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Fudgin [204]
2 years ago
10

Factorise the following, using the identity a2 – 2ab + b2 = (a – b)2

Mathematics
1 answer:
Rasek [7]2 years ago
8 0

The factorisation of the given expressions is as follows;

  • a) p²y²– 2py + 1 = (py -1)²
  • b) a²y² -2aby +b² = (ay - b)²

<h3>Factorization using identities</h3>

The given identity is;

  • a²– 2ab + b² = (a – b)²

From the given identity, we can conclude that;

In the expression (a);

  • py represents a in the identity and 1 represents b in the identity.

In the expression (b);

  • ay represents a in the identity and b represents b in the identity.

Hence, the factorised expressions are as represented above.

Read more on factorisation;

brainly.com/question/24371127

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If it took mark 45 minutes to get to work and 35 minutes to get home. How long did she spend traveling to and from work?
Ann [662]

Answer: 80 Minutes

Step-by-step explanation:

45 minutes to work plus 35 minutes to get home is a total of 80 minutes

6 0
3 years ago
Read 2 more answers
Which of the following points is NOT visible if the viewing window of a graphing utility is set at:
Arte-miy333 [17]

The points D(-7, 5), E(-8, -3), and H(10, -5) will not be visible the answers are D, E, and H.

<h3>What is graphing utility?</h3>

A graphing calculator is a portable computer that can plot graphs, solve multiple equations at once, and carry out other variable-related activities.

We have points shown in the coordinate plane.

As the window of a graphing utility is set at:

X(min) : -6

X(max): 6

Y(min) : -6

Y(max) : 6

The points out of 6 will not be visible.

We can draw a square as shown in the attached picture.

The points D(-7, 5), E(-8, -3), and H(10, -5) will not be visible.

Thus, the points D(-7, 5), E(-8, -3), and H(10, -5) will not be visible the answers are D, E, and H.

Learn more about the graphing utility here:

brainly.com/question/1549068

#SPJ1

3 0
1 year ago
Can someone please help me
Sedbober [7]
Sum of 2 and 8 is (2+8)
Then multiply by 5 will give us answer a. (2+8)x5
4 0
3 years ago
Read 2 more answers
A company can send a maximum of 40 workers to complete a
rewona [7]

Answer:

20

Step-by-step explanation:

For the sake of the problem, let's make female workers "x" and male workers "y".

x+y<40       This equation shows that the total number of workers has a max of 40.

30x+20y<1,000      This equation shows that the total cost the manager pays ($30 to each woman, $20 to each man) has a max of $1,000.  

Now you can solve for x and y.

X+y<40

-y       -y

X<-y+40

Substitute -y+40 in for X in the second equation

30(-y+40)+20y<1,000      

-30y+1200+20y<1,000         Distribute

-10y+1,200<1,000      Combine like terms

-10y<-200                   Subtract 1,200

y>20                Divide by -10; flip the sign

Since y>20, and y=male workers, you now know that the minimum

number of male workers he should send is 20

4 0
2 years ago
What the answer to this?
Alex787 [66]

Out of the four choices, it would be A

8 0
3 years ago
Read 2 more answers
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