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mel-nik [20]
3 years ago
5

If two angles of a triangle each measure 54 what is the measure of the third angle

Mathematics
1 answer:
galben [10]3 years ago
6 0
Well what is 180-54-54 then you will have your answer because any triangle or straight line always equals 180
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What is the distance between points J and K?
BigorU [14]

-8 to 0 = 8

0 to 4 = 4

8+4 = 12

 distance is 12

7 0
3 years ago
5. A boy gets 29 marks out of 50 in his maths ex-<br> am. What percentage did he score?
Alecsey [184]

Answer:

58%

Step-by-step explanation:

29 / 50  * 100% = 58 %    ( rather pathetic score, huh?)

7 0
1 year ago
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The first step for deriving the quadratic formula from the quadratic equation, 0 = ax2 + bx + c, is shown. Step 1: –c = ax2 + bx
Goshia [24]

Answer:

Subtract c from each side, using the subtraction property of equality

Step-by-step explanation:

0 = ax^2 + bx + c

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9
Mnenie [13.5K]

Answer: n = 75; p = 30

Explanation: (a) 5p + 4n = 450 where p is for pen and n is for notebook.

(b) 10p + 3n = 525

We can use the elimination method to solve these two equations.

1. Multiply the first equation by 2 so that 10p will cancel out:

2(5p + 4n = 450)

- 10p + 3p = 525

10p + 8n = 900

- 10 p + 3n = 525

5n = 375

2. Divide by 5 to get n alone: n = 75

3. Plug 75 into the first equation: 5p + 4(75) = 450

5p + 300 = 450

4. Subtract 300 from 450: 5p = 150

5. Divide by 5 to get p alone: p = 30

We can test if this is correct by plugging our answers into the second equation:

10(30) + 3(75) = 525

300 + 225 = 525

525 = 525

This is a true statement, which means that our answers are correct.

6 0
3 years ago
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Answer:

C.

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4 0
2 years ago
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