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Ivahew [28]
3 years ago
6

Am I correct? (Perfect Square Form)

Mathematics
1 answer:
natka813 [3]3 years ago
8 0

Answer:

(x -3 )^2 = 10

Step-by-step explanation:

Given

x^2 - 6x - 1 = 0

Required: Express as a perfect square

x^2 - 6x - 1 = 0

Add 10 to both sides

x^2 - 6x - 1 +10= 0+10

x^2 - 6x +9= 10

Expand

x^2 - 3x  - 3x+9= 10

Factorize:

x(x - 3) - 3(x  - 3)= 10

Factorize:

(x -3 )(x - 3) = 10

(x -3 )^2 = 10

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Just curious, I want to see who can get this. tooooootttalllllly know it already
Aneli [31]

Answer:

yea that makes sense

It literally tells you how to do it

Is it some kind of proof tho? Like the math makes sense but like I've never heard of this thing.

3 0
3 years ago
Estimate by rounding the first number to the nearest ten and the second number to the nearest hundred. 19 Х 307 II ? Х ? = ?​
AnnyKZ [126]

Answer:

6,200

Step-by-step explanation:

19-20

307-310

310 x 20= 6,200 or 20 x 310= 6,200

8 0
3 years ago
Jeremy is cutting a board into pieces that are 1 2/3 feet long . The board is 14 1/4 feet long . How many 1 2/3 -feet long piece
Solnce55 [7]

Answer:

Total number of 1 2/3 feet long pieces that will be cut=8 pieces

Step-by-step explanation:

This can be expressed as;

Total length of the board=length per piece×number of pieces

where;

Total length of board=14 1/4 feet

Length per piece=1 2/3 feet

Number of pieces=n

Replacing;

14 1/4=1 2/3×n

(57/4)=(5/3)n

n=(57/4)×(3/5)=8.55

Total number of 1 2/3 feet long pieces that will be cut=8 pieces

7 0
3 years ago
Read 2 more answers
What is 37 1/4 x 24 help me
-BARSIC- [3]

37 and 1 / 4 = 37 * 6 = 74 * 3 = 222

5 0
2 years ago
Find the length of a side of a square if its área is 4/25 cm2
USPshnik [31]

Answer:

2/5cm or 0.4cm

Step-by-step explanation:

Area of square = Side^{2}

Thus, Side = \sqrt{Area}

= \sqrt{4/25}

= 2/5 cm = 0.4cm

4 0
3 years ago
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