Help please help please help please

Mathematics

2 answers:

mestny [16]3 years ago

4 0

Answer:

i wish i could help but im confused also

Step-by-step explanation:

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Rashid [163]3 years ago

3 0

Answer:

Step-by-step explanation:

can you help me pleaseee

A rectangle has vertices (–1, 1), (–4, 1), (–1, 3), and (–4, 3). If the rectangle is reflected over the y-axis, what algebraic rule can be used to find each of the new vertices?

Select one:

(x,y)→(−x,−y)

(x,y)→(–y,–x)

(x,y)→(y,−x)

(x,y)→(−x,y)

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Can somebody help me make sure this is correct

My name is Ann [436]

$x\in\{-3;-2.2;-2;0;1.5;3;4\}\\\\-3\leq x\leq4$

x = -3 → -3 = -3 and -3 < 4 therefore -3 ≤ -3 ≤ 4
x = -2.2 → -3 < -2.2 and -2.2 < 4 therefore -3 ≤ -2.2 ≤ 4
x = -2 → -3 < -2 and -2 < 4 therefore -3 ≤ -2 ≤ 4
x = 0 → -3 < 0 and 0 < 4 therefore -3 ≤ 0 ≤ 4
x = 1.5 → -3 < 1.5 and 1.5 < 4 therefore -3 ≤ 1.5 ≤ 4
x = 3 → -3 < 3 and 3 < 4 th≤erefore -3 ≤ 3 ≤ 4
x = 4 → -3 < 4 and 4 = 4 therefore -3 ≤ 4 ≤ 4

3 0

3 years ago

Rotate RST 90° counterclockwise around the origin.<br>

Nostrana [21]

The image of the triangle RST when rotated 90° counterclockwise around the origin is (-15,5), (-15,15) and (-5,10)

<h3>
How to rotate the triangle?</h3>

The coordinates of RST are given as:

R = (5,15)

S = (15,15)

T = (10,5)

The rule of 90° counterclockwise around the origin is:

(x,y) -> (-y,x)