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harkovskaia [24]
3 years ago
8

△QRS is rotated about point P to △Q′R′S′ .

Mathematics
1 answer:
swat323 years ago
6 0

A rotation is a transformation that preserves figure shape, figure sizes, angles and lengths.

Therefore,

  • option A is false, because rotation preserves sizes;
  • option B is false, because rotation doesn't change the figure size;
  • option C is true, because rotation preserves figure angles;
  • option D is true, because rotation preserves lenghts of segments.

Answer: option C and D.

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-7÷x=19<br><br>need your help​
RSB [31]

Answer:

the answer is 26

Step-by-step explanation:

you add 7 to -7 and 19. the positive and negative 7 cancels each other out. them you add 19 and 7 which is 26. that means x is 26.

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8 0
3 years ago
Find f(-2) f(x)=9x^2-5x+2
borishaifa [10]

Find f(-2) f(x)=9x^2-5x+2


f(-2) means replace x in the equation with -2:


f(-2)=9(-2)^2-5(-2)+2

= 9(4) +10 + 2

= 36 +10 + 2

= 48


f(-2) = 48



4 0
3 years ago
(x ÷ 8) + 23 – 4 = 36
kifflom [539]

Answer:

(x ÷ 8) + 23 – 4 = 36

x = 136

Step-by-step explanation:

3 0
2 years ago
One leg of a right triangle measures 6 inches. The remaining leg measures 6√3 inches. What is the measure of the angle opposite
Simora [160]
30°
Here's why:
Using the well-known Pythagorian theorem we can reckon how long the hypotenuse is:
c^2=6^2+36*3 -> c=12
Knowing that sin(a)=a/c=6/12=0.5 the measure of the angle in degrees is 30°
Hope could help :)
7 0
3 years ago
Read 2 more answers
Could a circle be circumscribed around this?​
djyliett [7]

Answer:

no

Step-by-step explanation:

4 0
2 years ago
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