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3 years ago

Which pairs of polygons are congruent?

Mathematics

2 answers:

NeX [460]3 years ago

8 0

Answer:

The answer is D. pairs 1 and 3

Nana76 [90]3 years ago

3 0

Answer:

the answer is D

Step-by-step explanation:

i just took test on edmentum and got 100% :)

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Find the value or measure. Round answers to the nearest tenth, as needed.

Leni [432]

Answer:

its 34

Step-by-step explanation:

its half of the center angles

3 0

2 years ago

Plz guys help me In 2 please

Doss [256]

Answer:

Step-by-step explanation:

OMG!!!!! why don't you just SAY YOU WANT a BLEEPING REFLECTION!!!

I had to search through a slew of your questions to get clues as to what to do.

To reflect over the x axis, just negate the y term and leave the x term as it is.

M becomes (2, -1)

N becomes (-3, -1)

P becomes (-1, -4)

7 0

2 years ago

Solve 2x+3y=2<br> 5x-y=-29<br> By elimination

Andreyy89

Answer:

$\huge\boxed{x=-5,\ y=4\to(-5,\ 4)}$

Step-by-step explanation:

$\left\{\begin{array}{ccc}2x+3y=2\\5x-y=-29&\text{multiply both sides by 3}\end{array}\right\\\\\underline{+\left\{\begin{array}{ccc}2x+3y=2\\15x-3y=-87\end{array}\right}\qquad\text{add both sides of the equations}\\.\qquad17x=-85\qquad\text{divide both sides by 17}\\.\qquad\dfrac{17x}{17}=\dfrac{-85}{17}\\.\qquad\boxed{x=-5}\\\\\text{Substitute it to the second equation:}\\\\5(-5)-y=-29\\\\-25-y=-29\qquad\text{add 25 to both sides}\\\\-25+25-y=-29+25\\\\-y=-4\qquad\text{change the signs}\\\\\boxed{y=4}$

5 0

3 years ago

What is arccos(−1) in Radians.

Free_Kalibri [48]

Answer:

π radians

Step-by-step explanation:

The arc cos(- 1) in degrees is 180° and 180° = π radians

7 0

3 years ago

Gabby buys a new purse for $33. The sales tax in her state is 6%. How much is the sales tax?

ankoles [38]

Answer:

$1.98

Step-by-step explanation:

6%=0.06

33*0.06=1.98

8 0

2 years ago