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kupik [55]
3 years ago
7

What transformation is represented by the rule (x, y)→(−x, −y) ?

Mathematics
2 answers:
Ray Of Light [21]3 years ago
8 0

Answer:

Rotation of 180° about the origin.

Step-by-step explanation:

Given :  (x, y)→(−x, −y).

To find : What transformation is represented by the rule.

Solution : We have given that (x, y)→(−x, −y).

By the Rotation  rule of 180° about origin is  (x, y) → (−x, −y).

Coordinates of x change in to  -x  and coordinates of y change in to -y .

Example : is f(x) = ( 2 ,3) if we rotate it 180° about origin then f(x) = (-2,-3).

Therefore, rotation of 180° about the origin.

postnew [5]3 years ago
5 0
<span>rotation of 180° about the origin is correct. Changing the signs of both x and y rotates 180 degrees.
</span>
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A store sells pencils in small and large boxes. A large box has ten times as many pencils as a small box. Mr. Adachi buys 5 smal
MArishka [77]

Answer:

\boxed{5x+2y=250}

Step-by-step explanation:


Let x represent a small box of pencil and y represent a large box of pencil.


We were told that "A large box has ten times as many pencils as a small box". This statement gave the equation;


y=10x


If Mr. Adachi buys 5 small boxes and 2 large boxes, for a total of 250 pencils, then the equation Mr. Adachi set up was;


5x+2y=250

where a=5 and b=2 has no common factor other than 1.




8 0
3 years ago
Length of an equilateral triangle with side root3
Sever21 [200]

Answer:

√3/4(√3)^2=3√3/4

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5 0
3 years ago
Prove that 3:8 is equivalent to 12:32 using diagrams to support your answer.
gtnhenbr [62]
3      12
-   =   -
8      32 



12/32 divide by 4 on top and bottom = 3/8 (correct)

12/4 = 3
32/4 = 8

answer is 3/8

3        12 
-    =   --
8        32


hope this helps
3 0
4 years ago
Determine whether the number is a perfect square 47
Ghella [55]
Perfect squares are n² where n is a whole number
whole numbers are like 0,1,2,3,4,5,6, etc
no decimal or fractions

we can do that be looking at the perfect squares we know
2²=4
3²=9
4²=16
5²=25
6²=36
7²=49
8²=64
etc

so we see 47 is between 6² and 7²
therefor, for n²=47, n is between 6 and 7 and is therfore not a whole number
that makes 47 not a perfect square
7 0
4 years ago
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There are 24 cupcakes that I give to some scholars, I give each scholar 4 muffins. How many scholars received muffins?
motikmotik

Answer:

6 scholars

Step-by-step explanation:

24/4=6

7 0
4 years ago
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