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lys-0071 [83]
3 years ago
13

Factor the expression below.

Mathematics
1 answer:
Anna35 [415]3 years ago
4 0

Answer:

The answer is (2x-1)(2x+1)

Step-by-step explanation:

4x²-1 can be factorised using difference if two squares

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2.please I need help
Anarel [89]

9514 1404 393

Answer:

  1. 48°
  2. 60°
  3. 72°

Step-by-step explanation:

The sum of ratio units is 4+5+6 = 15, so each unit stands for 180°/15 = 12°. Multiplying the ratio units by 12° gives the angle values:

  4×12° : 5×12° : 6×12° = 48° : 60° : 72°

Angles 1 to 3 are 48°, 60°, 72°, respectively.

7 0
3 years ago
ABCD is a parallelogram. Which statements are true?
jekas [21]

Answer:

<u>Final Answer: Statements 1, 2 and 4 are correct.</u>

Step-by-step explanation:

Finding value of y:

2y + 3 = 15 => 2y = 12 => y = 6;

Finding value of x:

6x + 5 = 77 => 6x = 72 => x = 12;

Statement Number 1:

y² > 2x ? => 6² > 2 * 12 ? => 36 > 24 ?

Yes, 36 is bigger than 24, therefore statement one is correct.

Statement 2:

x = 2y ? => 12 = 2 * 6? => 12 = 12?

Yes, 12 is equal to 12. Statement 2 is correct.

Statement 3:

x + 2 = y + 10 ? => 12 + 2 = 6 + 10? => 14 = 16?

No, 14 is not equal to 16. Statement 3 is incorrect.

Statement 4:

y + 4 > x - 4 ? => 6 + 4 > 12 - 4 ? => 10 > 8 ?

Yes, 10 is bigger than 8. Statement 4 is correct.

<em>If this helped you please rate </em>

<u>Final Answer: Statements 1, 2 and 4 are correct.</u>

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5 0
3 years ago
12 decreased by some number h
Nimfa-mama [501]

Answer:

12 - h

Step-by-step explanation:

5 0
2 years ago
Can anybody help me with this
Vanyuwa [196]
It's not c so it mite be eather b or a I would say its b
8 0
3 years ago
Find the equation of the line that satisfies the given conditions.
Lemur [1.5K]

Answer:

y = -12/11 is the equation

Step-by-step explanation:

The equation of a line in the slope-intercept form is;

y = mx + b

if slope is 0

y = b

So what we have to do here is to substitute the value of y;

b = -12/11

Thus, the equation is;

y = -12/11

4 0
3 years ago
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