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Nat2105 [25]
3 years ago
12

6300 and 530 what is the value of 3?

Mathematics
1 answer:
zaharov [31]3 years ago
5 0
In 6300 it is 300 or hundreds, in 530 it is 30 or tens. 
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Factor 9y2 - 12y + 4.<br><br> (3 y - 2)(3 y + 2)<br> (3 y - 4)( y + 1)<br> (3 y - 2) 2
lozanna [386]

Answer:

(y - 2)²

Step-by-step explanation:

9y² - 12y + 4 ← is a perfect square of the form

(ax - b)² = a²x² - 2abx + b²

Compare like terms with 9y² - 12y + 4, thus

a² = 9 ⇒ a = 3

b² = 4 ⇒ b = 2 and

- 2ab = - 2 × 3 × 2 = - 12

Thus

9y² - 12y + 4 = (3y - 2)²

8 0
3 years ago
-1 + 4x=3x +3<br> Solve for x ?
docker41 [41]

Answer:

x = 4

Step-by-step explanation:

1. Regroup terms.

4x  - 1 = 3x + 3

2. Add 1 to both sides.

4x = 3x + 3 + 1

3. Simplify 3x + 3 + 1 to 3x + 4.

4x = 3x + 4

4. Subtrect 3x from both sides.

4x - 3x = 4

5. Simplify 4x - 3x to x.

x = 4

Therefor, the answer is, x = 4.

5 0
3 years ago
9 boys can paint a basketball court in 3 hours how long should 1 boy take working at the same rate​
GaryK [48]
1 boy can work about 0.3 hours
i think that’s the answer,but good luck
7 0
3 years ago
PLEASE HELP ASAP!!!!!
Kitty [74]
The total would be 180 degrees because angles on a straight line would always add up to 180.
(3x+31)+(2x-6)=180
5x+25=180
     -25   -25
5x=155
/5     /5
x=31
5 0
3 years ago
Read 2 more answers
2 +4 +5+400+888+953<br> what is it
Zolol [24]
The answer is 2,254!
7 0
3 years ago
Read 2 more answers
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