)
  • B'(0, -3)
  • C'(2, -1)
  • D'(3, -2)

Step-by-step explanation:

The coordinate transformation for a 270° clockwise rotation is the same as for a 90° counterclockwise rotation:

  (x, y) ⇒ (-y, x)

The rotated points are ...

  A(-4, -4) ⇒ A'(4, -4)

  B(-3, 0) ⇒ B'(0, -3)

  C(-1, -2) ⇒ C'(2, -1)

  D(-2, -3) ⇒ D'(3, -2)

_____

<em>Additional comment</em>

To derive and/or remember these transformations, it might be useful to consider where a point came from when it ends up on the x- or y-axis.

A point must have come from the -y axis if rotating it 270° CW makes it end up on the +x-axis. A point must have come from the x-axis if rotating it 270° makes it end up on the +y axis. That is why we write ...

  (x, y) ⇒ (-y, x) . . . . . . the new x came from -y; the new y came from x

4 0
2 years ago
PLEASE HELP<br><br><br> What is the value of x?
AleksAgata [21]
The angles inside a triangle add up to 180°
The 3rd angle is supplementary to (6x+1)°
Supplementary means they make a straight line (i.e 180°)

1st angle = 79°
2nd angle = (2x+10)°
3rd angle = 180° - (6x+1)°

180 = 79 + (2x+10) + 180 - (6x+1)
180 = 79 + 2x + 10 + 180 - 6x - 1
combine like terms
180 - 180 - 79 - 10 + 1 = 2x - 6x
-88 = -4x
-88/-4 = x
22 = x
3 0
3 years ago
Combine any like terms in the expression. If there are no like terms, rewrite the expression.
Alona [7]

Answer:

2x+x

Step-by-step explanation:

6 0
3 years ago
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