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sladkih [1.3K]
3 years ago
12

PQR is right-angled triangle.calculate the soze of the angle marked correct.

Mathematics
1 answer:
OleMash [197]3 years ago
7 0
The correct answer is 40.3 degrees
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Please help!!! ill mark brainliest
Vesnalui [34]

3x - 1 = 3x + 1  

subtract 3x from both sides to get (-1 = 1).  This is a false statement so it is: CONTRADICTION

************************************************

4x - 11 = 7

add 11 to both sides and then divide both sides by 4 to get (x = \frac{18}{4} = \frac{9}{2}).  This statement is true only when x = \frac{9}{2} so it is: CONDITIONAL

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2 - 8x = 2 - 8x

add 8x to both sides to get (2 = 2).  This is a true statement so it is: IDENTITY

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x + 1 = -x + 4

add x to both sides, subtract 1 from both sides, and divide both sides by 2 to get  (x = \frac{3}{2} ). This statement is true only when x = \frac{3}{2} so it is: CONDITIONAL

Answer: B, A, C, A

6 0
3 years ago
Sissy wants to enlarge a picture of a princess so that she can put it on the wall in her daughter’s room. What will be the area
KATRIN_1 [288]

Answer:

The answer is D on edge.

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
true or false: when multiplying radicals, you multiply the radicands together and the numbers outside the radicals together
Dmitrij [34]
You can only multiply numbers that are inside the radical symbols
7 0
3 years ago
The following diagram shows parallel lines cut be a transversal. What is the measure of Angle 2?
Crank
2x + 100 = 5x + 55
3x = 45
x = 15

2(15) + 100 = 130

180-130 = 50

so angle 2 is 50 degrees

3 0
3 years ago
Use distributive property to clear parentheses-(3x-4y+5z)=
Vadim26 [7]

Answer:

-3x + 4y -5z

Step-by-step explanation:

-3x -(-4y) -5z

-3x+4y-5z

6 0
3 years ago
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