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Rama09 [41]
3 years ago
9

Ratio equivalent to 2:1

Mathematics
1 answer:
Nataliya [291]3 years ago
6 0

Answer:

4:2

8:4

12:6

16:8

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1. describe a sequence of transformations that maps ∆ ABC to ∆ A’ B’ C’.
FinnZ [79.3K]

Answer:

See below

Step-by-step explanation:

1. First (x+10,y), -> (x,-y)

You add +10 to the x of each point moving the triangle horizontally and then you reflect it across the x-axys.

2.

a) Original point (5,3) -> (x+5,-y )

(5+5, 3(-1)) = (10, -3)

b) Original point (-2,7) -> (x+5, -y)

(-2+5, 7(-1)) = (3, -7)

3. The rule for counterclockwise rotation 90° is (x,y) -> (-y,x )

P = (1, -1) -> (1, 1)

Q = (3, -2) -> (2, 3)

R = (3, -4) -> (4, 3)

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3 years ago
Which part of the angle is the vertex? <br>​
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Answer:

the answer is point Y since it is in the middle of the line between X and Z

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Need help with this problem
Aleksandr [31]

4(2 - 5x) = 6 - 3(1 - 3x) \\ 8 -  20x = 3(1  - 3x) \\ 8 - 20x = 3  +  9x \\ subtract \: 9x \: from \: bth \: sides \\  8 - 29x = 3 \\ subtract \: 8 \: from \: both \: sides \\  - 29x =  - 5 \\ divide \:  - 29 \: both \: sides \\ x =  \frac{5}{29}
answer is C
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Solve each inequality. Then compare the solutions.<br><br> 3x +4&gt; 16<br> - 2x + 19&lt; 11
Makovka662 [10]

Answer:

3x + 4 > 16 \\ 3x > 16 - 4 \\  \frac{3x}{3}  >  \frac{12}{3}  \\ x > 4 \\  \\  - 2x + 19 < 11 \\  - 2x < 11 - 19 \\  - 2x <  - 8 \\  \frac{ - 2x}{ - 2}  >   \frac{ - 8}{   - 2}  \\ x > 4 \\  \\ comparing \\ 4 < x > 4

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What are the similarities between the two lines
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The first blank is proportional because <span>two quantities is one in which the two quantities vary directly with one and other. </span>If<span> one item is doubled, the other, related item is also doubled. Because of this, it is also called a direct variation. </span>
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3 years ago
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