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andreev551 [17]
3 years ago
8

Factor the expression. x2 – 2x + 1 A. (x – 1)2 B. (x + 1)2 C. (x + 1)(x – 1)

Mathematics
1 answer:
Naddika [18.5K]3 years ago
5 0

ANSWER

A.

{(x - 1)}^{2}

EXPLANATION

The given expression is

{x}^{2}  - 2x + 1

We split the middle term to obtain,

{x}^{2}  - x - x + 1

Factor to obtain

x(x - 1) - 1(x - 1)

Factor further to get,

(x - 1)(x - 1)

This is the same as;

{(x - 1)}^{2}

The correct choice is A

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3ax-n/5=-4 solve for x
jasenka [17]
3ax-\frac{n}{5}=-4\ \ \ |Add\ \frac{n}{5}\ to\ both\ sides\\\\
3ax=-4+\frac{n}{5}\\\\
3ax=-\frac{20}{5}+\frac{n}{5}\\\\
3ax=\frac{-20+n}{5}\ \ \ |Divide\ by\ 3a\\\\
x=\frac{-20+n}{5}*\frac{1}{3a}\\\\
x=\frac{-20+n}{15a}\\\\Asnwer\ is\ x=\frac{-20+n}{15a}.
5 0
3 years ago
Points J and K are midpoints of the sides of triangle FGH. What is the value of y?
sashaice [31]
The answer 

the complement of the question is 

What is the value of y?

2
5
7
<span>8
</span>
According to the image, HKJ and FGH are similar, we can apply the theorem of thales
since GK and GF are parallels, so 

HK / HF = HJ / HG = KJ / GF and as we see on the figure, HK = HF /2, this implies  2HK =HF

HK / 2HK =  KJ / GF  it is equivalent to   1/2 = 2y+5 / 5y +3 

likewise, equivalent to  5y +3  = 4y +10, 5y-4y = 10-3, and y = 7


so the answer is 7




7 0
3 years ago
Read 2 more answers
Sally has to pay a deposit to rent a kayak of $50.00, then she is charged $7.00 per hour
solmaris [256]

Answer:

$92

Step-by-step explanation:

Since Sally plans to keep the kayak for 6 hours and it's $7 per hour we can multiply 6*7 to determine how much she will be charged for keeping the kayak.

6*7=$42

Now we add this to the original deposit of $50.

$50+$42=$92

4 0
2 years ago
-15-27 please answer again
Vesnalui [34]

Answer:

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Step-by-step explanation:

3 0
3 years ago
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icang [17]
Any singular matrix (a matrix with zero determinant) has no inverse.
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