3 years ago

What transformations carry a square onto itself?

Mathematics

1 answer:

GaryK [48]3 years ago

7 0

Answer:

rotational symmetry; the rotation of 180 degrees around the point (1, 1) maps the parallelogram onto itself.

Step-by-step explanation:

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In a family, each brother has as many sisters as brothers, but each sister has twice as many brothers as she has sisters. How ma

daser333 [38]

Answer:

4 brothers and 3 sisters

Step-by-step explanation:

Let x be the number of brothers and y be the number of sisters in the family.

1. Each brother has x-1 brothers and y sisters. If each brother has as many sisters as brothers, then

$x-1=y.$

2. Each sister has y-1 sisters and x brothers. If each sister has twice as many brothers as she has sisters, then

$2(y-1)=x.$

3. Solve the system of two equations:

$\left\{\begin{array}{l}x-1=y\\ \\2(y-1)=x\end{array}\right.\Rightarrow 2(y-1)-1=y,\\ \\2y-2-1=y,\\ \\2y-y=2+1,\\ \\y=3.$

Then

$x=y+1=3+1=4.$

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3 years ago

Please answer !!!!!!!! Will mark brainliest whoever answers correctly !!!!!!!!

kirill115 [55]

Answer:

g(q) = 5/8q

Step-by-step explanation:

-7q + 12r = 3q - 4r

Add 4r to each side

-7q + 12r+4r = 3q - 4r+4r

-7q +16r = 3q

Add 7q to each side

-7q+7q +16r = 3q+7q

16r = 10q

Divide each side by 16

16r/16 = 10q/16

r = 5q/8

g(q) = 5/8q

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3 years ago

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Elanso [62]

It’s c because when the number of simply it gets u that

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2 years ago

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Can someone help me with my 04.05 Graphing Exponential Functions assignment

True [87]

Answer:

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Step-by-step explanation:

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2 years ago

Which statement is an example of the Identify Property of Multiplication

andreev551 [17]

Answer:

7x7 + 49 so 7+7+7+7+7+7+7

Step-by-step explanation:

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2 years ago