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Natasha2012 [34]
3 years ago
13

△ PQR is rotated by 180° in a counterclockwise direction about the origin to obtain △ P′Q′R′. What are the coordinates of △ P′Q′

R′?

Mathematics
2 answers:
Yuri [45]3 years ago
8 0

Answer:

it is A

Step-by-step explanation:

zhannawk [14.2K]3 years ago
5 0
The answer is B because it would end up in the 4th quadrant and B has the coordinates of the figure in the fourth quadrant.
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Help with supplementary angles ?​
hoa [83]

Answer:

Two angles are called supplementary when their measures add up to 180 degrees.

7 0
3 years ago
What is the solution to the equation below? Round your answer to two
tester [92]

Answer:

Answer:.1.77

Step-by-step explanation:

e^x = 5.9

Take the natural logarithm of both sides

x = ln (59/10)

x = 1.77

(found this)

3 0
3 years ago
In a cross-country run organized by a school, the students who completed the run
coldgirl [10]

280 students have a total of 560 points

There 60 more boys(x+60) complete than girls(x)

2*(x+60)+2*x= 560

number of girl =x =110  

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6 0
3 years ago
If d , e, and f are midpoints of the sides of ABC, find the perimeter of ABC.
ehidna [41]

Answer:

Perimeter of the ΔDEF = 10.6 cm

Step-by-step explanation:

The given question is incomplete; here is the complete question with attachment enclosed with the answer.

D, E, and F are the midpoints of the sides AB, BC, and CA respectively. If AB = 8 cm, BC = 7.2 cm and AC = 6 cm, then find the perimeter of ΔDEF.

By the midpoint theorem of the triangle,

Since D, E, F are the midpoints of the sides AB, BC and CA respectively.

Therefore, DF ║ BC and FD=\frac{1}{2}\times(BC)

FD = \frac{7.2}{2}

     = 3.6

Similarly, FE=\frac{1}{2}\times(AB)

FE=\frac{8}{2}

FE = 4 cm

And DE=\frac{AC}{2}

DE = \frac{6}{2}

     = 3 cm

Now perimeter of ΔDEF = DE + EF + FD

= 3 + 4+ 3.6

= 10.6 cm

Perimeter of the ΔDEF is 10.6 cm.

7 0
4 years ago
-10k+16-7(5k+8)- Simplified
Lera25 [3.4K]

Answer:

-45k+72

Step-by-step explanation:

-10k +5k= -5k

16-7(-5k+8)

9(-5k+8)

-45k+72

7 0
3 years ago
Read 2 more answers
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