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Vitek1552 [10]
3 years ago
11

A . expression A

Mathematics
2 answers:
yan [13]3 years ago
4 0

Answer:

answer choice B.

Step-by-step explanation:

Likurg_2 [28]3 years ago
3 0
B hope this helps. :)
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a school has 2 computer labs.Each lab has 30 computers. A total of 6 computers in the school are not working. which experission
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Answer:

30(2)-6

Step-by-step explanation:

30 computers in 2 labs minus the 6 broken computers.

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Which shape shown has only ONE line of symmetry? A) circle B) rectangle C) isosceles trapezoid D) equilateral triangle
Elena L [17]
Triangle is the final answer
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rotation of 90 degrees counterclockwise about the origin, point O, then a reflection across the x-axis reflection across the y-a
SpyIntel [72]

Answer:

The point O can be (x,y)  or (-x,y) or (-x,-y) or ( x,-y) reason being that you haven't given point O lies in which quadrant.

Rotation through 90° counter clockwise

(x,y) = (-y,x)

(-x,y)=(-y,-x)

(-x,-y)=(y,-x)

(x,-y) =(y,x)

Then Reflection across X axis has taken place.

(-y,x) = (-y,-x)

(-y,-x)=(-y,x)

(y,-x)=(y,x)

(y,x)=(y,-x)

Then a reflection across the y-axis has taken place.

(-y,-x)=(y,-x)

(-y,x) = (y,x)

(y,x) =(-y,x)

(y,-x)=(-y,-x)

Then a translation a units to the right and b units up has taken place.

(y,-x)=(y+a,-x+b)

(y,x) =(y+a, x+b)

(-y,x) =(-y+a,x+b)

(-y,-x)=(-y+a,-x+b)

Then a rotation of 180 degrees counterclockwise about the origin has taken place.

(y+a,-x+b)=[-(y+a),-(-x+b)]

(y+a, x+b)=[- (y+a), -(x+b)]

(-y+a,x+b)=[-(-y+a),-(x+b)]

(-y+a,-x+b) =[-(-y+a),-(-x+b)]

Now Again a reflection across the Y axis has taken place.

[-(y+a),-(-x+b)]=[(y+a),-(-x+b)]

[-(y+a),-(x+b)]=[(y+a),-(-x+b)]

[-(-y+a),-(x+b)]=[(-y+a),-(x+b)]

[-(-y+a),-(-x+b)]=[(-y+a),-(-x+b)]

Totally depends on value of a and b on which quadrant these point lies.



7 0
3 years ago
3/8, -2 , 34% , -4/9 from least to greatest
Whitepunk [10]
-2, -4/9 , 34%, 3/8. This is your answer
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There are 24 pencils in a box. each student in a class gets 6 pencils. there are no pencils left over. how many students are in
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24/6=4 students

Pencils divided by how many each receive
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