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vladimir1956 [14]

3 years ago

11

How can I write the mapping rule of

1 answer:

kvasek [131]3 years ago

3 0

Answer:Mapping Rule A mapping rule has the following form (x,y) → (x−7,y+5) and tells you that the x and y coordinates are translated to x−7 and y+5. Translation A translation is an example of a transformation that moves each point of a shape the same distance and in the same direction.

Step-by-step explanation:

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Please help with this

inysia [295]

Answer:

$S_{n}$ <em> = n² + 4n ; n = 11 </em>

Step-by-step explanation:

$S_{n}$ = $\frac{n}{2}$ [2 $a_{1}$ + (n - 1)d]

~~~~~~~~~

$a_{1}$ = 5

d = 7 - 5 = 2

$S_{n}$ = $\frac{n}{2}$ [ 2(5) + 2(n - 1)] = $\frac{n}{2}$ ( 8 + 2n ) = 4n + n²

$S_{n}$ <em> = n² + 4n</em>

n² + 4n = 165

n² + 4n - 165 = 0

(n + 15)(n - 11) = 0 ( n ≥ 0 ) ⇒ <em>n = 11</em>

6 0

3 years ago

Which of the following can be used to prove two lines crossed by a transversal are parallel? Question 11 options: Congruent Alte

beks73 [17]

Supplementary angles

3 0

3 years ago

Need help please What is the slope of the line?

Dmitry_Shevchenko [17]

<h2>Answer: m = 1</h2>

Step-by-step explanation: Goes up 1 and over 1.

(If you want y-intercept it is also 1)

4 0

3 years ago

What theorem shows that DEF ≅ GFE?

seraphim [82]

Answer:

propotional theorem

Step-by-step explanation:

Propotional theorem is the suitable theorem

7 0

2 years ago

Read 2 more answers

What is the measure of RST?<br><br>A. 72°<br>B. 324°<br>C. 162°<br>D. 81°<br>

larisa [96]

The answer is D 81 that the answer to the question

5 0

3 years ago