1 year ago

The value of x² – 2yx + y² when x = 1, y = 2 is

Mathematics

2 answers:

Mrrafil [7]1 year ago

7 0

7
The process
1-2(2x1)+(2)^2

ki77a [65]1 year ago

5 0

$x^2 - 2xy +y^2 = (x-y)^2 = (1-2)^2 = (-1)^2 =1$

You might be interested in

Find the missing factor B that makes the equality true. 21y^4= (B) (7y^3)

adelina 88 [10]

Answer:

21y^4= B*7y^3

B=(21y^4)/(7y^3)

B=3y

8 0

2 years ago

How can I do 30-4 as a mixed number

sertanlavr [38]

30 over 4 = 15·2 over 2·2 = 15 over 2 = 1 + 7·2 over 2 = 7 1 over 2
Whole number =7
Fraction = 1 over 2

Hope this helps

6 0

2 years ago

Write the expression as a product of expressions.

scoray [572]

Answer:

$a^2(ab^{3}-b^{2}-c^{2})$

Step-by-step explanation:

Given

$a^{3}b^{3}-a^{2}b^{2}-a^{2}c^{2}$

Required

Factor

$a^{3}b^{3}-a^{2}b^{2}-a^{2}c^{2}$

Factor out $a^2$

$a^2(ab^{3}-b^{2}-c^{2})$

<em>The expression cannot be further factored</em>

8 0

2 years ago

A teacher takes a random sample of 100 students enrolled at Springfield High School and asks them their opinions about the food

Reil [10]

The answer is C. All students enrolled at Springfield high school.

8 0

2 years ago

What is the distance of the trip if Ken drives 7 hours at the speed of 65mph?

Mila [183]

Answer:

455 miles

Step-by-step explanation:

Distance = Speed x Time

X = 65 x 7

X= 455 miles

If you are going 65 miles PER hour, then to find the total distance traveled, you'd mutiply the amount of time you have with how fast you are going.

5 0

2 years ago

Read 2 more answers